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Publications tagged "Whole genome"

Blog: cuteSV - a powerful tool to uncover the full spectrum of genomic structural variants

In this blog, Tao Jiang describes his work on the development of the structural variant (SV) caller cuteSV.

A deep-sequencing workflow for the fast and efficient generation of high-quality African swine fever virus whole-genome sequences

African swine fever (ASF) is a severe disease of suids caused by African swine fever virus (ASFV). Its dsDNA genome (170–194 kbp) is scattered with homopolymers and repeats as well as inverted-termi...

Complete genome sequence of a virulent African swine fever virus from a domestic pig in Ukraine

Here, we report the complete genome sequence of an African swine fever (ASF) virus (ASFV/Kyiv/2016/131) isolated from the spleen of a domestic pig in Ukraine with a lethal case of African swine fe...

From telomere to telomere: the transcriptional and epigenetic state of human repeat elements

Mobile elements and highly repetitive genomic regions are potent sources of lineage-specific genomic innovation and fingerprint individual genomes. Comprehensive analyses of large, composite or arra...

Single nuclei transcriptome of the Lesser Duckweed Lemna minuta reveals cell trajectories for an entire plant

The ability to trace every cell in some model organisms has led to the fundamental understanding of development and cellular function. However, in plants the complexity of cell number, organ size an...

A high-throughput multiplexing and selection strategy to complete bacterial genomes

Background Bacterial whole-genome sequencing based on short-read sequencing data often results in a draft assembly formed by contiguous sequences. The introduction of long-read sequencing technologi...

Complete genomes of clade G6 Saccharibacteria suggest a divergent ecological niche and lifestyle

Saccharibacteria (formerly TM7) have reduced genomes, a small size, and appear to have a parasitic lifestyle dependent on a bacterial host. Although there are at least 6 major clades of Saccharibact...

Chromosome specific telomere lengths and the minimal functional telomere revealed by nanopore sequencing

We developed a method to tag telomeres and measure telomere length by nanopore sequencing in the yeast S. cerevisiae. Nanopore allows long read sequencing through the telomere, subtelomere and into ...

MinION nanopore sequencing and assembly of a complete human papillomavirus genome

Background The MinION sequencer belongs to the third generation of sequencing technology that allows for the generation of ultra-long reads, representing a potentially more effective approach to ch...

Molecular characterization of multidrug-resistant Yersinia enterocolitica from foodborne outbreaks in Sweden

The foodborne pathogen Yersinia enterocolitica causes gastrointestinal infections worldwide. In the spring of 2019, the Swedish Public Health Agency and Statens Serum Institut in Denmark independent...

Whole human genome 5'-mC methylation analysis using long read nanopore sequencing

DNA methylation is a type of epigenetic modification that affects gene expression regulation and is associated with several human diseases. Microarray and short read sequencing technologies are ofte...

Coexistence of two bla CTX-M-14 genes in a bla NDM-5-carrying multidrug-resistant Escherichia coli strain recovered from a bloodstream infection in China

Objectives The emergence of carbapenem-resistant Enterobacteriaceae has become a serious public-health threat. Here we report the complete genome sequence of a multidrug-resistant (MDR) Escherichia...

Genomic comparison of eight closed genomes of multidrug resistant Salmonella enterica strains isolated from broiler farms and processing plants in Trinidad and Tobago

Salmonella enterica is an important foodborne pathogen worldwide. We used long and short read sequencing to close genomes of eight multidrug resistant (MDR) Salmonella enterica strains, belonging to...

Genomic and phylogenetic analysis of a multidrug-resistant Burkholderia contaminans strain isolated from a patient with ocular infection

Objectives The genus Burkholderia comprises rod-shaped, non-spore-forming, obligately aerobic Gram-negative bacteria that is found across diverse ecological niches. Burkholderia contaminans, an eme...

DNA methylation calling tools for Oxford Nanopore sequencing: a survey and human epigenome-wide evaluation

Background Nanopore long-read sequencing technology greatly expands the capacity of long-range single-molecule DNA-modification detection. A growing number of analytical tools have been actively dev...

The Lithuanian reference genome LT1 - a human de novo genome

We present LT1, the first high-quality human reference genome from the Baltic States. LT1 is a female de novo human reference genome assembly constructed using 57× of ultra-long nanopore reads and 4...

Polishing the Oxford Nanopore long-read assemblies of bacterial pathogens with Illumina short reads to improve genomic analyses

Oxford Nanopore sequencing has been widely used to achieve complete genomes of bacterial pathogens. However, the error rates of Oxford Nanopore long reads are high. Various polishing algorithms usin...

Uncovering transposable element variants and their potential adaptive impact in urban populations of the malaria vector Anopheles coluzzii

Background Anopheles coluzzii is one of the primary vectors of human malaria in sub-Saharan Africa. Recently, it has colonized the main cities of Central Africa threatening vector control programs. ...

Contrasting a reference cranberry genome to a crop wild relative provides insights into adaptation, domestication, and breeding

Cranberry (Vaccinium macrocarpon) is a member of the Heath family (Ericaceae) and is a temperate low-growing woody perennial native to North America that is both economically important and has signi...

The draft chromosome-level genome assembly of tetraploid ground cherry (Prunus fruticosa Pall.) from long reads

Background Cherries are stone fruits and belong to the economically important plant family of Rosaceae with worldwide cultivation of different species. The ground cherry, Prunus fruticosa Pall. is o...

A reference-quality, fully annotated genome from a Puerto Rican individual

Until 2019, the human genome was available in only one fully-annotated version, which was the result of 18 years of continuous improvement and revision. Despite dramatic improvements in sequencing t...

Epigenetic patterns in a complete human genome

The completion of the first telomere-to-telomere human genome, T2T-CHM13, enables exploration of the full epigenome, removing limitations previously imposed by the missing reference sequence. Existi...

The complete sequence of a human genome

In 2001, Celera Genomics and the International Human Genome Sequencing Consortium published their initial drafts of the human genome, which revolutionized the field of genomics. While these drafts a...

Third-generation sequencing revises the molecular karyotype for Toxoplasma gondii and identifies emerging copy number variants in sexual recombinants

Toxoplasma gondii is a useful model for intracellular parasitism given its ease of culture in the laboratory and genomic resources. However, as for many other eukaryotes, the T. gondii genome contai...

Chromosome-scale assembly and analysis of biomass crop Miscanthus lutarioriparius genome

Miscanthus, a rhizomatous perennial plant, has great potential for bioenergy production for its high biomass and stress tolerance. We report a chromosome-scale assembly of Miscanthus lutarioriparius...

Whole-genome sequencing with long reads reveals complex structure and origin of structural variation in human genetic variations and somatic mutations in cancer

Background Identification of germline variation and somatic mutations is a major issue in human genetics. However, due to the limitations of DNA sequencing technologies and computational algorithms...

Variants at the ASIP locus contribute to coat color darkening in Nellore cattle

Background Nellore cattle (Bos indicus) are well-known for their adaptation to warm and humid environments. Hair length and coat color may impact heat tolerance. The Nellore breed has been strongly...

Isolation and genomic characterization of five novel strains of Erysipelotrichaceae from commercial pigs

Background Members of the Erysipelotrichaceae family have a high abundance in the intestinal tract of mammals, and have been reported to be associated with host metabolic disorders and inflammatory...

SENSV: detecting structural variations with precise breakpoints using low-depth WGS data from a single Oxford Nanopore MinION flowcell

Structural variation (SV) is a major cause of genetic disorders. In this paper, we show that low-depth (specifically, 4x) whole-genome sequencing using a single Oxford Nanopore MinION flow cell suff...

Genome of the estuarine oyster provides insights into climate impact and adaptive plasticity

Understanding the roles of genetic divergence and phenotypic plasticity in adaptation is central to evolutionary biology and important for assessing adaptive potential of species under climate chang...

An annotated draft genome for the Andean bear, Tremarctos ornatus

The Andean bear is the only extant member of the Tremarctine subfamily and the only extant ursid species to inhabit South America. Here, we present an annotated de novo assembly of a nuclear genome ...

Complete, closed and curated genome sequences of Photobacterium damselae subsp. piscicida isolates from Australia indicate mobilome-driven localized evolution and novel pathogenicity determinants

Despite the recent advances in sequencing technologies, the complete assembly of multi-chromosome genomes of the Vibrionaceae, often containing several plasmids, remains challenging. Using a combina...

Extensive OMICS resource for Sf21 and Tni cell lines

Insect-derived cell lines, from Spodoptera frugiperda (Sf21) and from Trichoplusia ni (Tni), are the two most widely used cell lines for recombinant protein expression in combination with the Baculo...

Chromatin profiling reveals genome stability heterogeneity in clinical isolates of the human pathogen Aspergillus fumigatus

Invasive Pulmonary aspergillosis is a life-threatening infection in immunosuppressed patients caused by the filamentous fungus Aspergillus fumigatus. Chromatin structure regulation is important for ...

Population genomics of Salmonella enterica serovar Weltevreden ST365, an emerging predominant causative agent of diarrheal disease

Salmonella enterica serovar Weltevreden is a recently emerged pathogen, and as such we lack a comprehensive knowledge of its microbiology, genomics, epidemiology and biogeography. In this study, we ...

Full-genome sequence of Bacillus safensis strain IDN1, isolated from commercially available natto in Indonesia

We isolated a strain of Bacillus safensis, which we called IDN1, from natto sold in Indonesia. In order to gain insights into its genomic structure and understand its biology, we used the Oxford Nan...

Aberrant integration of Hepatitis B virus DNA promotes major restructuring of human hepatocellular carcinoma genome architecture

Most cancers are characterized by the somatic acquisition of genomic rearrangements during tumour evolution that eventually drive the oncogenesis. There are different mutational mechanisms causing s...

Three bacterium-plasmid golden combinations facilitate the spread of ST11/CG258 carbapenemase-producing Klebsiella pneumoniae in China

Carbapenemase-producing Klebsiella pneumoniae (cpKP) poses serious threats to public health. Previous studies showed that only ST11/CG258-cpKP successfully disseminated in China, however, the underl...

Short report: Introduction of chikungunya virus ECSA genotype into the Brazilian Midwest and its dispersion through the Americas

Since introduction into Brazil in 2014, chikungunya virus (CHIKV) has presented sustained transmission, although much is unknown about its circulation in the midwestern states. Here, we analyze 24 n...

Field and classroom initiatives for portable sequence-based monitoring of dengue virus in Brazil

Brazil experienced a large dengue virus (DENV) epidemic in 2019, highlighting a continuous struggle with effective control and public health preparedness. Using Oxford Nanopore sequencing, we led fi...

Insights into the acquisition of the pks island and production of colibactin in the Escherichia coli population

The pks island codes for the enzymes necessary for synthesis of the genotoxin colibactin, which contributes to the virulence of Escherichia coli strains and is suspected of promoting colorectal canc...

Genome archeology of two laboratory Salmonella enterica enterica sv Typhimurium

The Salmonella research community has used strains and bacteriophages over decades, exchanging useful new isolates among laboratories for study of cell surface antigens, metabolic pathways and restr...

Contrasting patterns of microbial dominance in the Arabidopsis thaliana phyllosphere

Pseudomonas and Sphingomonas are among the most abundant bacterial genera in the phyllosphere of wild Arabidopsis thaliana. Relative to Pseudomonas, the ecology of Sphingomonas and its interaction w...

A SARS-CoV-2 lineage A variant (A.23.1) with altered spike has emerged and is dominating the current Uganda epidemic

SARS-CoV-2 genomic surveillance in Uganda provides an opportunity to provide a focused description of the virus evolution in a small landlocked East African country. Here we show a recent shift in t...

Importation, circulation, and emergence of variants of SARS-CoV-2 in the South Indian State of Karnataka

As the pandemic of COVID-19 caused by the coronavirus SARS-CoV-2 continues, the selection of genomic variants which can influence how the pandemic progresses is of growing concern. Of particular con...

Metagenomic sequencing of municipal wastewater provides a near-complete SARS-CoV-2 genome sequence identified as the B.1.1.7 variant of concern

Laboratory-based wastewater surveillance for SARS-CoV-2, the causative agent of the ongoing COVID-19 pandemic, can be conducted using RT-qPCR-based screening of municipal wastewater samples. Althoug...

Rapid detection of SARS-CoV-2 variants of concern identifying a cluster of B.1.1.28/P.1 variant in British Columbia, Canada

Using a real-time RT-PCR-based algorithm to detect SARS-CoV-2 variants of concern, we rapidly identified 77 variants (57-B.1.1.7, 7-B.1.351, and 13-B.1.1.28/P.1). This protocol enabled our laborator...

SARS-CoV-2 genomic surveillance identifies naturally occurring truncations of ORF7a that limit immune suppression

Over 200,000 whole genome sequences of SARS-CoV-2 have been determined for viruses isolated from around the world. These sequences have been critical for understanding the spread and evolution of SA...

SARS-CoV-2 transmission in intercollegiate athletics not fully mitigated with daily antigen testing

Background High frequency, rapid turnaround SARS-CoV-2 testing continues to be proposed as a way of efficiently identifying and mitigating transmission in congregate settings. However, two SARS-CoV-...

Epidemiological and genomic analysis of a Sydney hospital COVID-19 outbreak

Australia’s early COVID-19 experience involved clusters in northern Sydney, including hospital and aged-care facility (ACF) outbreaks. We explore transmission dynamics, drivers and outcomes of a met...

A novel SARS-CoV-2 variant of concern, B.1.526, identified in New York

Recent months have seen surges of SARS-CoV-2 infection across the globe along with considerable viral evolution. Extensive mutations in the spike protein of variants B.1.1.7, B1.351, and P.1 have ra...

Genomics of aminoglycoside resistance in Pseudomonas aeruginosa bloodstream infections at a United States academic hospital

Pseudomonas aeruginosa is a frequent cause of antibiotic-resistant infections. Although P. aeruginosa is intrinsically resistant to many antimicrobial agents, aminoglycosides are active against this...

Emergence and rising of ceftazidime-avibactam resistant KPC-producing Pseudomonas aeruginosa in China: a molecular epidemiology study

Background Infections by Carbapenem-resistant Pseudomonas aeruginosa (CRPA) are difficult to treat and novel antibiotics are desperately needed. Till today, ceftazidime-avibactam (CAZ-AVI) has been ...

A novel, multiplexed RT-qPCR assay to distinguish lineage B.1.1.7 from the remaining SARS-CoV-2 lineages

The emergence of a novel SARS-CoV-2 variant called lineage B.1.1.7 sparked global alarm due to evidence of increased transmissibility, mortality, and uncertainty about vaccine efficacy, thus acceler...

Sequence analysis of 20,453 SARS-CoV-2 genomes from the Houston metropolitan area identifies the emergence of multiple isolates of all major variants of concern

Since the beginning of the SARS-CoV-2 pandemic, there has been international concern about the emergence of virus variants with mutations that increase transmissibility, enhance escape from the huma...

First and second SARS-CoV-2 waves in inner London: A comparison of admission characteristics and the impact of the B.1.1.7 variant

A second wave of SARS-CoV-2 infection spread across the UK in 2020 linked with emergence of the more transmissible B.1.1.7 variant. The emergence of new variants, particularly during relaxation of ...

Genomics and epidemiology of a novel SARS-CoV-2 lineage in Manaus, Brazil

Cases of SARS-CoV-2 infection in Manaus, Brazil, resurged in late 2020, despite high levels of previous infection there. Through genome sequencing of viruses sampled in Manaus between November 2020 ...

High-quality genome sequence resource for Fusarium andiyazi causing pokkah boeng disease of sugarcane in China

Sugarcane pokkah boeng disease (PBD) is emerging as a prevalent foliar disease in China. This airborne disease is caused by the Fusarium species complex. To investigate the diversity and evolution o...

A chromosome-level assembly of a wild castor genome provides new insights into the adaptive evolution in a tropical desert

Wild castor grows in the high-altitude tropical desert of the African Plateau, a region known for high ultraviolet radiations, strong lights and extremely dry conditions. To investigate the potentia...

Genomes of the willow-galling sawflies Euura lappo and Eupontania aestiva (Hymenoptera: Tenthredinidae): a resource for research on ecological speciation, adaptation, and gall induction

Hymenoptera is a hyperdiverse insect order represented by over 153,000 different species. As many hymenopteran species perform various crucial roles for our environments, such as pollination, herbiv...

Isolation and characterization of a novel Wolbachia bacteriophage from Allonemobius socius crickets in Missouri

Wolbachia are endosymbionts of numerous arthropod and some nematode species, are important for their development and if present can cause distinct phenotypes of their hosts. Prophage DNA has been fr...

Transcriptional activity and epigenetic regulation of transposable element in the symbiotic fungus Rhizophagus irregularis

Arbuscular mycorrhizal (AM) fungi form mutualistic relationships with most land plant species. AM fungi have long been considered as ancient asexuals. Long-term clonal evolution would be remarkable ...

Exploiting synergistic interactions of Medicago sativa L. and Paraburkholderia tropica for enhanced biodegradation of diesel fuel hydrocarbons

The biotechnological application of microorganisms for rhizoremediation of contaminated sites requires the development of plant-microbe symbionts capable of plant growth promotion and hydrocarbon de...

Sequence analysis of SARS-CoV-2 in nasopharyngeal samples from patients with COVID-19 illustrates population variation

New variants of SARS-CoV-2 are continuing to emerge and dominate the regional and global sequence landscapes. Several variants have been labelled as Variants of Concern (VOCs) because of perceptions...

A small number of early introductions seeded widespread transmission of SARS-CoV-2 in Québec, Canada

Using genomic epidemiology, we investigated the arrival of SARS-CoV-2 to Québec, the Canadian province most impacted by COVID-19, with >280,000 positive cases and >10,000 deaths in a populatio...

Case Study: Longitudinal immune profiling of a SARS-CoV-2 reinfection in a solid organ transplant recipient

Prior to the emergence of antigenically distinct SARS-CoV-2 variants, reinfections were reported infrequently - presumably due to the generation of durable and protective immune responses. However, ...

Rapid genomic surveillance of SARS-CoV-2 in a dense urban community using environmental (sewage) samples

Understanding disease burden and transmission dynamics in resource-limited, developing countries like Nepal is often challenging due to a lack of adequate surveillance systems. These issues are exac...

Chromosomal-level genome assembly of the painted sea urchin Lytechinus pictus, a genetically enabled model system for cell biology and embryonic development

The painted urchin Lytechinus pictus is a sea urchin in the family Toxopneustidae and one of several sea urchin species that are routinely used as an experimental research organism. Recently, L. pic...

ModPhred: an integrative toolkit for the analysis and storage of nanopore sequencing DNA and RNA modification data

DNA and RNA modifications can now be identified using Nanopore sequencing. However, we currently lack a flexible software to efficiently encode, store, analyze and visualize DNA and RNA modification...

SARS-CoV-2 genome sequencing from COVID-19 in Ecuadorian patients: a whole country analysis

SARS-CoV-2, the etiological agent of COVID-19, was first described in Wuhan, China in December 2019 and has now spread globally. Ecuador was the second country in South America to confirm cases and ...

Genomic surveillance and phylodynamic analyses reveal emergence of novel mutation and co-mutation patterns within SARS-CoV2 variants prevalent in India

Emergence of distinct viral clades has been observed in SARS-CoV2 variants across the world and India. Identification of the genomic diversity and the phylodynamic profiles of the prevalent strains ...

Genetic differentiation of Xylella fastidiosa following the introduction into Taiwan

The economically important plant pathogen Xylella fastidiosa has been reported in multiple regions of the globe during the last two decades, threatening a growing list of crops and industries. Xylel...

Genomic architecture and evolutionary dynamics of a social niche polymorphism in the California harvester ant, Pogonomyrmex californicus

The societies of social insects are highly variable, including variation in the number of reproductives in a colony. In the California harvester ant, Pogonomyrmex californicus (Buckley 1867), coloni...

The genome of the Margined White butterfly (Pieris macdunnoughii): sex chromosome insights and the power of polishing with PoolSeq data

We report a chromosome-level assembly for Pieris macdunnoughii, a North American butterfly whose involvement in an evolutionary trap imposed by an invasive Eurasian mustard has made it an emerging m...

Genomic evidence of environmental and resident Salmonella Senftenberg and Montevideo contamination in the pistachio supply-chain

Pistachios have been implicated in two salmonellosis outbreaks and multiple recalls in the U.S. This study performed a retrospective data analysis of Salmonella associated with pistachios and a stor...

Evaluation of Salmonella serotype prediction with multiplex Nanopore sequencing

The use of whole genome sequencing (WGS) data generated by the long-read sequencing platform Oxford Nanopore Technologies (ONT) has been shown to provide reliable results for Salmonella serotype pre...

Genome sequencing and morphometric analysis of alpine bumblebees experiencing climate change reveal ongoing phenotypic shifts and a lack of population structure

Populations of the bumblebees Bombus sylvicola and Bombus balteatus in Colorado have experienced decreases in tongue length, a trait important for plant-pollinator mutualisms, in the last six decade...

Genome sequences for two Acinetobacter baumannii strains obtained using the Unicycler hybrid assembly pipeline

Here, we report a complete genome sequence for Acinetobacter baumannii strain ATCC 17961, with plasmid sequences, and a high-quality (>98% complete) build for A. baumannii strain AB09-003. These ...

The genome of the European estuarine calanoid copepod Eurytemora affinis: potential use in molecular ecotoxicology

In this study, we sequenced and assembled the genome of a European estuarine calanoid copepod using Oxford Nanopore PromethION and Illumina HiSeq 2500 platforms. The length of the assembled genome w...

DNA preparation in Vitis vinifera L. for third generation sequencing

Background There have been several attempts to sequence the genome of Vitis vinifera L. (grapevine), utilizing low-resolution second-generation platforms. Nevertheless, the characterization of the g...

Alpha satellite insertions and the evolutionary landscape of centromeres

Human centromeres are composed of alpha satellite DNA hierarchically organized as higher-order repeats and epigenetically specified by CENP-A binding. Current evolutionary models assert that new cen...

Genomic analysis of dibenzofuran-degrading Pseudomonas veronii strain Pvy reveals its biodegradative versatility

Certain industrial chemicals accumulate in the environment due to their recalcitrant properties. Bioremediation uses the capability of some environmental bacteria to break down these chemicals and a...

Genome Sequence Resource of Phytophthora vignae, the causal agent of stem and root rot of cowpea

The causal agent of stem and root rot of cowpea, Phytophthora vignae, is a widely distributed species of Phytophthora genus. Here, we generate a high-quality complete genome assembly of P. vignae st...

Chromosome-scale genome sequence of Alternaria alternata causing Alternaria brown spot of citrus

Alternaria brown spot (ABS) caused by Alternaria alternata is an economically important fungal disease of citrus worldwide. The ABS pathogen A. alternata tangerine pathotype can produce a host-speci...

Chromosomal rearrangements but no change of genes and transposable elements repertoires in an invasive forest-pathogenic fungus

Chromosomal rearrangements have been largely described among eukaryotes, and may have important consequences on evolution of species. High genome plasticity have been often reported in Fungi, that m...

Complete genome sequence of Xylella taiwanensis and comparative analysis of virulence gene content with Xylella fastidiosa

The bacterial genus Xylella contains plant pathogens that are major threats to agriculture worldwide. Although extensive research was conducted to characterize different subspecies of Xylella fastid...

The whole genome sequence resource of Calonectria ilicicola, the casual pathogen of soybean red crown rot

Calonectria ilicicola (ana. Cylindrocladium parasiticum) is a soilborne plant pathogenic fungus with a broad host range, and it can cause red crown rot of soybean and Cylindrocladium black rot of pe...

Nanopore sequencing resolves elusive long tandem-repeat regions in mitochondrial genomes

Long non-coding, tandem-repetitive regions in mitochondrial (mt) genomes of many metazoans have been notoriously difficult to characterise accurately using conventional sequencing methods. Here, we ...

Chromosome-level genome assembly and structural variant analysis of two laboratory yeast strains from the Peterhof Genetic Collection lineage

Thousands of yeast genomes have been sequenced with both traditional and long-read technologies, and multiple observations about modes of genome evolution for both wild and laboratory strains have b...

Long-read sequencing improves the detection of structural variations impacting complex non-coding elements of the genome

The advent of long-read sequencing offers a new assessment method of detecting genomic structural variation (SV) in numerous rare genetic diseases. For autism spectrum disorders (ASD) cases where pa...

Vegetable-derived carbapenemase-producing high-risk Klebsiella pneumoniae ST15 and Acinetobacter baumannii ST2 clones in Japan

This study was conducted to characterize carbapenemase-producing Klebsiella pneumoniae and Acinetobacter baumannii isolated from fresh vegetables in Japan. Two K. pneumoniae (AO15, and AO22) and one...

Complete genome sequence of Peptacetobacter (Clostridium) hiranonis strain DGF055142, isolated from dog feces from Flagstaff, Arizona, USA, 2019

A single-chromosome closed genome of Peptacetobacter (Clostridium) hiranonis strain DGF055142 was generated using Illumina MiSeq short reads paired with Oxford Nanopore MinION long reads. This isola...

Zoonotic spillover of SARS-CoV-2: mink-adapted virus in humans

The COVID-19 pandemic caused by SARS-CoV-2 started in fall 2019. A range of different mammalian species, including farmed mink, have been confirmed as susceptible to infection with this virus. We re...

Adaptation of Oxford Nanopore technology for hepatitis C whole genome sequencing and identification of within-host viral variants

Background Hepatitis C (HCV) and many other RNA viruses exist as rapidly mutating quasi-species populations in a single infected host. High throughput characterization of full genome, within-host v...

The genome sequence of the cereal pest Sitophilus oryzae: an unprecedented transposable element content

Background Among beetles, the rice weevil Sitophilus oryzae is one of the most important pests causing extensive damage to cereal in fields and to stored grains. S. oryzae has an intracellular symbi...

Genomic evaluation of Bordetella spp. originating from Australia

Bordetella pertussis is the primary causative agent of pertussis, a highly infectious respiratory disease associated with prolonged coughing episodes. Pertussis infections are typically mild in adul...

Investigation of intra-hospital SARS-CoV-2 transmission using nanopore whole genome sequencing

Background During the SARS-CoV-2 pandemic, healthcare workers (HCWs) are exposed to infection both at work and in their communities. Determining where HCWs might have been infected is challenging b...

First report of an extensively drug-resistant ST23 Klebsiella pneumoniae of capsular serotype K1 co-producing CTX-M-15, OXA-48 and ArmA in Spain

An extensively drug-resistant (XDR) Klebsiella pneumoniae isolate MS3802 from a tracheostomy exudate was whole-genome sequenced using MiSeq and Oxford Nanopore MinION platforms in order to identify ...

Chromosomal assembly of the nuclear genome of the endosymbiont-bearing trypanosomatid Angomonas deanei

Angomonas deanei is an endosymbiont-bearing trypanosomatid with several highly fragmented genome assemblies and unknown chromosome number. We present an assembly of the A. deanei nuclear genome base...

Wolbachia in the spittlebug Prosapia ignipectus: Variable infection frequencies, but no apparent effect on host reproductive isolation

Animals serve as hosts for complex communities of microorganisms, including endosymbionts that live inside their cells. Wolbachia bacteria are perhaps the most common endosymbionts, manipulating hos...

Analyses of the complete genome sequence of 2,6-dichlorobenzamide (BAM) degrader Aminobacter sp. MSH1 suggests a polyploid chromosome, phylogenetic reassignment, and functions of (un)stable plasmids

Aminobacter sp. MSH1 (CIP 110285) can use the pesticide dichlobenil and its transformation product, the recalcitrant groundwater micropollutant, 2,6-dichlorobenzamide (BAM) as sole source of carbon,...

Comparative infectivity and pathogenesis of emerging SARS-CoV-2 variants in Syrian 2 hamsters

Within one year after its emergence, more than 108 million people contracted SARS-CoV-2 and almost 2.4 million succumbed to COVID-19. New SARS-CoV-2 variants of concern (VoC) are emerging all over t...

Phenotypic characterization and whole-genome analysis of a novel bacteriophage HCF1 infecting citrobacter amalonaticus and C. freundii

Citrobacter species often occur in sewage, food, soil, wastewater, and in the intestinal tract of animals and humans. Citrobacter spp. cause urinary tract infections (UTIs) and infantile meningitis ...

Genomic characterisation of a multidrug-resistant Escherichia coli strain carrying the mcr-1 gene recovered from a paediatric patient in China

Objectives The global spread of carbapenem-resistant Enterobacterales is a leading public-health threat. Lack of effective treatment has resulted in use of colistin as a last-resort therapeutic opt...

Surfactin stimulated by pectin molecular patterns and root exudates acts as a key driver of Bacillus-plant mutualistic interaction

Bacillus velezensis is considered as model species belonging to the so-called B. subtilis complex that typically evolved to dwell in the soil rhizosphere niche and establish intimate association wit...

Molecular characterization of vancomycin-resistant Enterococcus faecium isolates collected from the Dallas, Texas area

Molecular characterization was performed for 46 vancomycin-resistant E. faecium (VREfm) isolates and one vancomycin-sensitive comparator obtained during routine fecal surveillance of high-risk patie...

Ancient migrations - The first complete genome assembly, annotation and variants of the Zoroastrian-Parsi community of India

With the advent of Next Generation Sequencing, many population specific whole genome sequences published thus far, predominantly represent individuals of European ancestry. While sequencing efforts ...

The genome of the CTG(Ser1) yeast Scheffersomyces stipitis is plastic

Microorganisms need to adapt to environmental changes, and genome plasticity can lead to adaptation by increasing genetic diversity. The CTG (Ser1) clade of fungi is a diverse yeast group that can ...

Different trajectories of polyploidization shape the genomic landscape of the Brettanomyces bruxellensis yeast species

Polyploidization events are observed across the tree of life and occurred in many fungi, plant and animal species. Polyploidy is thought to be an important source of speciation and tumorigenesis. Ho...

Small intestine lactobacilli growth promotion and immunomodulation in weaner pigs fed Cyberlindnera jadinii yeast high inclusion diet and exposed to enterotoxigenic Escherichia coli F4+: O149

Enterotoxigenic Escherichia coli (ETEC) F4+: O149 is a causative agent for the development of post-weaning diarrhoea (PWD) in pigs that contributes to production losses. Yeast cell wall components u...

Impact of cobas PCR media freezing on SARS-CoV-2 viral RNA integrity and whole genome sequencing analyses

SARS-CoV-2 whole genome sequencing is an important molecular biology tool performed to support many aspects of the response to the pandemic. Freezing of primary clinical nasopharyngeal swab samples ...

Structural variants in Chinese population and their impact on phenotypes, diseases and population adaptation

A complete characterization of genetic variation is a fundamental goal of human genome research. Long-read sequencing (LRS) improves the sensitivity for structural variant (SV) discovery and facilit...

Genome-wide detection of cytosine methylations in plant from Nanopore sequencing data using deep learning

Methylation states of DNA bases can be detected from native Nanopore reads directly. At present, there are many computational methods that can detect 5mCs in CpG contexts accurately by Nanopore sequ...

DNA methylation profiling of a cnidarian-algal symbiosis using nanopore sequencing

Symbiosis with protists is common among cnidarians such as corals and sea anemones, and is associated with homeostatic and phenotypic changes in the host that could have epigenetic underpinnings, su...

Using de novo assembly to identify structural variation of complex immune system gene regions

Driven by the necessity to survive environmental pathogens, the human immune system has evolved exceptional diversity and plasticity, to which several factors contribute including inheritable struct...

Combined genomic, transcriptomic, and metabolomic analyses provide insights into chayote (Sechium edule) evolution and fruit development

Chayote (Sechium edule) is an agricultural crop in the Cucurbitaceae family that is rich in bioactive components. To enhance genetic research on chayote, we used Nanopore third-generation sequencing...

Genomic monitoring of SARS-CoV-2 uncovers an Nsp1 deletion variant that modulates type I interferon response

The SARS-CoV-2 virus, the causative agent of COVID-19, is undergoing constant mutation. Here, we utilized an integrative approach combining epidemiology, virus genome sequencing, clinical phenotypin...

MicroPIPE: An end-to-end solution for high-quality complete bacterial genome construction

Oxford Nanopore Technology (ONT) long-read sequencing has become a popular platform for microbial researchers; however, easy and automated construction of high-quality bacterial genomes remains chal...

High-quality genome resource of Clonostachys rosea strain CanS41 by Oxford Nanopore long-read sequencing

Clonostachys rosea is a necrotrophic mycoparasitic fungus with excellent biological control ability against numerous fungal plant pathogens. Here, we performed genomic sequencing of C. rosea strain ...

Rampant prophage movement among transient competitors drives rapid adaptation during infection

Interactions between bacteria, their close competitors, and viral parasites are common in infections but understanding of these eco-evolutionary dynamics is limited. Most examples of adaptations cau...

Sequential delivery of LAIV and SARS-CoV-2 in the ferret model can reduce SARS-CoV-2 shedding and does not result in enhanced lung pathology

Co-circulation of SARS-CoV-2 and influenza viruses could pose unpredictable risks to health systems globally, with recent studies suggesting more severe disease outcomes in co-infected patients. The...

GraphUnzip: unzipping assembly graphs with long reads and Hi-C

Long reads and Hi-C have revolutionized the field of genome assembly as they have made highly continuous assemblies accessible for challenging genomes. As haploid chromosome-level assemblies are now...

Architecture and evolution of subtelomeres in the unicellular green alga Chlamydomonas reinhardtii

In most eukaryotes, subtelomeres are dynamic genomic regions populated by multi-copy sequences of different origins, which can promote segmental duplications and chromosomal rearrangements. However,...

Draft genome resource of Fusarium oxysporum f. sp. capsici, the infectious agent of pepper Fusarium wilt

Fusarium oxysporum f. sp. capsici is the specific pathogen of pepper Fusarium wilt, and causes a significant reduction in pepper yield. Its narrow host specificity has led to the concept of forma sp...

The genomes of precision edited cloned calves show no evidence for off-target events or increased de novo mutagenesis

Animal health and welfare are at the forefront of public concern and the agricultural sector is responding by prioritising the selection of welfare-relevant traits in their breeding schemes. In some...

Long-read assembly and comparative evidence-based reanalysis of Cryptosporidium genome sequences reveal new biological insights

Cryptosporidiosis is a leading cause of waterborne diarrheal disease globally and an important contributor to mortality in infants and the immunosuppressed. Despite its importance, the Cryptosporidi...

Genome sequence data of Peronophythora litchii, an oomycete pathogen causing litchi downy blight

Peronophythora litchii is an oomycete pathogen that exclusively infects litchi, with infection stages affecting a broad range of tissues. In this study, we obtained a near chromosome-level genome as...

Genome sequences of 10 SARS-CoV-2 viral strains obtained by nanopore sequencing of nasopharyngeal swabs in Malta

The genome sequences of 10 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) strains from Sliema, Malta, were obtained by Nanopore sequencing using the amplicon sequencing approach develo...

MrHAMER yields highly accurate single molecule viral sequences enabling analysis of intra-host evolution

Technical challenges remain in the sequencing of RNA viruses due to their high intra-host diversity. This bottleneck is particularly pronounced when interrogating long-range co-evolution given the r...

Generation of a new frizzled 2 flox mouse model to clarify its role in development

It is currently accepted that Wnt receptors, Frizzleds (Fzd), have high functional redundancy, making individual receptors challenging to target therapeutically. Specifically, Fzd2 is believed to be...

Transferable Acinetobacter baumannii plasmid pDETAB2 encodes OXA-58 and NDM-1 and represents a new class of antibiotic resistance plasmids

Objectives To characterize a blaOXA-58- and blaNDM-1-containing MDR plasmid from a rare Acinetobacter baumannii lineage and compare it with related plasmids to explore the distribution and evolutio...

Molecular characterisation of the first New Delhi metallo-β-lactamase 1-producing Acinetobacter baumannii from Tanzania

Background We aimed to characterise the genetic determinants and context of two meropenem-resistant clinical isolates of Acinetobacter baumannii isolated from children hospitalised with bloodstream...

Genome and transcriptome of a pathogenic yeast, Candida nivariensis

We present a highly contiguous genome and transcriptome of the pathogenic yeast, Candida nivariensis. We sequenced both the DNA and RNA of this species using both the Oxford Nanopore Technologies (O...

Haploflow: Strain-resolved de novo assembly of viral genomes

In viral infections often multiple related viral strains are present, due to coinfection or within-host evolution. We describe Haploflow, a de Bruijn graph-based assembler for de novo genome assembl...

Evaluation of NGS-based approaches for SARS-CoV-2 whole genome characterisation

Since the beginning of the COVID-19 outbreak, SARS-CoV-2 whole-genome sequencing (WGS) has been performed at unprecedented rate worldwide with the use of very diverse Next-Generation Sequencing (NGS...

The genome analysis of Tripterygium wilfordii reveals TwCYP712K1 and TwCYP712K2 responsible for oxidation of friedelin in celastrol biosynthesis pathway

Tripterygium wilfordii is a Traditional Chinese Medicine (TCM) from family Celastraceae and celastrol is one of the strongest active ingredients belonging to friedelane-type pentacyclic triterpenoid...

Unique K-mer sequences for validating cancer-related substitution, insertion and deletion mutations

The cancer genome sequencing has led to important discoveries such as identifying cancer gene. However, challenges remain in the analysis of cancer genome sequencing. One significant issue is that m...

Genomic diversity and antimicrobial resistance of Haemophilus colonising the airways of young children with cystic fibrosis

Respiratory infection during childhood is a key risk factor in early cystic fibrosis (CF) lung disease progression. Haemophilus influenzae (Hi) and Haemophilus parainfluenzae (Hpi) are routinely iso...

Dissemination of NDM-producing Klebsiella pneumoniae and Escherichia coli high-risk clones in Catalan healthcare institutions

Objectives To characterize the clonal spread of carbapenem-resistant Klebsiella pneumoniae and Escherichia coli isolates between different healthcare institutions in Catalonia, Spain. Methods Ant...

Raven: a de novo genome assembler for long reads

We present new methods for the improvement of long-read de novo genome assembly incorporated into a straightforward tool called Raven (https://github.com/lbcb-sci/raven). Compared with other assembl...

Inclusion of Oxford Nanopore long reads improves all microbial and viral metagenome‐assembled genomes from a complex aquifer system

Assembling microbial and viral genomes from metagenomes is a powerful and appealing method to understand structure–function relationships in complex environments. To compare the recovery of genomes ...

Genomic insights into the host specific adaptation of the Pneumocystis genus and emergence of the human pathogen Pneumocystis jirovecii

Pneumocystis jirovecii, the fungal agent of human Pneumocystis pneumonia, is closely related to macaque Pneumocystis. Little is known about other Pneumocystis species in distantly related mammals, n...

Mutational pressure drives differential genome conservation in two bacterial endosymbionts of sap feeding insects

Compared to free-living bacteria, endosymbionts of sap-feeding insects have tiny and rapidly evolving genomes. Increased genetic drift, high mutation rates, and relaxed selection associated with hos...

A Transposon Story: from TE content to TE dynamic invasion of Drosophila genomes using the single-molecule sequencing technology from Oxford Nanopore

Transposable elements (TEs) are the main components of genomes. However, due to their repetitive nature, they are very difficult to study using data obtained with short-read sequencing technologies....

Benchmarking challenging small variants with linked and long reads

Genome in a Bottle (GIAB) benchmarks have been widely used to validate clinical sequencing pipelines and develop new variant calling and sequencing methods. Here we use accurate long and linked read...

Horizontal plasmid transfer among Klebsiella pneumoniae isolates is the key factor for dissemination of extended-spectrum β-lactamases among children in Tanzania

Increased knowledge about the role of horizontal gene transfer is key to improve our understanding of the spread of antimicrobial resistance (AMR) in human populations. We therefore studied the diss...

The Salmonella enterica plasmidome as a reservoir of antibiotic resistance

The emergence of multidrug-resistant bacterial strains worldwide has become a serious problem for public health over recent decades. The increase in antimicrobial resistance has been expanding via p...

HapSolo: An optimization approach for removing secondary haplotigs during diploid genome assembly and scaffolding

Background Despite marked recent improvements in long-read sequencing technology, the assembly of diploid genomes remains a difficult task. A major obstacle is distinguishing between alternative con...

Ubiquitous selfish toxin-antidote elements in Caenorhabditis species

Toxin-antidote elements (TAs) are selfish genetic dyads that spread in populations by selectively killing non-carriers. TAs are common in prokaryotes, but few examples are known in animals. We disco...

The genome of a persistent giant algal virus encodes an unprecedented number of genes involved in energy metabolism

Viruses have long been viewed as entities possessing extremely limited metabolic capacities. Over the last decade, however, this view has been challenged, as metabolic genes have been identified in ...

Whole genome sequence data of Lactobacillus fermentum HFD1, the producer of antibacterial peptides

Here we report the whole genome sequence of Lactobacillus fermentum HFD1 strain, the producer of antibacterial peptides. The genome consists of one circular chromosome with 2101878 bp in length and ...

A novel blaCTX-M-65-harboring IncHI2 plasmid pE648CTX-M-65 isolated from a clinical extensively-drug-resistant Escherichia coli ST648

Background: An ESBL, carbapenemase- and MCR-1-producing Escherichia coli ST648 strain was isolated from the urine sample of a patient in a Chinese tertiary hospital in 2016. Methods: The strain was ...

Acquired fluoroquinolone resistance genes in corneal isolates of Pseudomonas aeruginosa

Fluoroquinolones are widely used as an empirical therapy for pseudomonal ocular infections. Based on increasing reports on acquired fluoroquinolone resistance genes in clinical isolates of Pseudomon...

High-quality carnivore genomes from roadkill samples enable species delimitation in aardwolf and bat-eared fox

In a context of ongoing biodiversity erosion, obtaining genomic resources from wildlife is becoming essential for conservation. The thousands of yearly mammalian roadkill could potentially provide a...

Chromosome-level genome assembly of a benthic associated Syngnathiformes species: the common dragonet, Callionymus lyra

Background The common dragonet, Callionymus lyra, is one of three Callionymus species inhabiting the North Sea. All three species show strong sexual dimorphism. The males show strong morphological d...

Regulation of Wolbachia proliferation by the amplification and deletion of an addictive genomic island

Wolbachia is one of the most prevalent bacterial endosymbionts, infecting approximately 40% of terrestrial arthropod species. Wolbachia is often a reproductive parasite but can also provide fitness ...

TGS-GapCloser: a fast and accurate gap closer for large genomes with low coverage of error-prone long reads

Background Analyses that use genome assemblies are critically affected by the contiguity, completeness, and accuracy of those assemblies. In recent years single-molecule sequencing techniques gener...

Generating single-sex litters: development of CRISPR-Cas9 genetic tools to produce all-male offspring

Animals are extremely useful genetic tools in science and global resources in agriculture. However, a single sex is often required in surplus, and current genetic methods for producing all-female or...

The draft genome of Labeo catla

Objective Labeo catla (catla), one of the three Indian major carps, is native to the Indo-Gangetic riverine system of India as well as the rivers of Pakistan, Bangladesh, Nepal and Myanmar. Its hig...

The beginning of the end: a chromosomal assembly of the new world malaria mosquito ends with a novel telomere

Chromosome level assemblies are accumulating in various taxonomic groups including mosquitoes. However, even in the few reference-quality mosquito assemblies, a significant portion of the heterochro...

Prophylactic application of tailocins prevents infection by Pseudomonas syringae

Tailocins are phage-derived bacteriocins that demonstrate great potential as agricultural antimicrobials given their high killing efficiency and their precise strain-specific targeting ability. Our ...

Phylum barrier and Escherichia coli intra-species phylogeny drive the acquisition of resistome in E. coli

Escherichia coli is a ubiquitous bacterium that has widely been exposed to antibiotics over the last 70 years. It has adapted by acquiring different antibiotic resistance genes (ARG), which we aim a...

Engineering radioprotective human cells using the tardigrade damage suppressor protein, DSU

Spaceflight has been documented to produce a number of detrimental effects to physiology and genomic stability, partly a result of Galactic Cosmic Radiation (GCR). In recent years, extensive researc...

De novo genome assembly of the land snail Candidula unifasciata (Mollusca: Gastropoda)

Among all molluscs, land snails are an economically and scientifically interesting group comprising edible species, alien species and agricultural pests. Yet, despite its high diversity, the number ...

Genomic analysis of a novel species Halomonas shambharensis isolated from hypersaline lake in Northwest India

Genome analysis of Halomonas shambharensis, a novel species, was performed to understand the osmoprotectant strategies used by the strain to overcome the salinity stress and to explore the prospecti...

Improvements in the sequencing and assembly of plant genomes

Background Advances in DNA sequencing have reduced the difficulty of sequencing and assembling plant genomes. A range of methods for long read sequencing and assembly have been recently compared and...

Genome recombination-mediated tRNA up-regulation conducts general antibiotic resistance of bacteria at early stage

Bacterial antibiotic resistance sets a great challenge to human health. It seems that the bacteria can spontaneously evolve resistance against any antibiotic within short time without the horizontal...

Comprehensive mapping of SARS-CoV-2 interactions in vivo reveals functional virus-host interactions

SARS-CoV-2 has emerged as a major threat to global public health, resulting in global societal and economic disruptions. Here, we investigate the intramolecular and intermolecular RNA interactions o...

Genomic analysis of the diversity, antimicrobial resistance and virulence potential of Campylobacter jejuni and Campylobacter coli strains from a private health care center in Chile

Campylobacter jejuni and Campylobacter coli are the leading causes of human gastroenteritis in the developed world and an emerging threat in developing countries. There is increasing evidence that t...

A new long-read dog assembly uncovers thousands of exons and functional elements missing in the previous reference

Here we present a new high-quality canine reference genome with gap number reduced 41-fold, from 23,836 to 585. Analysis of existing and novel data, RNA-seq, miRNA-seq and ATAC-seq, revealed a large...

Tandem gene duplications drive divergent evolution of caffeine and crocin biosynthetic pathways in plants

Background Plants have evolved a panoply of specialized metabolites that increase their environmental fitness. Two examples are caffeine, a purine psychotropic alkaloid, and crocins, a group of gly...

Genome of Solanum pimpinellifolium provides insights into structural variants during tomato breeding

Solanum pimpinellifolium (SP) is the wild progenitor of cultivated tomato. Because of its remarkable stress tolerance and intense flavor, SP has been used as an important germplasm donor in modern b...

The effect of hybridization on transposable element accumulation in an undomesticated fungal species

Transposable elements (TEs) are mobile genetic elements that can profoundly impact the evolution of genomes and species. A long-standing hypothesis suggests that the merging of diverged genomes with...

Identification of novel tetracycline resistance gene tet(X14) and its co-occurrence with tet(X2) in a tigecycline-resistant and colistin-resistant Empedobacter stercoris

Tigecycline is one of the last-resort antibiotics to treat severe infections. Recently, tigecycline resistance has sporadically emerged with an increasing trend, and Tet(X) family represents a new r...

Comparative genomics of Verticillium dahliae isolates reveals the in planta-secreted effector protein recognized in V2 tomato plants

Plant pathogens secrete effector molecules during host invasion to promote host colonization. However, some of these effectors become recognized by host receptors, encoded by resistance genes, to mo...

Genetic characterisation of a large antibiotic resistant environmental ST131 E. coli plasmid using a long read hybrid assembly approach

Escherichia coli Strain Type 131 are a globally disseminated environmental E. coli that has been linked to the capture and spread of plasmid mediated blaCTX-M type extended spectrum beta-lactamase (...

Unraveling the features of somatic transposition in the Drosophila intestine

Transposable elements (TEs) play a significant role in evolution by contributing to genetic variation through germline insertional activity. However, how TEs act in somatic cells and tissues is not ...

Genome analyses reveal the hybrid origin of the staple food crop white Guinea yam

White Guinea yam (Dioscorea rotundata) is an important staple tuber crop of West Africa. However, its origin remains unclear. In this study, we re-sequenced 336 accessions of white Guinea yam and co...

Template switching mechanism drives the tandem amplification of chromosome 20q11.21 in human pluripotent stem cells

Copy number variants (CNVs) are genomic rearrangements implicated in numerous congenital and acquired diseases, including cancer. In human pluripotent stem cells (PSC), the appearance of culture-acq...

Genomic network analysis of an environmental and livestock IncF plasmid population

IncF plasmids are diverse and of great clinical significance, often carrying genes conferring antimicrobial resistance (AMR) such as extended-spectrum β-lactamases, particularly in Enterobacteriacea...

Characterization and engineering of Streptomyces griseofuscus DSM 40191 as a potential host for heterologous expression of biosynthetic gene cluster

Streptomyces griseofuscus DSM 40191 is a fast growing Streptomyces strain that remains largely underexplored as a heterologous host. Here, we report the genome mining of S. griseofuscus, followed by...

Temporal detection and phylogenetic assessment of SARS-CoV-2 in municipal wastewater

SARS-CoV-2 has recently been detected in feces, which indicates that wastewater may be used to monitor viral prevalence in the community. Here, we use RT-qPCR to monitor wastewater for SARS-CoV-2 RN...

Nanopore-based metagenomics analysis reveals prevalence of mobile antibiotic and heavy metal resistome in wastewater

In-depth studies of the microbiome and mobile resistome profile of different environments is central to understanding the role of the environment in antimicrobial resistance (AMR), which is one of t...

Homologous chromosomes in asexual rotifer Adineta vaga suggest automixis

The several hundreds of species of bdelloid rotifers are notorious because they represent an ancient clade comprising only asexual lineages. Moreover, most bdelloid species have the ability to withs...

Time-calibrated genomic evolution of a monomorphic bacterium during its establishment as an endemic crop pathogen

The reconstruction of the evolutionary histories of pathogen populations in space and time often improves our understanding of their epidemiology. However, analyses are usually restricted to the non...

Whole genome sequencing of Hepatitis A virus using a PCR-free single-molecule nanopore sequencing approach

Hepatitis A virus (HAV) is one of the most common causes of acute viral hepatitis in humans. Although HAV has a relatively small genome, there are several factors limiting whole genome sequencing su...

Complete genome of Lactobacillus iners KY using Flongle provides insight into the genetic background of optimal adaption to vaginal econiche

Despite the importance of Lactobacillus iners and its unique characteristics for the study of vaginal adaption, its genome and genomic researches for identifying molecular backgrounds of these speci...

A chromosome-scale assembly of the garden orach (Atriplex hortensis L.) genome using Oxford Nanopore sequencing

Atriplex hortensis (2n = 2x = 18, 1C genome size ∼1.1 gigabases), also known as garden orach and mountain-spinach, is a highly nutritious, broadleaf annual of the Amaranthaceae-Chenopodiaceae allian...

Nanopore sequencing reveals genomic map of CTX-M-type extended-spectrum β-lactamases carried by Escherichia coli strains isolated from blue mussels (Mytilus edulis) in Norway

Background Environmental surveillance of antibiotic resistance can contribute towards better understanding and management of human and environmental health. This study applied a combination of long...

Improving the chromosome-level genome assembly of the Siamese fighting fish (Betta splendens) in a university master's course

Ever decreasing costs along with advances in sequencing and library preparation technologies enable even small research groups to generate chromosome-level assemblies today. Here we report the gener...

Comparison of third-generation sequencing approaches to identify viral pathogens under public health emergency conditions

The capability of high-throughput sequencing (HTS) for detection of known and unknown viruses timely makes it a powerful tool for public health emergency response. Third-generation sequencing (TGS) ...

A giant genome for a giant crayfish (Cherax quadricarinatus) with insights into cox1 pseudogenes in Decapod genomes

Following on from mitogenomic and transcriptomic studies, we present the first draft genome for the red claw crayfish (Cherax quadricarinatus) based on relatively large volumes of short and long gen...

Draft genome resource for the ex-types of Phytophthora ramorum, P. kernoviae, and P. melonis, species of regulatory concern, using ultra–long read MinION Nanopore sequencing

Phytophthora ramorum, P. kernoviae, and P. melonis are each species of current regulatory concern in the United States, the United Kingdom, and other areas of the world. Ex-type material are culture...

Linezolid resistance in Enterococcus faecium and Enterococcus faecalis from hospitalized patients in Ireland: high prevalence of the MDR genes optrA and poxtA

Objectives To investigate the prevalence of the optrA, poxtA and cfr linezolid resistance genes in linezolid-resistant enterococci from Irish hospitals and to characterize associated plasmids. Met...

Reorganization of mcr-1-bearing large MDR plasmids resolved by nanopore sequencing

The emergence of plasmid-borne mcr genes among pathogens poses great public concern. Different mcr variants have been identified from various sources and the plasmids encoding mcr genes are diverse ...

SARS-CoV-2 RECoVERY: a multi-platform open-source bioinformatic pipeline for the automatic construction and analysis of SARS-CoV-2 genomes from NGS sequencing data

Background Since its first appearance in December 2019, the novel Severe Acute Respiratory Syndrome Coronavirus type 2 (SARS-CoV-2), spread worldwide causing an increasing number of cases and deaths...

Plastid genomes of the early vascular plant genus Selaginella have unusual direct repeat structures and drastically reduced gene numbers

The early vascular plants in the genus Selaginella, which is the sole genus of the Selaginellaceae family, have an important place in evolutionary history, along with ferns, as such plants are valua...

Single-molecule nanopore sequencing reveals extreme target copy number heterogeneity in arylomycin-resistant mutants

Tandem gene amplification is a frequent and dynamic source of antibiotic resistance in bacteria. Ongoing expansions and contractions of repeat arrays during population growth are expected to manifes...

Precision long-read metagenomics sequencing for food safety by detection and assembly of Shiga toxin-producing Escherichia coli in irrigation water

Shiga toxin-producing Escherichia coli (STEC) contamination of agricultural water might be an important factor to recent foodborne illness and outbreaks involving leafy greens. Closed bacterial geno...

Functional strain redundancy and persistent phage infection in Swiss hard cheese starter cultures

Undefined starter cultures are poorly characterized bacterial communities from environmental origin used in cheese making. They are phenotypically stable and have evolved through domestication by re...

Emergence and evolution of a prevalent new SARS-CoV-2 variant in the United States

Genomic surveillance can lead to early identification of novel viral variants and inform pandemic response. Using this approach, we identified a new variant of the SARS-CoV-2 virus that emerged in t...

An improved Spirodela polyrhiza genome and proteomic analyses reveal a conserved chromosomal structure with high abundances of chloroplastic proteins favoring energy production

Duckweeds are a monophyletic group of rapidly reproducing aquatic monocots in the Lemnaceae family. Given their clonal, exponentially fast reproduction, a key question is whether genome structure is...

Rhizobium desertarenae sp. nov., isolated from the Saline Desert Soil from the Rann of Kachchh, India

A novel bacterial strain designated ADMK78T was isolated from the saline desert soil. The cells were rod-shaped, Gram-negative, and non-motile. The strain ADMK78T grows best at 28°C and pH 7.0 and c...

Iron-meditated fungal starvation by Lupine rhizosphere-associated and extremotolerant Streptomyces sp. S29 desferrioxamine production

Siderophores are iron-chelating compounds that aid iron uptake, one of the key strategies for microorganisms to carve out ecological niches in microbially diverse environments. Desferrioxamines are ...

Genomic stability and adaptation of beer brewing yeasts during serial repitching in the brewery

Ale brewing yeast are the result of admixture between diverse strains of Saccharomyces cerevisiae, resulting in a heterozygous tetraploid that has since undergone numerous genomic rearrangements. As...

First Indian report on B4/H24RxC ST410 type MDR Escherichia coli from bloodstream infection with blaOXA-181 and blaCTX-M-15

Objectives Escherichia coli is regarded as one of the most commonly isolated Gram-negative pathogens from bloodstream infections. Increasing antimicrobial resistance (AMR) among E. coli is a threat...

Transposons and satellite DNA: on the origin of the major satellite DNA family in the Chenopodium genome

Extensive and complex links exist between transposable elements (TEs) and satellite DNA (satDNA), which are the two largest fractions of eukaryotic genome. These relationships have a crucial effect ...

Implications of error-prone long-read whole-genome shotgun sequencing on characterizing reference microbiomes

Long-read sequencing techniques, such as the Oxford Nanopore Technology, can generate reads that are tens of kilobases in length and are therefore particularly relevant for microbiome studies. Howev...

De novo genome assemblies for three North American bumble bee species: Bombus bifarius, Bombus vancouverensis, and Bombus vosnesenskii

Bumble bees are ecologically and economically important insect pollinators. Three abundant and widespread species in western North America, Bombus bifarius, Bombus vancouverensis, and Bombus vosnese...

Safety assessment of a nham starter culture Lactobacillus plantarum BCC9546 via whole-genome analysis

The safety of microbial cultures utilized for consumption is vital for public health and should be thoroughly assessed. Although general aspects on the safety assessment of microbial cultures have b...

The genome of pest Rhynchophorus ferrugineus reveals gene families important at the plant-beetle interface

The red palm weevil, Rhynchophorus ferrugineus, infests palm plantations, leading to large financial losses and soil erosion. Pest-host interactions are poorly understood in R. ferrugineus, but the ...

Draft genome sequence of the pulse crop blackgram [Vigna mungo (L.) Hepper] reveals potential R-genes

Blackgram [Vigna mungo (L.) Hepper] (2n = 2x = 22), an important Asiatic legume crop, is a major source of dietary protein for the predominantly vegetarian population. Here we construct a draft geno...

Two cases of vancomycin-resistant Enterococcus faecium bacteremia with development of daptomycin-resistant phenotype and its detection using Oxford Nanopore sequencing

In this work, we report 2 cases of vancomycin-resistant Enterococcus faecium bacteremia with development of daptomycin resistance in 2 patients with acute myeloid leukemia and myelodysplastic syndro...

Plasmid carrying mcr-9 from an extensively drug-resistant NDM-1-producing Klebsiella quasipneumoniae subsp. quasipneumoniae clinical isolate

The extensively drug-resistant NDM-1-producing Klebsiella quasipneumoniae subsp. quasipneumoniae M17277 (Kqsq-M17277) was only susceptible to colistin and fosfomycin. Whole genome sequencing of Kqsq...

Constrained non-coding sequence provides insights into regulatory elements and loss of gene expression in maize

DNA sequencing technology has advanced so quickly, identifying key functional regions using evolutionary approaches is required to understand how those genomes work. This research develops a sensiti...

A high-quality de novo genome assembly from a single parasitoid wasp

Sequencing and assembling a genome with a single individual have several advantages, such as lower heterozygosity and easier sample preparation. However, the amount of genomic DNA of some small size...

AbGRI4, a novel antibiotic resistance island in multiply antibiotic-resistant Acinetobacter baumannii clinical isolates

Abstract Objectives To investigate the genomic context of a novel resistance island (RI) in multiply antibiotic-resistant Acinetobacter baumannii clinical isolates and global isolates. Methods ...

Niche and local geography shape the pangenome of wastewater- and livestock-associated Enterobacteriaceae

Escherichia coli and other Enterobacteriaceae are highly diverse species with ‘open’ pangenomes, where genes move intra- and inter-species via horizontal gene transfer. These species can cause clini...

Comparison of long read sequencing technologies in resolving bacteria and fly genomes

Background The newest generation of DNA sequencing technology is highlighted by the ability to sequence reads hundreds of kilobases in length, and the increased availability of long read data has de...

Insights into population structure of East African sweetpotato cultivars from hybrid assembly of chloroplast genomes

Background: The chloroplast (cp) genome is an important resource for studying plant diversity and phylogeny. Assembly of the cp genomes from next-generation sequencing data is complicated by the pre...

Reference genome for the highly transformable Setaria viridis ME034V

Setaria viridis (green foxtail) is an important model system for improving cereal crops due to its diploid genome, ease of cultivation, and use of C4 photosynthesis. The S. viridis accession ME034V ...

The bacterial and viral complexity of postinfectious hydrocephalus in Uganda

Postinfectious hydrocephalus (PIH), often following neonatal sepsis, is the most common cause of pediatric hydrocephalus world-wide, yet the microbial pathogens remain uncharacterized. Characterizat...

Read trimming has minimal effect on bacterial SNP calling accuracy

Read alignment is the central step of many analytic pipelines that perform SNP calling. To reduce error, it is common practice to pre-process raw sequencing reads to remove low-quality bases and res...

Emergence of ciprofloxacin heteroresistance in foodborne Salmonella enterica serovar Agona

Background Bacterial heteroresistance has been increasingly identified as an important phenomenon for many antibiotic/bacterium combinations. Objectives To investigate ciprofloxacin heteroresista...

Emergence of multidrug resistant hypervirulent ST23 Klebsiella pneumoniae: multidrug resistant plasmid acquisition drives evolution

Background: In recent years, the emergence of multidrug resistant hypervirulent K. pneumoniae (MDR hvKp) isolates poses severe therapeutic challenge to global public health. The present study used t...

The microbiome of Leonardo da Vinci’s drawings: a bio-archive of their history

Seven emblematic Leonardo da Vinci’s drawings were investigated through third generation sequencing technology (Nanopore). In addition, SEM analyses were carried out to acquire photographic document...

Draft genome assembly and annotation of the masked birch caterpillar, Drepana arcuata (Lepidoptera: Drepanoidea)

The masked birch caterpillar, Drepana arcuata Walker (Lepidoptera: Drepanidae), and other Drepanoidea (Lepidoptera) species are excellent organisms for investigating the function and evolution of vi...

Taro genome assembly and linkage map reveal QTLs for resistance to taro leaf blight

Taro (Colocasia esculenta) is a food staple widely cultivated in the humid tropics of Asia, Africa, Pacific and the Caribbean. One of the greatest threats to taro production is Taro Leaf Blight caus...

Diversity of pectobacteriaceae species in potato growing regions in Northern Morocco

Dickeya and Pectobacterium pathogens are causative agents of several diseases that affect many crops worldwide. This work investigated the species diversity of these pathogens in Morocco, where Dick...

Chromosome-scale genome assemblies of aphids reveal extensively rearranged autosomes and long-term conservation of the X chromosome

Large-scale chromosome rearrangements are arguably the most dramatic type of mutations, often leading to rapid evolution and speciation. However, chromosome dynamics have only been studied at the se...

Tirant stealthily invaded natural Drosophila melanogaster populations during the last century

It was long thought that solely three different transposable elements - the I-element, the P-element and hobo - invaded natural D. melanogaster populations within the last century. By sequencing the...

Enrichment and physiological characterization of a novel comammox Nitrospira indicates ammonium inhibition of complete nitrification

The recent discovery of bacteria within the genus Nitrospira capable of complete ammonia oxidation (comammox) demonstrated that the sequential oxidation of ammonia to nitrate via nitrite can also be...

Higher rates of processed pseudogene acquisition in humans and three great apes revealed by long read assemblies

LINE-1 mediated retrotransposition of protein-coding mRNAs is an active process in modern humans for both germline and somatic genomes. Prior works that surveyed human data or human cohorts mostly r...

Role of NGS and SNP genotyping methods in sugarcane improvement programs

Sugarcane (Saccharum spp.) is one of the most economically significant crops because of its high sucrose content and it is a promising biomass feedstock for biofuel production. Sugarcane genome sequ...

Complete, high-quality genomes from long-read metagenomic sequencing of two wolf lichen thalli reveals enigmatic genome architecture

Fungal genomes display incredible levels of complexity and diversity, and are exceptional study systems for genome evolution. Here we used the Oxford Nanopore MinION sequencing platform to generate ...

Hybrid de novo genome assembly of red gromwell (Lithospermum erythrorhizon) reveals evolutionary insight into shikonin biosynthesis

Lithospermum erythrorhizon (red gromwell; zicao) is a medicinal and economically valuable plant belonging to the Boraginaceae family. Roots from L. erythrorhizon have been used for centuries based o...

The rise and fall of the ancient northern pike master sex determining gene

Sexual reproduction is a ubiquitous basic feature of life and genetic sex determination is thus widespread, at least among eukaryotes. Understanding the remarkable diversity of sex determination mec...

Molecular mechanisms underlying the extreme mechanical anisotropy of the flaviviral exoribonuclease-resistant RNAs (xrRNAs)

Mechanical anisotropy is an essential property for many biomolecules to assume their structures, functions and applications, however, the mechanisms for their direction-dependent mechanical response...

Characterization of systemic genomic instability in budding yeast

Conventional models of genome evolution are centered around the principle that mutations form independently of each other and build up slowly over time. We characterized the occurrence of bursts of ...

SRY: an effective method for sorting long reads of sex-limited chromosome

Most of available reference genomes are lack of the sequence map of sex-limited chromosomes, that make the assemblies uncompleted. Recent advances on long reads sequencing and population sequencing ...

Reads2Resistome: An adaptable and high-throughput whole-genome sequencing pipeline for bacterial resistome characterization

Summary The bacterial resistome is the collection of all the antibiotic resistance genes, virulence genes, and other resistance elements within a bacterial isolate genome including plasmids and bact...

Characterizing the response of Acinetobacter baumannii ATCC 17978 to azithromycin in multiple in vitro growth conditions

Multi-drug resistant (MDR) Acinetobacter baumannii is one of the most concerning pathogens in hospital infections. A. baumannii is categorized as an “Urgent Threat” by the U.S. Centers for Disease C...

Evolutionary transition to XY sex chromosomes associated with Y-linked duplication of a male hormone gene in a terrestrial isopod

Sex chromosomes are highly variable in some taxonomic groups, but the evolutionary mechanisms underlying this diversity are not well understood. In terrestrial isopod crustaceans, interactions with ...

Population genomics and antimicrobial resistance in Corynebacterium diphtheriae

Corynebacterium diphtheriae, the agent of diphtheria, is a genetically diverse bacterial species. Although antimicrobial resistance has emerged against several drugs including first-line penicillin,...

Metagenomic profiling of ammonia- and methane-oxidizing microorganisms in a Dutch drinking water treatment plant

Elevated concentrations of ammonium and methane in groundwater can cause severe problems during drinking water production. To avoid their accumulation, raw water in the Netherlands, and many other c...

Improved reference genome for Cyclotella Cryptica CCMP332, a model for cell wall morphogenesis, salinity adaptation, and lipid production in diatoms (Bacillariophyta)

The diatom, Cyclotella cryptica, is a well-established experimental model for physiological studies and, more recently, biotechnology applications of diatoms. To further facilitate its use as a mode...

Preliminary assessment of nanopore-based metagenomic sequencing for the diagnosis of prosthetic joint infection

Objectives Pathogen identification is crucial for the diagnosis and management of periprosthetic joint infection (PJI). Although culturing methods are the foundation of pathogen detection in PJI, f...

The genome of Mekong tiger perch (Datnioides undecimradiatus) provides insights into the phylogenetic position of Lobotiformes and biological conservation

Mekong tiger perch (Datnioides undecimradiatus) is an ornamental and vulnerable freshwater fish native to the Mekong basin in Indochina, belonging to the order Lobotiformes. Here, we generated 121X ...

Chromosome scale reference genome of Cluster bean (Cyamopsis tetragonoloba (L.) Taub.)

Clusterbean (Cyamopsis tetragonoloba (L.) Taub.), also known as Guar is a widely cultivated dryland legume of Western India and parts of Africa. Apart from being a vegetable crop, it is also an abun...

Repeated introduction and spread of the MRSA clone t304/ST6 in northern Europe

Objectives During the last decades several methicillin-resistant Staphylococcus aureus (MRSA) clones with the capability of global spread have emerged in the community. Here, we have investigated a...

The structural variation landscape in 492 Atlantic salmon genomes

Structural variants (SVs) are a major source of genetic and phenotypic variation, but remain challenging to accurately type and are hence poorly characterized in most species. We present an approach...

Genomic diversity of Escherichia coli isolates from backyard chickens and guinea fowl in the Gambia

Chickens and guinea fowl are commonly reared in Gambian homes as affordable sources of protein. Using standard microbiological techniques, we obtained 68 caecal isolates of Escherichia coli from ten...

Chromosome-level genome assembly of the African pike, Hepsetus odoe

The order Characiformes is one of the largest components of the freshwater teleost fauna inhabiting exclusively in South America and Africa with great ecological and economical significance. Yet, qu...

Chromosome-level genome construction of a Japanese stickleback species using ultra-dense linkage analysis using single-cell sequencing of sperms

The presence of high quality genomes at the chromosome level is very useful in the search for the causal genes of mutants and in genetic breeding. The advent of next-generation sequencers has made i...

Hospital outbreak of linezolid-resistant and vancomycin-resistant ST80 Enterococcus faecium harbouring an optrA-encoding conjugative plasmid investigated by whole-genome sequencing

Background: Linezolid is an antibiotic used to treat infections caused by multi-drug-resistant Gram-positive bacteria. Linezolid resistance in enterococci has been reported with increasing frequency...

Whole genome sequencing and antibiotic diffusion assays, provide new insight on drug resistance in the genus Pedobacter

A total of four strains of the ‘environmental superbug’ Pedobacter isolated from sludge produced at Norwegian drinking water treatment plants, were characterized by whole genome sequencing and antib...

Giant lungfish genome elucidates the conquest of land by vertebrates

Lungfishes belong to lobe-fined fish (Sarcopterygii) that in the Devonian ‘conquered’ land and gave rise to all land vertebrates, including humans. We determined the largest chromosome-quality anim...

Verification of genetic engineering in yeasts with nanopore whole genome sequencing

Yeast genomes can be assembled from sequencing data, but genome integrations and episomal plasmids often fail to be resolved with accuracy, completeness, and contiguity. Resolution of these features...

Reference genome for the highly transformable Setaria viridis cultivar ME034V

Setaria viridis (green foxtail) is an important model system for improving cereal crops due to its diploid genome, ease of cultivation, and use of C4 photosynthesis. The S. viridis cultivar ME034V i...

Identification of fosA10, a novel plasmid-mediated fosfomycin resistance gene of Klebsiella pneumoniae origin, in Escherichia coli

Purpose: Several subtypes of plasmid-mediated fosfomycin resistance gene fosA in Enterobacteriaceae have been reported worldwide and have caused concern. The present study characterized a novel memb...

Profiling the effect of nafcillin on HA-MRSA D592 using bacteriological and physiological media

Staphylococcus aureus is a leading human pathogen associated with both hospital-acquired and community-acquired infections. The bacterium has steadily gained resistance to β-lactams and other import...

Abundance and diversity of phages, microbial taxa and antibiotic resistance genes in the sediments of the river Ganges through metagenomic approach

In the present study, we have analyzed the metagenomic DNA from the pooled sediment sample of the river Ganges to explore the abundance and diversity of phages, microbial community and antibiotic re...

A draft genome of grass pea (Lathyrus sativus), a resilient diploid legume

We have sequenced the genome of grass pea (Lathyrus sativus), a resilient diploid (2n=14) legume closely related to pea (Pisum sativum). We determined the genome size of the sequenced European acces...

High-resolution analysis of Merkel Cell Polyomavirus in Merkel Cell Carcinoma reveals distinct integration patterns and suggests NHEJ and MMBIR as underlying mechanisms

Merkel Cell Polyomavirus (MCPyV) is the etiological agent of the majority of Merkel Cell Carcinomas (MCC). MCPyV positive MCCs harbor integrated, defective viral genomes that constitutively express ...

Platon: identification and characterization of bacterial plasmid contigs in short-read draft assemblies exploiting protein-sequence-based replicon distribution scores

Plasmids are extrachromosomal genetic elements replicating independently of the chromosome which play a vital role in the environmental adaptation of bacteria. Due to potential mobilization or conju...

A highly contiguous genome for the golden-fronted woodpecker (Melanerpes aurifrons) via hybrid Oxford Nanopore and short read assembly

Woodpeckers are found in nearly every part of the world and have been important for studies of biogeography, phylogeography, and macroecology. Woodpecker hybrid zones are often studied to understand...

Improved genome sequence and gene annotation resource for the potato late blight pathogen Phytophthora infestans

Phytophthora infestans is a devastating pathogen causing potato late blight (Solanum tuberosum). Here we report the sequencing, assembly and genome annotation for two Phytophthora infestans isolates...

De novo assembly of trachidermus fasciatus genome by nanopore sequencing

Trachidermus fasciatus is a roughskin sculpin fish widely located at the coastal areas of East Asia. Due to the environmental destruction and overfishing, the populations of this species have been u...

Microbial interactions in the mosquito gut determine Serratia colonization and blood feeding propensity

How microbe-microbe interactions dictate microbial complexity in the mosquito gut is unclear. Previously we found that Serratia, a gut symbiont that alters vector competence and is being considered ...

The genome of the Java medaka (Oryzias javanicus): Potential for its use in marine molecular ecotoxicology

The Java medaka (Oryzias javanicus) is distributed in tropical brackish water and is considered as an ecotoxicological experimental organism for assessing diverse pollutions and global climate chang...

DNA sequence preference for de novo centromere formation on a Caenorhabditis elegans artificial chromosome

Centromeric DNA sequences vary in different species, but share common characteristics, like high AT-content, repetitiveness, and low, but not no, transcriptional activity. Yet, neocentromeres can be...

Molecular and functional analysis of the novel cfr(D) linezolid resistance gene identified in Enterococcus faecium

Objectives To characterize the novel cfr(D) gene identified in an Enterococcus faecium clinical isolate (15-307.1) collected from France. Methods The genome of 15-307.1 was entirely sequenced usi...

A general model to explain repeated turnovers of sex determination in the Salicaceae

Dioecy, the presence of separate sexes on distinct individuals, has evolved repeatedly in multiple plant lineages. However, the specific mechanisms through which sex systems evolve and their commona...

De novo genome assembly of a Han Chinese male and genome-wide detection of structural variants using Oxford Nanopore sequencing

Advances in third-generation sequencing technologies provide an opportunity to investigate the complex organizational structure of the genome and unravel the genetic mechanisms of disease and physio...

Polymorphic centromere locations in the pathogenic yeast Candida parapsilosis

Centromeres pose an evolutionary paradox: strongly conserved in function, but rapidly changing in sequence and structure. However, in the absence of damage, centromere locations are usually conserve...

The effect of recombination on the evolution of a population of Neisseria meningitidis

Neisseria meningitidis (the meningococcus) is a major human pathogen with a history of high invasive disease burden, particularly in sub-Saharan Africa. Our current understanding of the evolution of...

Caenorhabditis elegans dauers vary recovery in response to bacteria from natural habitat

Many species use dormant stages for habitat selection by tying recovery from the stage to informative external cues. Other species have an undiscerning strategy in which they recover randomly despit...

Comprehensive single cell analysis of pandemic influenza A virus infection in the human airways uncovers cell-type specific host transcriptional signatures relevant for disease pathogenesis

Respiratory viruses, such as the 2009 pandemic strain of influenza A virus (IAV, H1N1pdm09), target cells found in the human respiratory epithelium. These cells, which form a pseudostratified epithe...

Lactobacilli and other gastrointestinal microbiota of Peromyscus leucopus, reservoir host for agents of Lyme disease and other zoonoses in North America

The cricetine rodent Peromyscus leucopus is an important reservoir for several human zoonoses, including Lyme disease, in North America. Akin to hamsters, the white-footed deermouse has been unevenl...

Canfam_GSD: De novo chromosome-length genome assembly of the German Shepherd Dog (Canis lupus familiaris) using a combination of long reads, optical mapping, and Hi-C

Background The German Shepherd Dog (GSD) is one of the most common breeds on earth and has been bred for its utility and intelligence. It is often first choice for police and military work, as well...

Large domains of heterochromatin direct the formation of short mitotic chromosome loops

During mitosis chromosomes reorganise into highly compact, rod-shaped forms, thought to consist of consecutive chromatin loops around a central protein scaffold. Condensin complexes are involved in ...

Genome-wide transposon mutagenesis of paramyxoviruses reveals constraints on genomic plasticity: implications for vaccine and gene therapy

The antigenic and genomic stability of paramyxoviruses remains a mystery. Here, we evaluate the genetic plasticity of Sendai virus (SeV) and mumps virus (MuV), sialic acid-using paramyxoviruses that...

High-quality chromosome-level genomes of two tilapia species reveal their evolution of repeat sequences and sex chromosomes

Background Tilapias are one of the most farmed fishes that are coined as ‘aquatic chicken’ by the food industry. Like many other teleosts, Nile tilapia and blue tilapia exhibit very recent transitio...

Genome assembly and annotation of Macadamia tetraphylla

Macadamia is a kind of evergreen nut trees which belong to the Proteaceae family. The two commercial macadamia species, Macadamia integrifolia and M. tetraphylla, are highly prized for their edible ...

Genome sequencing of fiber flax cultivar Atlant Using Oxford Nanopore and Illumina Platforms

In this study, the genome of fiber flax cultivar Atlant was sequenced for the first time, using both Oxford Nanopore and Illumina platforms. For successful Nanopore sequencing, a protocol for extrac...

Chikungunya virus ECSA lineage reintroduction in the northeasternmost region of Brazil

The Northeast region of Brazil registered the second highest incidence proportion of chikungunya fever in 2019. In that year an outbreak consisting of patients presented with febrile disease associa...

Engineering the thermotolerant industrial yeast Kluyveromyces marxianus for anaerobic growth

Current large-scale, anaerobic industrial processes for ethanol production from renewable carbohydrates predominantly rely on the mesophilic yeast Saccharomyces cerevisiae. Use of thermotolerant, fa...

Chromosome-scale assembly of the Sparassis latifolia genome obtained using long-read and Hi-C sequencing

Sparassis latifolia is a valuable edible mushroom cultivated in China. In 2018, our research group reported an incomplete and low quality genome of S. latifolia was obtained by Illumina HiSeq 2500 s...

Colistin resistance in Acinetobacter baumannii is driven by multiple genomic traits: Evaluating the role of ISAba1-driven eptA overexpression among Indian isolates

Colistin resistance in Acinetobacter baumannii is mediated by multiple mechanisms. Recently, mutations within pmrAB two component system and overexpression of eptA due to upstream insertion of ISAba...

Sequencing of SARS CoV2 in local transmission cases through oxford nanopore MinION platform from Karachi Pakistan

The first case of severe acute respiratory syndrome 2 (SARS CoV2) was imported to Pakistan in February 2020 since then 10,258 deaths have been witnessed. The virus has been mutating and local transm...

West Nile virus detection in horses in three Brazilian states

We report genetic evidence of WNV circulation from southern and northeastern Brazilian states isolated from equine red blood cells. In the northeastern state the tenth human case was also detected, ...

Maribellus comscasis sp. nov., isolated from the deep-sea cold seep

A facultatively anaerobic, Gram-stain-negative, non-motile, curved rod-shaped bacterium, designated WC007T, was isolated from the deep-sea cold seep, P. R. China. Strain WC007T was found to grow at ...

Cultivation and characterization of a novel clade of deep-sea Chloroflexi: providing a glimpse of the phylum Chloroflexi involved in sulfur cycling

Chloroflexi bacteria are abundant and globally distributed in various unexplored biospheres on Earth. However, only few Chloroflexi members have been cultivated, hampering further understanding of t...

Benchmarking Oxford Nanopore read assemblers for high-quality molluscan genomes

Choosing the optimum assembly approach is essential to achieving a high-quality genome assembly suitable for comparative and evolutionary genomic investigations. Significant recent progress in long-...

Genomic diversity of Escherichia coli isolates from non-human primates in the Gambia

Increasing contact between humans and non-human primates provides an opportunity for the transfer of potential pathogens or antimicrobial resistance between host species. We have investigated genomi...

Mutations, recombination and insertion in the evolution of 2019-nCoV

Background The 2019 novel coronavirus (2019-nCoV or SARS-CoV-2) has spread more rapidly than any other betacoronavirus including SARS-CoV and MERS-CoV. However, the mechanisms responsible for infect...

Chromosome-scale genome assembly provides insights into speciation of allotetraploid and massive biomass accumulation of elephant grass (<i>Pennisetum purpureum</i> Schum.)

Elephant grass (Pennisetum purpureum Schum., A’A’BB, 2n=4x=28), which is characterized as robust growth and high biomass, and widely distributed in tropical and subtropical areas globally, is an imp...

Emergence of optrA-mediated linezolid resistance in multiple lineages and plasmids of Enterococcus faecalis revealed by long read sequencing

Objectives To characterise the genetic environment of optrA in linezolid-resistant Enterococcus faecalis isolates from Scotland. Methods Linezolid-resistant E. faecalis were identified in three Sco...

Chromosomal-level assembly of Juglans sigillata genome using Nanopore, BioNano, and Hi-C analysis

Background Juglans sigillata, or iron walnut, belonging to the order Juglandales, is an economically important tree species in Asia, especially in the Yunnan province of China. However, little rese...

Genomic investigation reveals contaminated detergent as the source of an extended-spectrum-β-lactamase-producing Klebsiella michiganensis outbreak in a neonatal unit

Klebsiella species are problematic pathogens in neonatal units and may cause outbreaks, for which the sources of transmission may be challenging to elucidate. We describe the use of whole-genome seq...

A spontaneous complex structural variant in rcan-1 increases exploratory behavior and laboratory fitness of Caenorhabditis elegans

Over long evolutionary timescales, major changes to the copy number, function, and genomic organization of genes occur, however, our understanding of the individual mutational events responsible for...

Laboratory evolution experiments help identify a predominant region of constitutive stable DNA replication initiation

The bacterium E. coli can initiate replication in the absence of the replication initiator protein DnaA and / or the canonical origin of replication oriC in a ΔrnhA background. This phenomenon, whic...

Comparative genome analysis of Scutellaria baicalensis and Scutellaria barbata reveals the evolution of active flavonoid biosynthesis

Scutellaria baicalensis and Scutellaria barbata, common medicinal plants of the Lamiaceae family, produce specific flavonoid compounds with antioxidant and antitumor activities, including baicalein,...

First draft genome of the trypanosomatid Herpetomonas muscarum ingenoplastis through MinION Oxford Nanopore Technology and Illumina Sequencing

Here, we present first draft genome sequence of the trypanosomatid Herpetomonas muscarum ingenoplastis. This parasite was isolated repeatedly in the black blowfly, Phormia regina, and it forms a phy...

Rapid and accurate species identification of mitis group Streptococci using the MinION Nanopore sequencer

Differentiation between mitis group streptococci (MGS) bacteria in routine laboratory tests has become important for obtaining accurate epidemiological information on the characteristics of MGS and ...

Data of de novo genome assembly of the Chlamydia psittaci strain isolated from the livestock in Volga Region, Russian Federation

Chlamydiae are obligate intracellular bacteria globally widespread across humans, wildlife, and domesticated animals. Chlamydia psittaci is a primarily zoonotic pathogen with multiple hosts, which c...

Yersinia canariae sp. nov., isolated from a human yersiniosis case

A Gram-negative rod from the Yersinia genus was isolated from a clinical case of yersiniosis in the United Kingdom. Long read sequencing data from an Oxford Nanopore Technology (ONT) MinION in conju...

Whole-genome sequencing and analysis of the Chinese herbal plant Gelsemium elegans

Background Gelsemium elegans (G. elegans) (2n = 2x = 16) is genus of flowering plants belonging to the Gelsemicaeae family. Method Here, a high-quality genome assembly using the Oxford Nanopore T...

The human Origin Recognition Complex is essential for pre-RC assembly, mitosis and maintenance of nuclear structure

The Origin Recognition Complex (ORC) cooperates with CDC6, MCM2-7, and CDT1 to form pre- RC complexes at origins of DNA replication. Here we report tiling-sgRNA CRISPR screens that show that each su...

Development of an NGS-based workflow for improved monitoring of circulating plasmids in support of risk assessment of antimicrobial resistance gene dissemination

Antimicrobial resistance (AMR) is one of the most prominent public health threats. AMR genes localized on plasmids can be easily transferred between bacterial isolates by horizontal gene transfer, t...

Comparative genomics of muskmelon reveals a potential role for retrotransposons in the modification of gene expression

Melon exhibits substantial natural variation especially in fruit ripening physiology, including both climacteric (ethylene-producing) and non-climacteric types. However, genomic mechanisms underlyin...

Genomic background of the Klebsiella pneumoniae NDM-1 outbreak in Poland, 2012-18

Objectives To characterize genomes of Klebsiella pneumoniae ST11 NDM-1 responsible for a countrywide outbreak in Poland and compare them phylogenetically with other Polish and international ST11 st...

P-elements strengthen reproductive isolation within the Drosophila simulans species complex

Determining mechanisms that underlie reproductive isolation is key to understanding how species boundaries are maintained in nature. Transposable elements (TEs) are ubiquitous across eukaryotic geno...

Complete genome sequence of the fire blight pathogen Erwinia amylovora strain Ea1189

Erwinia amylovora causes fire blight, the most devastating bacterial disease of apples and pears in the United States and worldwide. The model strain E. amylovora Ea1189 has been extensively used to...

HASLR: Fast Hybrid Assembly of Long Reads

Third-generation sequencing technologies from companies such as Oxford Nanopore and Pacific Biosciences have paved the way for building more contiguous and potentially gap-free assemblies. The large...

First genomic characterization of blaVIM-1 and mcr-9-coharbouring Enterobacter hormaechei isolated from food of animal origin

We describe here the complete genome sequence of an Enterobacter hormaechei ST279 coharbouring blaVIM-1 and mcr-9 recovered from uncooked beef patty in June 2017, Egypt. The tested isolate was resis...

Novel IncFII plasmid harbouring blaNDM-4 in a carbapenem-resistant Escherichia coli of pig origin, Italy

Objectives To the best of our knowledge, we describe the first evidence in Europe of an MDR, blaNDM-4-positive Escherichia coli isolated from a food-producing animal, harboured by a novel IncFII pl...

High-quality genome assembly of Fusarium oxysporum f. sp. Lini

In the present work, a highly pathogenic isolate of Fusarium oxysporum f. sp. lini, which is the most harmful pathogen affecting flax (Linum usitatissimum L.), was sequenced for the first time. To a...

Chromosome-level genome assembly of the female western mosquitofish (Gambusia affinis)

Background The western mosquitofish (Gambusia affinis) is a sexually dimorphic poeciliid fish known for its worldwide biological invasion and therefore an important research model for studying inva...

A novel canis lupus familiaris reference genome improves variant resolution for use in breed-specific GWAS

Reference genome fidelity is critically important for genome wide association studies, yet most vary widely from the study population. A typical whole genome sequencing approach implies short-read t...

Unearthing the genes of plant-beneficial marine yeast - Wickerhamomyces anomalus strain MSD1

The de novo genome of unique marine yeast, Wickerhamomyces anomalus isolated from seaweed along Indian coast is presented. The genome assembly was carried out using MaSurCA assembler that generated ...

Herpes Simplex Virus type 1 co-Infection leads to the formation of rolling circle amplification-like adeno-associated virus DNA replication products

Adeno-associated virus (AAV) genome replication only occurs in the presence of a co-infecting helper virus such as adenovirus type 5 (AdV5) or herpes simplex virus type 1 (HSV-1). AdV5-supported rep...

Intraspecies plasmid and genomic variation of Mycobacterium kubicae revealed by the complete genome sequences of two clinical isolates

Mycobacterium kubicae is 1 of nearly 200 species of nontuberculous mycobacteria (NTM), environmental micro-organisms that in some situations can infect humans and cause severe lung, skin and soft ti...

Detection and molecular characterisation of SARS-CoV-2 in farmed mink (Neovision vision) in Poland

SARS-CoV-2 is the aetiological agent of COVID-19 disease and has been spreading worldwide since December 2019. The virus has been shown to infect different animal species under experimental conditio...

Dynamic Methylome Modification associated with mutational signatures in ageing and etiology of disease

Epigenetic markers and reversible change in the loci of genes regulating critical cell processes, have recently emerged as important biomarkers in the study of disease pathology. The epigenetic chan...

Novel multicellular prokaryote discovered next to an underground stream

The emergence of multicellularity is a key event in the evolution of life and is an attractive challenge among researchers, including those investigating the artificial design of cellular behavior. ...

Complete genome sequence of ovine Mycobacterium avium subsp. paratuberculosis strain JIII-386 (MAP-S/type III) and its comparison to MAP-S/type I, MAP-C, and M. avium complex genomes

Mycobacterium avium (M. a.) subsp. paratuberculosis (MAP) is a worldwide-distributed obligate pathogen in ruminants causing Johne’s disease. Due to a lack of complete subtype III genome sequences, t...

Chromosome-level genome assembly of a regenerable maize inbred line A188

The highly embryogenic and transformable maize inbred line A188 is an attractive model for analyzing maize gene function. Here we constructed a chromosome-level genome assembly of A188 using long re...

Sequencing and analysis of Arabidopsis thaliana NOR2 reveal its distinct organization and tissue-specific expression of rRNA ribosomal variants

Despite vast differences between organisms, some characteristics of their genomes are conserved, such as the nucleolus organizing region (NOR). The NOR is constituted of multiple, highly repetitive ...

Genome structure and content of the rice root‐knot nematode (Meloidogyne graminicola)

Discovered in the 1960s, Meloidogyne graminicola is a root‐knot nematode species considered as a major threat to rice production. Yet, its origin, genomic structure, and intraspecific diversity are ...

Tripartite holobiont system in a vent snail broadens the concept of chemosymbiosis

Many animals inhabiting deep-sea vents are energetically dependent on chemosynthetic endosymbionts, but how such symbiont community interacts with host, and whether other nutritional sources are ava...

First genome of Labyrinthula, an opportunistic seagrass pathogen, reveals novel insight into marine protist phylogeny, ecology and CAZyme cell-wall degradation

Labyrinthula spp. are saprobic, marine protists that also act as opportunistic pathogens and are the causative agents of seagrass wasting disease (SWD). Despite the threat of local- and large-scale ...

The genome of the American groundhog, Marmota monax

We sequenced the genome of the North American groundhog, Marmota monax, also known as the woodchuck. Our sequencing strategy included a combination of short, high-quality Illumina reads plus long re...

Comparison of Rhesus and Cynomolgus macaques as an authentic model for COVID-19

A novel coronavirus, SARS-CoV-2, has been identified as the causative agent of the current COVID-19 pandemic. Animal models, and in particular non-human primates, are essential to understand the pat...

Breakpoint mapping of a t(9;22;12) chronic myeloid leukaemia patient with e14a3 BCR‐ABL1 transcript using Nanopore sequencing

Background The genetic changes in chronic myeloid leukaemia (CML) have been well established, although challenges persist in cases with rare fusion transcripts or complex variant translocations. H...

Dual symbiosis in the deep-sea hydrothermal vent snail Gigantopelta aegis revealed by its hologenome

Animals endemic to deep-sea hydrothermal vents often form obligatory relationships with bacterial symbionts, maintained by intricate host-symbiont interactions. Endosymbiosis with more than one symb...

Extraintestinal pathogenic (ExPEC) lineages explain prolonged faecal carriage of travel-acquired extended-spectrum β-lactamase-producing Escherichia coli

International travel contributes significantly to the spread of extended-spectrum β-lactamase (ESBL) gene positive Escherichia coli (ESBL-Ec). We investigated bacterial determinants associated with ...

Genomic region associated with pod color variation in pea (Pisum sativum)

Pea (Pisum sativum) was chosen as the research material by Gregor Mendel to discover the laws of inheritance. Out of seven traits studied by Mendel, genes controlling three traits including pod shap...

Decoding the architecture of the varicella-zoster virus transcriptome

Varicella-zoster virus (VZV), a double-stranded DNA virus, causes varicella, establishes lifelong latency in ganglionic neurons, and reactivates later in life to cause herpes zoster, commonly associ...

Rapid divergence of the copulation proteins in the Drosophila dunni group is associated with hybrid post-mating-prezygotic incompatibilities

Proteins involved in post-copulatory interactions between males and females are among the fastest evolving genes in many species and this has been attributed to reproductive conflict. Likely as a re...

The iron-responsive genome of the chiton Acanthopleura granulata

Molluscs biomineralize structures that vary in composition, form, and function, prompting questions about the genetic mechanisms responsible for their production and the evolution of these mechanism...

Microbiome dataset analysis from a shrimp pond in Ninh Thuan, Vietnam using shotgun metagenomics

Vietnam is one of the top shrimp producing and exporting countries in the world. However, viral and bacterial epidemic diseases cause severe damages to shrimp farming, resulting in millions of US do...

Amplicon and metagenomic analysis of MERS-CoV and the microbiome in patients with severe Middle East respiratory syndrome (MERS)

Middle East Respiratory Syndrome coronavirus (MERS-CoV) is a zoonotic infection that emerged in the Middle East in 2012. Symptoms range from mild to severe and include both respiratory and gastroint...

A chromosome-scale genome assembly of a diploid alfalfa, the progenitor of autotetraploid alfalfa

Alfalfa (Medicago sativa L.) is one of the most important and widely cultivated forage crops. It is commonly used as a vegetable and medicinal herb because of its excellent nutritional quality and s...

Lack of evidence of ACE2 expression and replicative infection by SARS-CoV-2 in human endothelial cells

A striking feature of severe COVID-19 is thrombosis in large as well as small vessels of multiple organs. This has led to the assumption that SARS-CoV-2 virus directly infects and damages the vascul...

Prophage-dependent recombination drives genome structural variation and phenotypic heterogeneity in Escherichia coli O157:H7

The human zoonotic pathogen Escherichia coli O157 is defined by its extensive prophage repertoire including those that encode Shiga toxin, the factor responsible for inducing life-threatening pathol...

Rapid selection response to ethanol in S. eubayanus emulates the domestication process under brewing conditions

Although the typical genomic and phenotypic changes that characterize the evolution of organisms under the human domestication syndrome represent textbook examples of rapid evolution, the molecular ...

Multiple clones of colistin-resistant Salmonella enterica carrying mcr-1 plasmids in meat products and patients in Northern Thailand

Salmonella spp. is an important foodborne pathogen associated with consumption of contaminated food, especially livestock products. Antimicrobial resistance (AMR) in Salmonella has been reported glo...

Genomic insights on DNase production in Streptococcus agalactiae ST17 and ST19 strains

Streptococcus agalactiae evasion from the human defense mechanisms has been linked to the production of DNases. These were proposed to contribute to the hypervirulence of S. agalactiae ST17/capsular...

A fluoroquinolone-sensitive Shigella sonnei UKMCC1015 downregulates the expression of ribosomal proteins in response to sub-lethal concentration of norfloxacin

Shigella spp. commonly causes gastroenteritis known as shigellosis, and severe cases require antibiotic treatments. However, the increased presence of antibiotics in the environment in recent years ...

Pseudodesulfovibrio cashew sp. nov., a novel deep-sea sulfate-reducing bacterium, linking heavy metal resistance and sulfur cycle

Sulfur cycling is primarily driven by sulfate reduction mediated by sulfate-reducing bacteria (SRB) in marine sediments. The dissimilatory sulfate reduction drives the production of enormous quantit...

Genomic epidemiology of Escherichia coli isolates from a tertiary referral center in Lilongwe, Malawi

Antimicrobial resistance (AMR) is a global threat, including in sub-Saharan Africa. However, little is known about the genetics of resistant bacteria in the region. In Malawi, there is growing conce...

A highly contiguous genome assembly of Brassica nigra (BB) and revised nomenclature for the pseudochromosomes

Background Brassica nigra (BB), also called black mustard, is grown as a condiment crop in India. B. nigra represents the B genome of U’s triangle and is one of the progenitor species of B. juncea ...

VIRUSBreakend: viral integration recognition using single breakends

Integration of viruses into infected host cell DNA can causes DNA damage and can disrupt genes. Recent cost reductions and growth of whole genome sequencing has produced a wealth of data in which vi...

Molecular evolutionary trends and biosynthesis pathways in the Oribatida revealed by the genome of Archegozetes longisetosus

Background Oribatid mites are a specious order of microarthropods within the subphylum Chelicerata, compromising about 11,000 described species. They are ubiquitously distributed across different mi...

Mosaic antimicrobial resistance/virulence plasmid in hypervirulent ST2096 Klebsiella pneumoniae in India: The rise of a new superbug?

Hypervirulent K. pneumoniae (HvKp) is typically associated with ST23 clone; however, hvKp is also emerging from clones ST11, ST15 and ST147, which are also multi-drug resistant (MDR). Here, we aimed...

Chromosome‐level genome assembly of the aphid parasitoid Aphidius gifuensis using Oxford Nanopore sequencing and Hi‐C technology

Aphidius gifuensis is a parasitoid wasp that has been commercially bred and released in large scale as a biocontrol agent for the management of aphid pests. As a highly efficient endoparasitoid, it ...

Highly contiguous assemblies of 101 drosophilid genomes

Over 100 years of studies in Drosophila melanogaster and related species in the genus Drosophila have facilitated key discoveries in genetics, genomics, and evolution. While high-quality genome asse...

Hapo-G, Haplotype-Aware Polishing Of Genome assemblies

Single-molecule sequencing technologies have recently been commercialized by Pacific Biosciences and Oxford Nanopore with the promise of sequencing long DNA fragments (kilobases to megabases order) ...

Manual annotation of genes within Drosophila species: the Genomics Education Partnership protocol

Annotating the genomes of multiple organisms allows us to study their genes as well as the evolution of those genes. While many eukaryotic genome assemblies already include computational gene predic...

Whole plastid genome-based phylogenomics supports an inner placement of the O. insectifera group rather than a basal position in the rapidly diversifying Ophrys genus (Orchidaceae)

Some lineages of the Orchid genus Ophrys exhibit among the highest diversification rates reported so far. As a consequence of a such intense and rapid evolution, the systematics and the taxonomy of ...

Genome evolution in bacteria isolated from million-year-old subseafloor sediments

Deep below the seafloor, microbial life subsists in isolation from the surface world under perpetual energy limitation. The extent to which subsurface microbes evolve and adapt to their subseafloor ...

Truncated denitrifiers dominate the denitrification pathway in tundra soil metagenomes

In contrast to earlier assumptions, there is now mounting evidence for the role of tundra soils as important sources of the greenhouse gas nitrous oxide (N2O). However, the microorganisms involved i...

Real time, field-deployable whole genome sequencing of malaria parasites using nanopore technology

Malaria parasite genomes have been generated predominantly using short read sequencing technology which can be slow, requires advanced laboratory training and does not adequately interrogate complex...

Long-read assemblies reveal structural diversity in genomes of organelles - an example with Acacia pycnantha

Although organelle genomes are typically represented as single, static, circular molecules, there is evidence that the chloroplast genome exists in two structural haplotypes and that the mitochondri...

Gross chromosomal rearrangements in Kluyveromyces marxianus revealed by Illumina and Oxford Nanopore Sequencing

Kluyveromyces marxianus (K. marxianus) is an increasingly popular industrially relevant yeast. It is known to possess a highly efficient non-homologous end joining (NHEJ) pathway that promotes rando...

Detecting and phasing minor single-nucleotide variants from long-read sequencing data

Cellular genetic heterogeneity is common in many biological conditions including cancer, microbiome, co-infection of multiple pathogens. Detecting and phasing minor variants, which is to determine w...

Draft genome of Meyerozyma guilliermondii strain vka1: a yeast strain with composting potential

Background Meyerozyma guilliermondii is a yeast which could be isolated from a variety of environments. The vka1 strain isolated and purified from the organic compost was found to have composting p...

A novel blaCTX-M-6Harboring IncHI2 plasmid pE648CTX-M-65 isolated from a clinical extensively-drug-resistant Escherichia coli ST648

Background: An ESBL, carbapenemase- and MCR-1-producing Escherichia coli ST648 strain was isolated from the urine sample of a patient in a Chinese tertiary hospital in 2016. Methods: The strain was ...

Phages weaponize their bacteria with biosynthetic gene clusters

Bacteria produce many different specialized metabolites, which are encoded by biosynthetic gene clusters (BGCs). Despite high industrial relevance owing to broad bioactive potential of these metabol...

Comprehensive comparative genomics reveals over 50 phyla of free-living and pathogenic bacteria are associated with diverse members of the Amoebozoa

The association of bacteria with microbial eukaryotes has been extensively studied. Among these the supergroup Amoebozoa containing predominantly amoeboid unicellular protists has been shown to play...

Transposon-insertion sequencing in a clinical isolate of Legionella pneumophila identifies essential genes and determinants of natural transformation

Legionella pneumophila is a Gram-negative bacterium ubiquitous in freshwater environments which, if inhaled, can cause a severe pneumonia in humans. The emergence of L. pneumophila is linked to seve...

Characterization of emerging swine viral diseases through Oxford Nanopore Sequencing using Senecavirus A as a model

Emerging viral infectious diseases present a major threat to the global swine industry. Since 2015, Senecavirus A (SVA) has been identified as a cause of vesicular disease in different countries and...

Genomic analysis of Caldalkalibacillus thermarum TA2.A1 reveals aerobic alkaliphilic metabolism and evolutionary hallmarks linking alkaliphilic bacteria and plant life

The aerobic thermoalkaliphile Caldalkalibacillus thermarum strain TA2.A1 is a member of a separate order of alkaliphilic bacteria closely related to the Bacillales order. Efforts to relate the genom...

Complete genome of a methicillin-resistant Staphylococcus vitulinus from Danish grounded beef meat carrying a mecA2 resistance gene and a novel ccr allotype

Objectives To report the complete genome sequence of a methicillin-resistant Staphylococcus vitulinus from ground beef to allow comparison with other available S. vitulinus genomes and to investiga...

Sensitive alignment using paralogous sequence variants improves long-read mapping and variant calling in segmental duplications

The ability to characterize repetitive regions of the human genome is limited by the read lengths of short-read sequencing technologies. Although long-read sequencing technologies such as Pacific Bi...

Rapid profiling of drug-resistant bacteria using DNA-binding dyes and a nanopore-based DNA sequencer

Spread of drug-resistant bacteria is a serious problem worldwide. We thus designed a new sequence-based protocol that can quickly identify bacterial compositions of clinical samples and their drug-r...

Chromosome-scale assembly of the genome of Salix dunnii reveals a male-heterogametic sex determination system on chromosome 7

Sex determination systems in plants can involve either female or male heterogamety (ZW or XY, respectively). Here we used Illumina short reads, Oxford Nanopore Technologies (ONT) long reads, and Hi-...

Spirochetes isolated from arthropods constitute a novel genus Entomospira genus novum within the order Spirochaetales

Spirochetal bacteria were successfully isolated from mosquitoes (Culex pipiens, Aedes cinereus) in the Czech Republic between 1999 and 2002. Preliminary 16S rRNA phylogenetic sequence analysis showe...

Two SARS-CoV-2 genome sequences of isolates from rural U.S. patients harboring the D614G mutation, obtained using Nanopore Sequencing

Two coding-complete sequences of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) were obtained from samples from two patients in Arkansas, in the southeastern corner of the United State...

Immunological and pathological outcomes of SARS-CoV-2 challenge after formalin-inactivated vaccine immunisation of ferrets and rhesus macaques

There is an urgent requirement for safe and effective vaccines to prevent novel coronavirus disease (COVID-19) caused by SARS-CoV-2. A concern for the development of new viral vaccines is the potent...

The Ensembl COVID-19 resource: Ongoing integration of public SARS-CoV-2 data

The Ensembl COVID-19 browser (covid-19.ensembl.org) was launched in May 2020 in response to the ongoing pandemic. It is Ensembl’s contribution to the global efforts to develop treatments, diagnostic...

Genetic structure of SARS-CoV-2 in Western Germany reflects clonal superspreading and multiple independent introduction events

We whole-genome sequenced 55 SARS-CoV-2 isolates from Western Germany and investigated the genetic structure of SARS-CoV-2 outbreaks in the Heinsberg district and Düsseldorf. While the genetic struc...

Alternate primers for whole-genome SARS-CoV-2 sequencing

As the world is struggling to control the novel Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), there is an urgency to develop effective control measures. Essential information is enco...

Amplicon-based, next-generation sequencing approaches to characterize single nucleotide polymorphisms of orthohantavirus species

Whole-genome sequencing (WGS) of viruses from patient or environmental samples can provide tremendous insight into the epidemiology, drug resistance or evolution of a virus. However, we face two com...

Acquisition of a genomic resistance island (AbGRI5) from global clone 2 through homologous recombination in a clinical Acinetobacter baumannii isolate

Objectives To reconstruct the evolutionary history of the clinical Acinetobacter baumannii XH1056, which lacks the Oxford scheme allele gdhB. Methods Susceptibility testing was performed using br...

The emergence of inter-clade hybrid SARS-CoV-2 lineages revealed by 2D nucleotide variation mapping

I performed whole-genome sequencing on SARS-CoV-2 collected from COVID-19 samples at Mayo Clinic Rochester in mid-April, 2020, generated 85 consensus genome sequences and compared them to other geno...

Genome diversity and quorum sensing variations in laboratory strains of Pseudomonas aeruginosa PAO1

The Pseudomonas aeruginosa strain PAO1 has routinely been used as a laboratory model for quorum sensing (QS) studies due to its extensively coordinated regulatory circuits. However, the microevoluti...

Systematic benchmarking of tools for CpG methylation detection from Nanopore sequencing

DNA methylation plays a fundamental role in the control of gene expression and genome integrity. Although there are multiple tools that enable its detection from Nanopore sequencing, their accuracy ...

The discovery, distribution and diversity of DNA viruses associated with Drosophila melanogaster in Europe

Drosophila melanogaster is an important model for antiviral immunity in arthropods, but very few DNA viruses have been described in association with the Drosophilidae. This has limited the opport...

Salmonella Typhi acquires diverse plasmids from other Enterobacteriaceae to develop cephalosporin resistance

Background Recent reports have established the emergence and dissemination of extensively drug resistant (XDR) H58 Salmonella Typhi clone in Pakistan. In India where typhoid fever is endemic, only s...

Evaluation of assembly methods combining long-reads and short-reads to obtain Paenibacillus sp. R4 high-quality complete genome

We sequenced the Paenibacillus sp. R4 using Oxford Nanopore Technology (ONT), single molecule real-time (SMRT) technology from Pacific Biosciences (PacBio), and Illumina technologies to investigate ...

A chromosome‐scale assembly of allotetraploid Brassica juncea (AABB) elucidates comparative architecture of the A and B genomes

Brassica juncea (AABB), commonly referred to as mustard, is a natural allopolyploid of two diploid species—B. rapa (AA) and B. nigra (BB). We report a highly contiguous genome assembly of an oleifer...

Strain-level sample characterisation using long reads and MAPQ scores

A simple but effective method for strain-level characterisation of microbial samples using long read data is presented. The method, which relies on having a non-redundant database of reference genom...

High resolution copy number inference in cancer using short-molecule nanopore sequencing

Genome copy number is an important source of genetic variation in health and disease. In cancer, clinically actionable Copy Number Alterations (CNAs) can be inferred from short-read sequencing data,...

Diagnostic accuracy of Loop mediated isothermal amplification coupled to Nanopore sequencing (LamPORE) for the detection of SARS-CoV-2 infection at scale in symptomatic and asymptomatic populations

Introduction Rapid, high throughput diagnostics are a valuable tool, allowing the detection of SARS-CoV-2 in populations, in order to identify and isolate people with asymptomatic and symptomatic i...

Sequencing of E. coli strain UTI89 on multiple sequencing platforms

Objectives The availability of matched sequencing data for the same sample across different sequencing platforms is a necessity for validation and effective comparison of sequencing platforms. A c...

The genomic and transcriptomic foundations of viviparous seed development in mangroves

Vivipary in plants refers to a specific seed development and reproductive strategy where seeds minimize the dormancy stage and germinate while still attached to their maternal plants. It is one of t...

Slaying the last unicorn - discovery of histones in the microalga Nanochlorum eucaryotum

Histones are the principal constituents of eukaryotic chromatin. The four core histones (H2A, H2B, H3, and H4) are conserved across sequenced eukaryotic genomes and therefore thought to be universal...

Single molecule, near full-length genome sequencing of dengue virus

Current methods for dengue virus (DENV) genome amplification, amplify parts of the genome in at least 5 overlapping segments and then combine the output to characterize a full genome. This process i...

Limited and strain-specific transcriptional and growth responses to acquisition of a multidrug resistance plasmid in genetically diverse Escherichia coli lineages

Multi-drug resistant (MDR) Escherichia coli are a major global threat to human health, wherein multi-drug resistance is primarily spread by MDR plasmid acquisition. MDR plasmids are not widely distr...

Free-living psychrophilic bacteria of the genus Psychrobacter are descendants of pathobionts

Host-adapted microbiota are generally thought to have evolved from free-living ancestors. This process is in principle reversible, but examples are few. The genus Psychrobacter (family Moraxellaceae...

Comparative genomic analysis of Mycobacterium tuberculosis reveals evolution and genomic instability within Uganda I sub-lineage

Introduction Tuberculosis (TB) is the leading cause of morbidity and mortality globally, responsible for an estimated annual 10.0 million new cases and 1.3 million deaths among infectious diseases w...

Combining protein-based transcriptome assembly, and efficient MinION long read sequencing for targeted transcript sequencing in orphan species

Orphan species that are evolutionarily distant from their closest sequenced/assembled neighbour provide a significant challenge in terms of gene or transcript assembly for functional analysis. This ...

The major satellite DNA families of the diploid Chenopodium album aggregate species: Arguments for and against the “library hypothesis”

Satellite DNA (satDNA) is one of the major fractions of the eukaryotic nuclear genome. Highly variable satDNA is involved in various genome functions, and a clear link between satellites and phenoty...

Poxviruses capture host genes by LINE-1 retrotransposition

Horizontal gene transfer (HGT) provides a major source of genetic variation. Many viruses, including poxviruses, encode genes with crucial functions directly gained by gene transfer from hosts. The ...

VirION2: a short- and long-read sequencing and informatics workflow to study the genomic diversity of viruses in nature

Microbes play fundamental roles in shaping natural ecosystem properties and functions, but do so under constraints imposed by their viral predators. However, studying viruses in nature can be challe...

Analysis of complete Campylobacter concisus genomes identifies genomospecies features, secretion systems and novel plasmids and their association with severe ulcerative colitis

Campylobacter concisus is an emerging enteric pathogen that is associated with several gastrointestinal diseases, such as inflammatory bowel disease (IBD), which includes Crohn’s disease (CD) and ul...

An exploration of assembly strategies and quality metrics on the accuracy of the Knightia excelsa (rewarewa) genome.

Background We used long read sequencing data generated from Knightia excelsaI R.Br, a nectar producing Proteaceae tree endemic to Aotearoa New Zealand, to explore how sequencing data type, volume an...

Novel SARS-CoV-2 Whole-genome sequencing technique using Reverse Complement PCR enables fast and accurate outbreak analysis

Current transmission rates of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are still increasing and many countries are facing second waves of infections. Rapid SARS-CoV-2 whole genom...

Evolution and adaptation of Pseudomonas aeruginosa in the paranasal sinuses of people with cystic fibrosis

People with the genetic disorder cystic fibrosis (CF) harbor lifelong respiratory infections, with morbidity and mortality frequently linked to chronic lung infections dominated by the opportunistic...

Transcriptional response to host chemical cues underpins expansion of host range in a fungal plant pathogen lineage

The host range of parasites is an important factor in assessing the dynamics of disease epidemics. The evolution of pathogens to accommodate new hosts may lead to host range expansion, a process the...

Addition of daptomycin to levofloxacin increased the efficacy of levofloxacin monotherapy against a methicillin-susceptible Staphylococcus aureus strain in experimental meningitis and prevented development of resistance

Daptomycin and levofloxacin were tested as monotherapies and in combination against the antibiotic-susceptible S. aureus strain MSSA 1112 in a rabbit meningitis model and the effect of the combinati...

Identifying virulence determinants of multidrug-resistant Klebsiella pneumoniae in Galleria mellonella

Infections caused by Klebsiella pneumoniae are a major public health threat. Extensively drug-resistant and even pan-resistant strains have been reported. Understanding K. pneumoniae pathogenesis is...

Genetic diversity of blaKPC-gene-containing IncF plasmids from epidemiologically related and unrelated Enterobacteriaceae

Background Limited information is available on whether blaKPC-containing plasmids from isolates in a hospital outbreak can be differentiated from epidemiologically unrelated blaKPC-containing plasmi...

Genome ARTIST_v2 software – a support for annotation of class II natural transposons in new sequenced genomes

Transposon annotation is a very dynamic field of genomics and various tools assigned to support this bioinformatics endeavor were reported. Genome ARTIST (GA) software was initially developed for ma...

Choice of library preparation and its effects on sequence quality, assembly, and precise in silico prediction of virulence genes in shiga toxin producing E.coli

Whole genome sequencing (WGS) provides essential public health information and is used worldwide for pathogen surveillance, epidemiology, and source tracking. The sequencing of foodborne pathogens i...

Emergence of a cephalosporin reduced susceptible Neisseria gonorrhoeae clone between 2014-2019 in Amsterdam, the Netherlands, revealed by a genomic population analysis

Emerging resistance to cephalosporins in Neisseria gonorrhoeae (Ng) is a major public health threat, since these are considered antibiotics of last resort. Continuous surveillance is needed to monit...

Human genomics of the humoral immune response against polyomaviruses

Human polyomaviruses are widespread in human populations and are able to cause severe disease in immunocompromised individuals. There remains an incomplete understanding of the potential impact of h...

Genomic and morphologic characterization of a planktonic Thiovulum (Campylobacterota) dominating the surface waters of the sulfidic Movile Cave, Romania

Life in Movile Cave (Romania) relies entirely on primary carbon fixation by bacteria oxidizing sulfide, methane and ammonia with oxygen, nitrate, sulfate, and ferric iron. There, large spherical-ovo...

Genome skimming and NMR chemical fingerprinting provide quality assurance biotechnology to validate Sarsaparilla identity and purity

Sarsaparilla is a popular natural health product (NHP) that has been reported to be one of the most adulterated botanicals in the marketplace. Several plausible explanations are documented including...

Chromosome-scale genome assembly for the duckweed Spirodela intermedia, integrating cytogenetic maps, PacBio and Oxford Nanopore libraries

Duckweeds are small, free-floating, morphologically highly reduced organisms belonging to the monocot order Alismatales. They display the most rapid growth among flowering plants, vary ~ 14-fold in ...

Analysis of genomes of bacterial isolates from lameness outbreaks in broilers

We investigated lameness outbreaks at commercial broiler farms in Arkansas. From Bacterial Chondronecrosis with Osteomyelitis (BCO) lesions, we isolated several distinct bacterial species. The resul...

Neocentromeres lack epigenetic memory and hallmarks of native centromeres in Cryptococcus deuterogattii

Deletion of native centromeres in the human fungal pathogen Cryptococcus deuterogattii leads to neocentromere formation. Native centromeres span truncated transposable elements, while neocentromeres...

Practical probabilistic and graphical formulations of long-read polyploid haplotype phasing

Resolving haplotypes in polyploid genomes using phase information from sequencing reads is an important and challenging problem. We introduce two new mathematical formulations of polyploid haplotype...

IS26-mediated amplification of blaOXA-1 and blaCTX-M-15 with concurrent outer membrane porin disruption associated with de novo carbapenem resistance in a recurrent bacteraemia cohort

Background Approximately half of clinical carbapenem-resistant Enterobacterales (CRE) isolates lack carbapenem-hydrolysing enzymes and develop carbapenem resistance through alternative mechanisms. ...

Investigating hospital Mycobacterium chelonae infection using whole genome sequencing and hybrid assembly

Mycobacterium chelonae is a rapidly growing nontuberculous mycobacterium that is a common cause of nosocomial infections. Here we describe investigation of a possible nosocomial transmission of M. c...

Characterization and engineering of Streptomyces griseofuscus DSM 40191 as a Potential Host for heterologous expression of biosynthetic gene clusters

Streptomyces griseofuscus DSM 40191 is a fast growing Streptomyces strain that remains largely underexplored as a heterologous host. Here, we report the genome mining of S. griseofuscus, followed by...

Engineering radioprotective human cells using the tardigrade Damage Suppressor Protein, DSUP

Spaceflight has been documented to produce a number of detrimental effects to physiology and genomic stability, partly a result of Galactic Cosmic Radiation (GCR). In recent years, extensive researc...

High quality genome assemblies of Mycoplasma bovis using a taxon-specific Bonito basecaller for MinION and Flongle long-read nanopore sequencing

Background Implementation of Third-Generation Sequencing approaches for Whole Genome Sequencing (WGS) all-in-one diagnostics in human and veterinary medicine, requires the rapid and accurate genera...

Chromosome-length genome assembly and structural variations of the primal Basenji dog (Canis lupus familiaris) genome

Background Basenjis are considered an ancient dog breed of central African origins that still live and hunt with tribesmen in the African Congo. Nicknamed the barkless dog, Basenjis possess unique p...

Rapid identification, capsular typing and molecular characterization of Streptococcus pneumoniae by using whole genome nanopore sequencing

Whole genome sequencing has emerged as a useful tool for identification and molecular characterization of pathogens. MinION (Oxford Nanopore) is a real-time third generation sequencer whose portabil...

Nucleotide-resolution bacterial pan-genomics with reference graphs

Bacterial genomes follow a U-shaped frequency distribution whereby most genomic loci are either rare (accessory) or common (core) - the alignable fraction of two genomes from a single species might ...

Will a new clade of SARS-CoV-2 imported into the community spark a fourth wave of the COVID-19 outbreak in Hong Kong?

Hong Kong has already been hit by three waves of the coronavirus disease 2019 (COVID-19) as of October 2020. More than 120 people were infected in the first round, which was triggered mainly by tour...

Metagenomic characterization of a harmful algal bloom using nanopore sequencing

Water bodies around the world are increasingly threatened by harmful algal blooms (HABs) under current trends of rising water temperature and nutrient load. Metagenomic characterization of HABs can...

Clostridium manihotivorum sp. nov., a novel mesophilic anaerobic bacterium that produces cassava pulp-degrading enzymes

Abstract Background Cassava pulp is a promising starch-based biomasses, which consists of residual starch granules entrapped in plant cell wall containing non-starch polysaccharides, cellulose...

Desert Dingo (Canis lupus dingo) genome provides insights into their role in the Australian ecosystem.

The dingo is Australia’s iconic top-order predator and arrived on the continent between 5,000-8,000 years ago. To provide an unbiased insight into its evolutionary affiliations and biological inter...

Rapid evolution and horizontal gene transfer in the genome of a male-killing Wolbachia

Wolbachia are widespread bacterial endosymbionts that infect a large proportion of insect species. While some strains of this bacteria do not cause observable host phenotypes, many strains of Wolbac...

Long-read assembly of the Brassica napus reference genome Darmor-bzh

Background The combination of long reads and long-range information to produce genome assemblies is now accepted as a common standard. This strategy not only allows access to the gene catalogue of a...

Draft genome assemblies and annotations of Agrypnia vestita walker, and Hesperophylax magnus banks reveal substantial repetitive element expansion in tube case-making caddisflies (Insecta: Trichoptera)

Trichoptera (caddisflies) play an essential role in freshwater ecosystems; for instance, larvae process organic material from the water and are food for a variety of predators. Knowledge on the geno...

Characterization of the first cultured free-living representative of Candidatus Izimaplasma uncovers its unique biology

Candidatus Izimaplasma, an intermediate in the reductive evolution from Firmicutes to Mollicutes, was proposed to represent a novel class of free-living wall-less bacteria within the phylum Tenericu...

Impact of transposable elements on the genome of the urban malaria vector Anopheles coluzzii

Background Anopheles coluzzii is one of the primary vectors of human malaria in sub-Saharan Africa. Recently, it has colonized the main cities of Central Africa threatening vector control programs. ...

Metabolic differentiation of co-occurring Accumulibacter clades revealed through genome-resolved metatranscriptomics

Microbial communities in their natural habitats consist of closely related populations that may exhibit phenotypic differences and inhabit distinct niches. However, connecting genetic diversity to e...

The female (XX) and male (YY) genomes provide insights into the sex determination mechanism in spinach

Sexual reproduction is the primary means of reproduction for the vast majority of macroscopic organisms, including almost all animals and plants. Sex chromosomes are predicted to play a central role...

Heterochiasmy facilitated the establishment of gsdf as a novel sex determining gene in Atlantic halibut

Atlantic Halibut (Hippoglossus hippoglossus) has a X/Y genetic sex determination system, but the sex determining factor is not known. We produced a high-quality genome assembly and identified parts ...

Chromosome-level de novo assembly of Coprinopsis cinerea A43mut B43mut pab1-1 #326 and genetic variant identification of mutants using Nanopore MinION sequencing

The homokaryotic Coprinopsis cinerea strain A43mut B43mut pab1-1 #326 is a widely used experimental model for developmental studies in mushroom-forming fungi. It can grow on defined artificial media...

Identification of a novel tetracycline resistance gene, tet(63), located on a multiresistance plasmid from Staphylococcus aureus

Objectives To identify and characterize a novel tetracycline resistance gene on a multiresistance plasmid from Staphylococcus aureus SA01 of chicken origin. Methods MICs were determined by broth ...

Evaluation of single-molecule sequencing technologies for structural variant detection in two Swedish Human Genomes

Long-read single molecule sequencing is increasingly used in human genomics research, as it allows to accurately detect large-scale DNA rearrangements such as structural variations (SVs) at high res...

Detection of plasmid contigs in draft genome assemblies using customized Kraken databases

Plasmids play an important role in bacterial evolution and mediate horizontal transfer of genes including virulence and antimicrobial resistance genes. Although short-read sequencing technologies ha...

Chlamydia gallinacea: genetically armed as a pathogen however a phenotypical commensal?

Chlamydia gallinacea is an obligate intracellular bacterium that has recently been added to the family of Chlamydiaceae. C. gallinacea is genetically diverse, widespread in poultry and a suspected c...

The de novo genome of the “Spanish” slug Arion vulgaris Moquin-Tandon, 1855 (Gastropoda: Panpulmonata): massive expansion of transposable elements in a major pest species

Background The “Spanish” slug, Arion vulgaris Moquin-Tandon, 1855, is considered to be among the 100 worst pest species in Europe. It is common and invasive to at least northern and eastern parts of...

Antibiotic sensitivity screening of Klebsiella spp. and Raoultella spp. isolated from Marine Bivalve Molluscs reveal presence of CTX-M-Producing K. pneumoniae

Klebsiella spp. are a major cause of both nosocomial and community acquired infections, with K. pneumoniae being responsible for most human infections. Although Klebsiella spp. are present in a vari...

Long-term persistence of crAss-like phage crAss001 is associated with phase variation in Bacteroides intestinalis

The crAss-like phages are ubiquitous and highly abundant members of the human gut virome that infect commensal bacteria of the order Bacteroidales. Although incapable of classical lysogeny, these vi...

Prevalence of hypervirulence-associated pathogenicity loci among Klebsiella pneumoniae bloodstream isolates at a United States Hospital

Klebsiella pneumoniae is a major threat to human health worldwide. “Classical” K. pneumoniae (cKp) strains commonly cause multidrug-resistant (MDR) infections in debilitated patients residing in hos...

Clinical and immunological benefits of convalescent plasma therapy in severe COVID-19: insights from a single center open label randomised control trial

Introduction A single center open label phase II randomised control trial was done to assess the pathogen and host-intrinsic factors influencing clinical and immunological benefits of passive immuni...

Combined epidemiological and genomic analysis of nosocomial SARS-CoV-2 transmission identifies community social distancing as the dominant intervention reducing outbreaks

Many healthcare facilities report SARS-CoV-2 outbreaks but transmission analysis is complicated by the high prevalence of infection and limited viral genetic diversity. The contribution of different...

Large scale sequencing of SARS-CoV-2 genomes from one region allows detailed epidemiology and enables local outbreak management

The COVID-19 pandemic has spread rapidly throughout the world. In the UK, the initial peak was in April 2020; in the county of Norfolk (UK) and surrounding areas, which has a stable, low-density pop...

Genomic epidemiology of COVID-19 in care homes in the East of England

COVID-19 poses a major challenge to care homes, as SARS-CoV-2 is readily transmitted and causes disproportionately severe disease in older people. Here, we report on 6,600 COVID-19 cases from the E...

Kinetics of viral load, immunological mediators and characterization of a SARS-CoV-2 isolate in mild COVID-19 patients during acute phase of infection

Over 95% of COVID-19 cases are mild-to-asymptomatic cases which contribute to disease transmission whereas most of the severe manifestations of the disease are observed in elderly and in patients wi...

The power and limitations of genomics to track COVID-19 outbreaks: a case study from New Zealand

Background Real-time genomic sequencing has played a major role in tracking the global spread and local transmission of SARS-CoV-2, contributing greatly to disease mitigation strategies. After effe...

Characterization of structural variation in Tibetans reveals new evidence of high-altitude adaptation and introgression

Structural variation (SV) acts as an essential mutational force shaping the evolution and function of the human genome. To investigate the role of SVs in high-altitude adaptation (HAA), we here gene...

Long-chain polyphosphates impair SARS-CoV-2 infection and replication: a route for therapy in man

Anti-viral activities of long-chain inorganic polyphosphates (PolyPs) against severe acute respiratory syndrome coronavirus (SARS-CoV)-2 infection were investigated. In molecular docking analyses, P...

Metagenomic next-generation sequencing of nasopharyngeal specimens collected from confirmed and suspect COVID-19 patients

Metagenomic next-generation sequencing (mNGS) offers an agnostic approach for emerging pathogen detection directly from clinical specimens. In contrast to targeted methods, mNGS also provides valuab...

Mycena genomes resolve the evolution of fungal bioluminescence

We present the genomes of five new bonnet mushroom Mycena species, formerly the last fungal bioluminescent lineage lacking reference genomes. These genome-scale datasets allowed us to construct an...

A Chromosome-Level Genome Assembly of Garlic (Allium sativum) Provides Insights into Genome Evolution and Allicin Biosynthesis

Garlic, an economically important vegetable, spice, and medicinal crop, produces highly enlarged bulbs and unique organosulfur compounds. Here, we report a chromosome-level genome assembly for gar...

A long read mapping method for highly repetitive reference sequences

About 5-10% of the human genome remains inaccessible for functional analysis due to the presence of repetitive sequences such as segmental duplications and tandem repeat arrays. To enable high-quali...

The circulating SARS-CoV-2 spike variant N439K maintains fitness while evading antibody-mediated immunity

SARS-CoV-2 can mutate to evade immunity, with consequences for the efficacy of emerging vaccines and antibody therapeutics. Herein we demonstrate that the immunodominant SARS-CoV-2 spike (S) recep...

Susceptibility of well-differentiated airway epithelial cell cultures from domestic and wildlife animals to SARS-CoV-2

Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has spread globally, and the number of cases continues to rise all over the world. Besides humans, the zoonotic origin, as well as interm...

Nanopanel2 calls phased low-frequency variants in Nanopore panel sequencing data

Clinical decision making is increasingly guided by accurate and recurrent determination of presence and frequency of (somatic) variants and their haplotype through panel sequencing of disease-releva...

Two-component spike nanoparticle vaccine protects macaques from SARS-CoV-2 infection

The SARS-CoV-2 pandemic is continuing to disrupt personal lives, global healthcare systems and economies. Hence, there is an urgent need for a vaccine that prevents viral infection, transmission and...

Ancestral polymorphisms shape the adaptive radiation of Metrosideros across the Hawaiian Islands

Some of the most spectacular adaptive radiations begin with founder populations on remote islands. How genetically limited founder populations give rise to the striking phenotypic and ecological div...

Construction of a chromosome-scale long-read reference genome assembly for potato

Background Worldwide, the cultivated potato, Solanum tuberosum L., is the No. 1 vegetable crop and a critical food security crop. The genome sequence of DM1–3 516 R44, a doubled monoploid clone of ...

Emergence and expansion of highly infectious spike:D614G mutant SARS-CoV-2 in central India

COVID 19 has emerged as global pandemic with largest damage to the economy and human psyche. The genomic signature deciphered during the ongoing pandemic period is valuable to understand the virus e...

Post-acute COVID-19 associated with evidence of bystander T-cell activation and a recurring antibiotic-resistant bacterial pneumonia

The COVID-19 pandemic has brought with it the largest ever cohort of patients requiring mechanical ventilation. Here we describe such a patient who developed a recurring ventilator-associated pneumo...

Whole genome sequencing and phylogenetic classification of Tunisian SARS-CoV-2 strains from patients of the Military Hospital in Tunis

In the present work, two complete genome sequences of SARS-CoV-2 were obtained from nasal swab samples of Tunisian SARS-CoV-2 PCR-positive patients using nanopore sequencing. The virus genomes of tw...

Assessing Nanopore sequencing for clinical diagnostics: A comparison of NGS methods for Mycobacterium tuberculosis

Next-generation sequencing technologies are being rapidly adopted as a tool of choice for diagnostic and outbreak investigation in public health laboratories. However, costs of operation and the nee...

Unearthing the boreal soil resistome associated with permafrost thaw

Understanding the distribution and mobility of antibiotic resistance genes (ARGs) in soil bacteria from diverse ecological niches is critical in assessing their impacts on the global spread of antib...

Benchmarking small variant detection with ONT reveals high performance in challenging regions

Background The development of long read sequencing (LRS) has led to greater access to the human genome. LRS produces long read lengths at the cost of high error rates and has shown to be more useful...

Genomic and kinetic analysis of novel Nitrospinae enriched by cell sorting

Chemolithoautotrophic nitrite-oxidizing bacteria (NOB) are key players in global nitrogen and carbon cycling. Members of the phylum Nitrospinae are the most abundant, known NOB in the oceans. To dat...

Hybrid assembly of an agricultural slurry virome reveals a diverse and stable community with the potential to alter the metabolism and virulence of veterinary pathogens

Background Viruses are the most abundant biological entities on Earth, known to be crucial components of microbial ecosystems. However, there is little information on the viral community within agri...

MAJORA: Continuous integration supporting decentralised sequencing for SARS-CoV-2 genomic surveillance

Genomic epidemiology has become an increasingly common tool for epidemic response. Recent technological advances have made it possible to sequence genomes rapidly enough to inform outbreak response,...

Sequential infection with influenza A virus followed by SARS-CoV-2 leads to more severe disease and encephalitis in a mouse model of COVID-19

COVID-19 is a spectrum of clinical symptoms in humans caused by infection with SARS-CoV-2, a recently emerged coronavirus that has rapidly caused a pandemic. Coalescence of a second wave of this vir...

Chromosome-level genome of Poropuntius huangchuchieni provides a diploid progenitor-like reference genome for the allotetraploid Cyprinus carpio

The diploid Poropuntius huangchuchieni in the cyprinid family, which is distributed in the Mekong and Red River basins, is one of the most closely related diploid progenitor-like species of allotetr...

COVID-19 CG: Tracking SARS-CoV-2 mutations by locations and dates of interest

COVID-19 CG is an open resource for tracking SARS-CoV-2 single-nucleotide variations (SNVs) and lineages while filtering by location, date, gene, and mutation of interest. COVID-19 CG provides sign...

Chromosome-level genome assemblies of the malaria vectors Anopheles coluzzii and Anopheles arabiensis

Background Anopheles coluzzii and An. arabiensis belong to the An. gambiae complex and are among the major malaria vectors in Sub-Saharan Africa. However, chromosome-level reference genome assemblie...

Substitutions in spike and nucleocapsid proteins of SARS-CoV-2 circulating in South America

SARS-CoV-2 is a new member of the genus Betacoronavirus, responsible for the COVID-19 pandemic. The virus crossed the species barrier and established in the human population taking advantage of the ...

Solyntus, the new highly contiguous reference genome for potato (Solanum tuberosum)

With the rapid expansion of the application of genomics and sequencing in plant breeding, there is a constant drive for better reference genomes. In potato (Solanum tuberosum), the third largest foo...

Unraveling molecular mechanisms of immunity and cancer-resistance using the genomes of the Neotropical bats Artibeus jamaicensis and Pteronotus mesoamericanus

Bats are exceptional among mammals for harbouring diverse pathogens and for their robust immune systems. In addition, bats are unusually long-lived and show low rates of cancer. Contiguous and compl...

Blog: Resolving structural variants causing antithrombin deficiency

In this blog, Alba Sanchis-Juan, Javier Corral, and Belén de la Morena-Barrio describe their research into the genetic basis of thrombophilia, and how nanopore long sequencing reads were ...

The structure, function, and evolution of a complete human chromosome 8

The complete assembly of each human chromosome is essential for understanding human biology and evolution. Using complementary long-read sequencing technologies, we complete the first linear assembl...

Metagenomics Strain Resolution on Assembly Graphs

We introduce a novel bioinformatics pipeline, STrain Resolution ON assembly Graphs (STRONG), which identifies strains de novo, when multiple metagenome samples from the same community are available....

Whole genome sequencing reveals virulence potentials of Helicobacter pylori strain KE21 isolated from a Kenyan patient with gastric signet ring cell carcinoma

Helicobacter pylori (H.pylori) infection is etiologically associated with severe diseases including gastric cancer; but its pathogenicity is deeply shaped by the exceptional genomic diversification ...

Rapid multiplex MinION nanopore sequencing workflow for Influenza A viruses

Background Due to the frequent reassortment and zoonotic potential of influenza A viruses, rapid gain of sequence information is crucial. Alongside established next-generation sequencing protocols, ...

Improvements to the ARTIC multiplex PCR method for SARS-CoV-2 genome sequencing using nanopore

Genome sequencing has been widely deployed to study the evolution of SARS-CoV-2 with more than 90,000 genome sequences uploaded to the GISAID database. We published a method for SARS-CoV-2 genome se...

Transmission of SARS-CoV-2 on mink farms between humans and mink and back to humans

Animal experiments have shown that non-human primates, cats, ferrets, hamsters, rabbits and bats can be infected by SARS-CoV-2. In addition, SARS-CoV-2 RNA has been detected in felids, mink and dogs...

Structural variants in SARS-CoV-2 occur at template-switching hotspots

The evolutionary dynamics of SARS-CoV-2 have been carefully monitored since the COVID-19 pandemic began in December 2019, however, analysis has focused primarily on single nucleotide polymorphisms a...

SARS-CoV-2 causes severe alveolar inflammation and barrier dysfunction

Infections with SARS-CoV-2 lead to mild to severe coronavirus disease-19 (COVID-19) with systemic symptoms. To elucidate the viral effects on the barrier integrity and immune reactions, we used mono...

Mutational landscape and dominant lineages in the SARS-CoV-2 infections in the state of Telangana, India

The novel Severe Acute Respiratory Syndrome CoronaVirus 2 (SARS-CoV-2) causing COVID-19 has rapidly turned into a pandemic, infecting millions and causing ~7 million deaths across the globe. In addi...

Unique mutational changes in SARS-CoV2 genome of different state of India

COVID-19 leads to a global emergency that causes more than 7 million causalities until mid-August throughout the world. In India alone, 2 million confirmed cases were reported that increased abruptl...

Chromosome-scale genome assembly of sweet cherry (Prunus avium L.) cv. Tieton obtained using long-read and Hi-C sequencing

Sweet cherry (Prunus avium) is an economically significant fruit species in the genus Prunus. However, in contrast to other important fruit trees in this genus, only one draft genome assembly is av...

Whole-genome sequencing of human Enteroviruses from clinical samples by nanopore direct RNA sequencing

Enteroviruses are small RNA viruses that affect millions of people each year by causing an important burden of disease with a broad spectrum of symptoms. In routine diagnostic laboratories, enterovi...

Genomic epidemiology of SARS-CoV-2 in Colombia

Coronavirus disease 2019 (COVID-19) was first diagnosed in Colombia from a traveler arriving from Italy on February 26, 2020. To date, available data on the origins and number or introductions of SA...

Landscape and function of multiple mutations within individual oncogenes

Sporadic reports have described cancer cases in which multiple driver mutations (MMs) occur in the same oncogene. However, the overall landscape and relevance of MMs remain elusive. Here we carried ...

Identification of SARS-CoV-2 recombinant genomes

Viral recombination has the potential to bring about viral genotypes with modified phenotypic characteristics, including transmissibility and virulence. Although the capacity for recombination among...

Genome sequences of six SARS-CoV-2 strains isolated in Morocco, obtained using Oxford Nanopore MinION technology

Here, we report the draft genome sequences of six severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) strains. SARS-CoV-2 is responsible for the COVID-19 pandemic, which started at the end ...

Robust Benchmark Structural Variant Calls of An Asian Using the State-of-Art Long Fragment Sequencing Technologies

The importance of structural variants (SVs) on phenotypes and human diseases is now recognized. Although a variety of SV detection platforms and strategies that vary in sensitivity and specificity h...

Characterisation of the transcriptome and proteome of SARS-CoV-2 reveals a cell passage induced in-frame deletion of the furin-like cleavage site from the spike glycoprotein

Background SARS-CoV-2 is a recently emerged respiratory pathogen that has significantly impacted global human health. We wanted to rapidly characterise the transcriptomic, proteomic and phosphoprot...

LamPORE: rapid, accurate and highly scalable molecular screening for SARS-CoV-2 infection, based on nanopore sequencing

LamPORE™ is a rapid way of testing/screening large numbers of samples for the presence or absence of SARS-CoV-2, the virus causing COVID-19. It combines barcoded multi-target amplification, 15-minut...

Rapid implementation of SARS-CoV-2 sequencing to investigate cases of health-care associated COVID-19: a prospective genomic surveillance study

Background The burden and influence of health-care associated severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections is unknown. We aimed to examine the use of rapid SARS-CoV-2 sequ...

Translating GWAS-identified loci for cardiac rhythm and rate using an in vivo image- and CRISPR/Cas9-based approach

A meta-analysis of genome-wide association studies (GWAS) identified eight loci that are associated with heart rate variability (HRV), but candidate genes in these loci remain uncharacterized. We ...

Analytical validity of nanopore sequencing for rapid SARS-CoV-2 genome analysis

Viral whole-genome sequencing (WGS) provides critical insight into the transmission and evolution of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). Long-read sequencing devices from ...

Nanopore sequencing and its clinical applications

Nanopore sequencing is a method for determining the order and modifications of DNA/RNA nucleotides by detecting the electric current variations when DNA/RNA oligonucleotides pass through the nanome...

nPhase: An accurate and contiguous phasing method for polyploids

While genome sequencing and assembly are now routine, we still do not have a full and precise picture of polyploid genomes. Phasing these genomes, i.e. deducing haplotypes from genomic data, remains...

Rapid SARS-CoV-2 whole-genome sequencing and analysis for informed public health decision-making in the Netherlands

In late December 2019, a cluster of cases of pneumonia of unknown etiology were reported linked to a market in Wuhan, China1. The causative agent was identified as the species Severe acute respirato...

Rapid identification of pathogens, antibiotic resistance genes and plasmids in blood cultures by nanopore sequencing

Bloodstream infections (BSI) and sepsis are major causes of morbidity and mortality worldwide. Blood culture-based diagnostics usually requires 1–2 days for identification of bacterial agent and an...

Genomic epidemiology reveals multiple introductions and spread of SARS-CoV-2 in the Indian state of Karnataka

Karnataka, a state in south India, reported its first case of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) on March 8, 2020, more than a month after the first case was reported in In...

Improved structural variant interpretation for hereditary cancer susceptibility using long-read sequencing

Purpose Structural variants (SVs) may be an underestimated cause of hereditary cancer syndromes given the current limitations of short-read next-generation sequencing. Here we investigated the util...

Evolution and epidemic spread of SARS-CoV-2 in Brazil

Brazil currently has one of the fastest growing SARS-CoV-2 epidemics in the world. Owing to limited available data, assessments of the impact of non-pharmaceutical interventions (NPIs) on virus spre...

periscope: sub-genomic RNA identification in SARS-CoV-2 ARTIC network nanopore sequencing data

We have developed periscope, a tool for the detection and quantification of sub-genomic RNA in ARTIC network protocol generated Nanopore SARS-CoV-2 sequence data. We applied periscope to 1155 SARS-...

Genetic analysis of SARS-CoV-2 strains collected from North Africa: viral origins and mutational spectrum

In Morocco two waves of SARS-CoV-2 infections have been recorded. The first one occurred from March 02, 2020 with infections mostly imported from Europe and the second one dominated by local infecti...

Genome sequence of SARS-CoV-2 isolate Cali-01, from Colombia, obtained using Oxford Nanopore MinION sequencing

We report the genome sequence of a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) isolate obtained from a patient with symptoms of coronavirus disease 2019 (COVID-19) who was infected ...

Genome sequencing of the first SARS-CoV-2 reported from patients with COVID-19 in Ecuador.

SARS-CoV-2, the etiological agent of COVID-19 was first described in Wuhan in December 2019 and has now spread globally. Ecuador was the second country in South America to report confirmed cases. Th...

Liftoff: an accurate gene annotation mapping tool

Improvements in DNA sequencing technology and computational methods have led to a substantial increase in the creation of high-quality genome assemblies of many species. To understand the biology of...

CoronaHiT: large scale multiplexing of SARS-CoV-2 genomes using nanopore sequencing

The COVID-19 pandemic has spread to almost every country in the world since it started in China in late 2019. Controlling the pandemic requires a multifaceted approach including whole genome sequenc...

Nanopore sequencing from liquid biopsy: analysis of copy number variations from cell-free DNA of lung cancer patients

Alterations in the genetic content, such as Copy Number Variations (CNVs) is one of the hallmarks of cancer and their detection is used to recognize tumoral DNA. Analysis of cell-free DNA from plasm...

SARS-CoV-2 growth, furin-cleavage-site adaptation and neutralization using serum from acutely infected, hospitalized COVID-19 patients

SARS-CoV-2, the causative agent of COVID-19, emerged at the end of 2019 and by mid-June 2020, the virus has spread to at least 215 countries, caused more than 8,000,000 confirmed infections and over...

Genomic surveillance of SARS-CoV-2 reveals community transmission of a major lineage during the early pandemic phase in Brazil

Despite all efforts to control the COVID-19 spread, the SARS-CoV-2 reached South America within three months after its first detection in China, and Brazil became one of the hotspots of COVID-19 in ...

Major impacts of widespread structural variation on gene expression and crop improvement in tomato

Structural variants (SVs) underlie important crop improvement and domestication traits. However, resolving the extent, diversity, and quantitative impact of SVs has been challenging. We used long-...

Evolutionary and structural analyses of SARS-CoV-2 D614G spike protein mutation now documented worldwide

The COVID-19 pandemic, caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), was declared on March 11, 2020 by the World Health Organization. As of the 31st of May, 2020, there...

Relationship between anti-spike protein antibody titers and SARS-CoV-2 in vitro virus neutralization in convalescent plasma

Newly emerged pathogens such as SARS-CoV-2 highlight the urgent need for assays that detect levels of neutralizing antibodies that may be protective. We studied the relationship between anti-spike ...

Stability of SARS-CoV-2 Phylogenies

The SARS-CoV-2 pandemic has led to unprecedented, nearly real-time genetic tracing due to the rapid community sequencing response. Researchers immediately leveraged these data to infer the evolution...

Integrated genomic view of SARS-CoV-2 in India

Background India first detected SARS-CoV-2, causal agent of COVID-19 in late January 2020, imported from Wuhan, China. From March 2020 onwards, the importation of cases from countries in the rest o...

Presymptomatic SARS-CoV-2 infections and transmission in a skilled nursing facility

Background Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection can spread rapidly within skilled nursing facilities. After identification of a case of Covid-19 in a skilled nursin...

Chromosome-level reference genome and population genomic analysis provide insight into the evolution and improvement of domesticated mulberry (Morus alba L)

Mulberry (Morus spp.) is the sole plant consumed by the domesticated silkworm. However, the genome of domesticated mulberry has not yet been sequenced, and the ploidy level of this species remains u...

The genome sequence of Aloe vera reveals adaptive evolution of drought tolerance mechanisms

Aloe vera is a species from Asphodelaceae plant family having unique characteristics such as drought resistance and also possesses numerous medicinal properties. However, the genetic basis of these ...

Rapid and inexpensive whole-genome sequencing of SARS-CoV2 using 1200 bp tiled amplicons and Oxford Nanopore rapid barcoding

Rapid and cost-efficient whole-genome sequencing of SARS-CoV-2, the virus that causes COVID-19, is critical for understanding viral transmission dynamics. Here we show that using a new multiplexed s...

Oxford Nanopore Sequencing: New opportunities for plant genomics?

DNA sequencing was dominated by Sanger’s chain-termination method until the mid-2000s, when it was progressively supplanted by new sequencing technologies that can generate much larger quantities o...

NanoSPC: a scalable, portable, cloud compatible viral nanopore metagenomic data processing pipeline

Metagenomic sequencing combined with Oxford Nanopore Technology has the potential to become a point-of-care test for infectious disease in public health and clinical settings, providing rapid diagn...

Towards complete and error-free genome assemblies of all vertebrate species

High-quality and complete reference genome assemblies are fundamental for the application of genomics to biology, disease, and biodiversity conservation. However, such assemblies are only available ...

Short- and long-read metagenomics of South African gut microbiomes reveal a transitional composition and novel taxa

To date, human gut microbiome research in adults has focused on western populations, with an additional minority of studies examining nonwestern populations including agriculturalist or hunter-gathe...

A computational toolset for rapid identification of SARS-CoV-2, other viruses, and microorganisms from sequencing data

In this paper, we present a toolset and related resources for rapid identification of viruses and microorganisms from short-read or long-read sequencing data. We present fastv as an ultra-fast tool...

Characterization of SARS-CoV-2 viral diversity within and across hosts

In light of the current COVID-19 pandemic, there is an urgent need to accurately infer the evolutionary and transmission history of the virus to inform real-time outbreak management, public health p...

An economical nanopore sequencing assay for human papillomavirus (HPV) genotyping

Background Human papillomavirus (HPV) testing has been employed by several European countries to augment cytology-based cervical screening programs. A number of research groups have demonstrated pot...

Multiple SARS-CoV-2 introductions shaped the early outbreak in Central Eastern Europe: comparing Hungarian data to a worldwide sequence data-matrix

Severe Acute Respiratory Syndrome Coronavirus 2 is the third highly pathogenic human coronavirus in history. Since the emergence in Hubei province, China, during late 2019 the situation evolved to p...

COVID-19 in healthcare workers in three hospitals in the South of the Netherlands, March 2020

Background Ten days after the first reported case of SARS-CoV-2 infection in the Netherlands, 3.9% of healthcare workers (HCWs) in nine hospitals located in the South of the Netherlands tested posit...

Molecular architecture of early dissemination and evolution of the SARS-CoV-2 Virus in metropolitan Houston, Texas

We sequenced the genomes of 320 SARS-CoV-2 strains from COVID-19 patients in metropolitan Houston, Texas, an ethnically diverse region with seven million residents. These genomes were from the virus...

SARS-CoV-2 genomes recovered by long amplicon tiling multiplex approach using nanopore sequencing and applicable to other sequencing platforms

Genomic surveillance has become a useful tool for better understanding virus pathogenicity, origin and spread. Obtaining accurately assembled, complete viral genomes directly from clinical samples i...

Zika virus amplification using strand displacement isothermal method and sequencing using nanopore technology

Development of novel point of care diagnostic methods in order to help in implementing disease control program and identifying the causative agent of an outbreak is crucial. Classical diagnostic te...

First genomic characterization of a Belgian Enterovirus C104 using sequence-independent Nanopore sequencing

Because of the enormous variation in their genome sequence, genotyping enteroviruses by standard methods can prove to be quite challenging. Nanopore sequencing offers the potential to overcome the l...

Spike mutation pipeline reveals the emergence of a more transmissible form of SARS-CoV-2

We have developed an analysis pipeline to facilitate real-time mutation tracking in SARS-CoV-2, focusing initially on the Spike (S) protein because it mediates infection of human cells and is the ta...

Noncanonical junctions in subgenomic RNAs of SARS-CoV-2 lead to variant open reading frames

SARS-CoV-2, a positive-sense RNA virus in the family Coronaviridae, has caused the current worldwide pandemic, known as coronavirus disease 2019 or COVID-19. The definition of SARS-CoV-2 open readin...

Origin of imported SARS-CoV-2 strains in The Gambia identified from whole genome sequences

Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is a positive-sense single stranded RNA virus with high human transmissibility. This study generated Whole Genome data to determine the ...

Quality control of low-frequency variants in SARS-CoV-2 genomes

During the current outbreak of COVID-19, research labs around the globe submit sequences of the local SARS-CoV-2 genomes to the GISAID database to provide a comprehensive analysis of the variability...

Rapid SARS-CoV-2 whole genome sequencing for informed public health decision making in the Netherlands

SARS-CoV-2 is a novel coronavirus that has rapidly spread across the globe. In the Netherlands, the first case of SARS-CoV-2 has been notified on the 27th of February. Here, we describe the first t...

The coronavirus proofreading exoribonuclease mediates extensive viral recombination

Coronaviruses (CoVs) emerge as zoonoses and cause severe disease in humans, demonstrated by the SARS-CoV-2 (COVID-19) pandemic. RNA recombination is required during normal CoV replication for subgen...

Rapid, sensitive, full genome sequencing of Severe Acute Respiratory Syndrome Virus Coronavirus 2 (SARS-CoV-2)

SARS-CoV-2 recently emerged, resulting a global pandemic. Rapid genomic information is critical to understanding transmission and pathogenesis. Here, we describe validated protocols for generating ...

Mechanisms generating cancer genome complexity from single cell division error

The chromosome breakage-fusion-bridge (BFB) cycle is a mutational process that produces gene amplification and genome instability. Signatures of BFB cycles can be observed in cancer genomes alongsid...

Limited SARS-CoV-2 diversity within hosts and following passage in cell culture

Since the first reports of pneumonia associated with a novel coronavirus (COVID-19) emerged in Wuhan, Hubei province, China, there have been considerable efforts to sequence the causative virus, SAR...

Phylodynamics of SARS-CoV-2 transmission in Spain

Objectives SARS-CoV-2 whole-genome analysis has identified three large clades spreading worldwide, designated G, V and S. This study aims to analyze the diffusion of SARS-CoV-2 in Spain/Europe. Met...

Characterisation of the poll allele in Brahman cattle using long read Oxford Nanopore sequencing

Brahman cattle (Bos indicus) are well adapted to thrive in tropical environments. Since their introduction to Australia in 1933, Brahman’s ability to grow and reproduce on marginal lands has proven...

Coast-to-coast spread of SARS-CoV-2 during the early epidemic in the United States

The novel coronavirus SARS-CoV-2 was first detected in the Pacific Northwest region of the United States in January, 2020, with subsequent COVID-19 outbreaks detected in all 50 states by early March...

Genomic epidemiology of SARS-CoV-2 in Guangdong Province, China

COVID-19 is caused by SARS-CoV-2 infection and was first reported in central China in December 2019. Extensive molecular surveillance in Guangdong, China’s most populous province, during early 2020 ...

Three adjacent nucleotide changes spanning two residues in SARS-CoV-2 nucleoprotein: possible homologous recombination from the transcription-regulating sequence

The COVID-19 pandemic is caused by the single-stranded RNA virus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a virus of zoonotic origin that was first detected in Wuhan, China in D...

The Scaly-foot Snail genome and implications for the origins of biomineralised armour

The Scaly-foot Snail, Chrysomallon squamiferum, presents a combination of biomineralised features, reminiscent of enigmatic early fossil taxa with complex shells and sclerites such as sachtids, but...

Reorganization of 3D genome structure in the Drosophila melanogaster species group

Topologically associating domains, or TADs, are functional units that organize chromosomes into 3D structures of interacting chromatin. TADs play an important role in regulating gene expression by c...

FORK-seq: replication landscape of the Saccharomyces cerevisiae genome by nanopore sequencing

Genome replication mapping methods profile cell populations, masking cell-to-cell heterogeneity. Here, we describe FORK-seq, a nanopore sequencing method to map replication of single DNA molecules ...

Complete and validated genomes from a metagenome

The assembly and binning of metagenomically-assembled genomes (MAGs) using Illumina sequencing has improved the genomic characterization of unculturable communities. However, short-read-only metagen...

CovProfile: profiling the viral genome and gene expressions of SARS-COV2

SARS-COV2 is infecting more than one million people. Knowing its genome and gene expressions is essential to understand the virus. Here, we propose a computational tool to detect viral genomic vari...

DNA thermo-protection facilitates whole genome sequencing of Mycobacteria direct from clinical samples by the Nanopore platform

Mycobacterium tuberculosis (MTB) is the leading cause of death from bacterial infection. Improved rapid diagnosis and antimicrobial resistance determination, such as by whole genome sequencing, are ...

Identification of a common deletion in the spike protein of SARS-CoV-2

Two notable features have been identified in the SARS-CoV-2 genome: (1) the receptor binding domain of SARS-CoV-2; (2) a unique insertion of twelve nucleotide or four amino acids (PRRA) at the S1 an...

Generating high quality assemblies for genomic analysis of transposable elements

The advent of long-read sequencing holds great promise for research on transposable elements (TEs). Long reads may finally allow us to obtain reliable assemblies of repetitive regions, and thus shed...

Short and long-read genome sequencing methodologies for somatic variant detection; genomic analysis of a patient with diffuse large B-cell lymphoma

Recent advances in throughput and accuracy mean that the Oxford Nanopore Technologies (ONT) PromethION platform is a now a viable solution for genome sequencing. Much of the validation of bioinforma...

Temporal profiles of viral load in posterior oropharyngeal saliva samples and serum antibody responses during infection by SARS-CoV-2: an observational cohort study

Coronavirus disease 2019 (COVID-19) causes severe community and nosocomial outbreaks. Comprehensive data for serial respiratory viral load and serum antibody responses from patients infected with se...

A reference genome sequence for giant sequoia

The giant sequoia (Sequoiadendron giganteum) of California are massive, long-lived trees that grow along the U.S. Sierra Nevada mountains. Genomic data are limited in giant sequoia and producing a r...

Benchmarking the MinION: Evaluating long reads for microbial profiling

Nanopore based DNA-sequencing delivers long reads, thereby simplifying the decipherment of bacterial communities. Since its commercial appearance, this technology has been assigned several attribute...

Long-read metagenomics using PromethION uncovers oral bacteriophages and their interaction with host bacteria

Bacteriophages (phages), or bacterial viruses, are very diverse and highly abundant worldwide, including as a part of the human microbiomes. Although a few metagenomic studies have focused on oral ...

An emergent clade of SARS-CoV-2 linked to returned travellers from Iran

The SARS-CoV-2 epidemic has rapidly spread outside China with major outbreaks occurring in Italy, South Korea and Iran. Phylogenetic analyses of whole genome sequencing data identified a distinct SA...

The architecture of SARS-CoV-2 transcriptome

SARS-CoV-2 is a betacoronavirus that is responsible for the COVID-19 pandemic. The genome of SARS-CoV-2 was reported recently, but its transcriptomic architecture is unknown. Utilizing two complemen...

Long-read sequencing to interrogate strain-level variation among adherent-invasive Escherichia coli isolated from human intestinal tissue

Adherent-invasive Escherichia coli (AIEC) are a pathovar linked to inflammatory bowel diseases (IBD), especially Crohn’s disease, and colorectal cancer. AIEC have no known molecular or genomic marke...

Chromosome-level genome assembly and annotation of the loquat (Eriobotrya japonica) genome

Background The loquat (Eriobotrya japonica) is a species of flowering plant in the family Rosaceae that is widely cultivated in Asian, European, and African countries. It blossoms in the winter and ...

Amplicon-based detection and sequencing of SARS-CoV-2 in nasopharyngeal swabs from patients with COVID-19 and identification of deletions in the viral genome

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus disease 2019 (COVID-19). Sequencing the viral genome as the outbreak progresses is important, parti...

Identification of structural variation in chimpanzees using optical mapping and nanopore sequencing

Recent efforts to comprehensively characterize great ape genetic diversity using short-read sequencing and single-nucleotide variants have led to important discoveries related to selection within sp...

Whole-genome sequencing of rare disease patients in a national healthcare system

Most patients with rare diseases do not receive a molecular diagnosis and the aetiological variants and mediating genes for more than half such disorders remain to be discovered. We implemented who...

Isolation and characterization of SARS-CoV-2 from the first US COVID-19 patient

The etiologic agent of the outbreak of pneumonia in Wuhan China in January-2020, was identified as severe acute respiratory syndrome associated coronavirus 2 (SARS-CoV-2). The first US patient was d...

Metagenomic sequencing with spiked primer enrichment for viral diagnostics and genomic surveillance

Metagenomic next-generation sequencing (mNGS), the shotgun sequencing of RNA and DNA from clinical samples, has proved useful for broad-spectrum pathogen detection and the genomic surveillance of vi...

Evaluation of real-time nanopore sequencing for Salmonella serotype prediction

The use of whole genome sequencing (WGS) data generated by short-read sequencing technologies such as the Illumina sequencing platforms has been shown to provide reliable results for Salmonella sero...

Analysis of the transgene insertion pattern in a transgenic mouse strain using long-read sequencing

Transgene insertion patterns are critical for the analysis of transgenic animals because the influence of transgenes may change depending on the insertion pattern (such as copy numbers and orientati...

GC bias affects genomic and metagenomic reconstructions, underrepresenting GC-poor organisms

Background Metagenomic sequencing is a well-established tool in the modern biosciences. While it promises unparalleled insights into the genetic content of the biological samples studied, conclusion...

The genome sequence of the Jean-Talon strain, an archeological tetraploid beer yeast from Québec

The genome sequences of archeological yeast isolates can reveal insights about the history of human baking, brewing and winemaking activities and migration around the globe. A yeast strain called Je...

The hornwort genome and early land plant evolution

Hornworts, liverworts and mosses are three early diverging clades of land plants, and together comprise the bryophytes. Here, we report the draft genome sequence of the hornwort Anthoceros angustus...

Long-read individual-molecule sequencing reveals CRISPR-induced genetic heterogeneity in human ESCs

Accurately quantifying the genetic heterogeneity of a cell population is essential to understanding of biological systems. We develop a universal method (UMIs) to label individual DNA molecules for ...

Rapid in-country sequencing of whole virus genomes to inform rabies elimination programmes

Genomic surveillance is an important aspect of contemporary disease management but has yet to be used routinely to monitor endemic disease transmission and control in low- and middle-income countrie...

Complete, closed bacterial genomes from microbiomes using nanopore sequencing

Microbial genomes can be assembled from short-read sequencing data, but the assembly contiguity of these metagenome-assembled genomes is constrained by repeat elements. Correct assignment of genomic...

Rapid inference of antibiotic resistance and susceptibility by genomic neighbour typing

Surveillance of drug-resistant bacteria is essential for healthcare providers to deliver effective empirical antibiotic therapy. However, traditional molecular epidemiology does not typically occur ...

High precision Neisseria gonorrhoeae variant and antimicrobial resistance calling from metagenomic Nanopore sequencing

The rise of antimicrobial resistant Neisseria gonorrhoeae is a significant public health concern. Against this background, rapid culture-independent diagnostics may allow targeted treatment and prev...

The sudden emergence of a Neisseria gonorrhoeae strain with reduced susceptibility to extended-spectrum cephalosporins, Norway

The Neisseria gonorrhoeae multilocus sequence type (ST) 7827 emerged in dramatic fashion in Norway in the period 2016-2018. Here, we aim to determine what enabled it to establish and spread so quick...

Duplications drive diversity in Bordetella pertussis on an underestimated scale

Bacterial genetic diversity is often described using solely base pair changes despite a wide variety of other mutation types likely being major contributors. Tandem duplications of genomic loci are ...

Evaluating the genome and resistome of extensively drug-resistant Klebsiella pneumoniae using native DNA and RNA Nanopore sequencing

Background Klebsiella pneumoniae frequently harbours multidrug resistance, and current diagnostics struggle to rapidly identify appropriate antibiotics to treat these bacterial infections. The MinIO...

Location of balanced chromosome-translocation breakpoints by long-read sequencing on the Oxford Nanopore platform

Genomic structural variants, including translocations, inversions, insertions, deletions, and duplications, are challenging to be reliably detected by traditional genomic technologies. In particular...

High-quality genome assembly of Eriocheir japonica sinensis reveals its unique genome evolution

As an important freshwater aquaculture species in China, the Chinese mitten crab (Eriocheir japonica sinensis) has high economic and nutritional value. However, limited genomic information is curren...

Hybrid genome assembly and annotation of a pandrug-resistant Klebsiella pneumoniae strain using nanopore and Illumina sequencing

Background The prevalence of multidrug-resistant Klebsiella pneumoniae is increasingly being implicated worldwide in a variety of infections with high mortalities. Here, we report the complete genom...

The parasite Schistocephalus solidus secretes proteins with putative host manipulation functions

Manipulative parasites are predicted to liberate molecules in their external environment acting as manipulation factors with biological functions implicated in their host's physiological and behavio...

Nanopore sequencing-based genome assembly and evolutionary genomics of circum-basmati rice

Background The circum-basmati group of cultivated Asian rice (Oryza sativa) contains many iconic varieties and is widespread in the Indian subcontinent. Despite its economic and cultural importance,...

High contiguity long read assembly of Brassica nigra allows localization of active centromeres and provides insights into the ancestral Brassica genome

High-quality nanopore genome assemblies were generated for two Brassica nigra genotypes (Ni100 and CN115125); a member of the agronomically important Brassica species. The N50 contig length for th...

Profiling of human gut virome with Oxford Nanopore technology

The human gut virome plays critical roles in maintaining gut microbial composition and functionality, as well as host physiology and immunology. Yet, there are insufficient amount of studies on this...

Rapid detection and characterization of tet(X4)-positive Escherichia coli strains with nanopore sequencing

Novel antimicrobial resistance genes harboured by pathogens pose a great public health concern, as exemplified by the emergence of blaNDM-1 and mcr-1 over the past decade. Recently, two novel plasmi...

High contiguity de novo genome sequence assembly of Trifoliate yam (Dioscorea dumetorum) using long read sequencing

The yam species Dioscorea dumetorum is one example of an orphan crop, not traded internationally. Post-harvest hardening starts within 24 hours after harvesting and renders the tubers inedible. Geno...

Species boundaries and molecular markers for classification among 16SrI phytoplasmas informed by genome analysis

Phytoplasmas are diverse plant-pathogenic bacteria that greatly impact agriculture worldwide. The current classification system for these uncultivated bacteria is based on the restriction fragment l...

High quality 3C de novo assembly and annotation of a multidrug resistant ST-111 Pseudomonas aeruginosa genome: Benchmark of hybrid and non-hybrid assemblers

Genotyping methods and genome sequencing are indispensable for revealing the genomic structure of bacterial species displaying high levels of genome plasticity. However, reconstruction of the genome...

Benchmarking of long-read assemblers for prokaryote whole genome sequencing

Background Data sets from long-read sequencing platforms (Oxford Nanopore Technologies and Pacific Biosciences) allow for most prokaryote genomes to be completely assembled – one contig per chromoso...

Long-read sequencing reveals widespread intragenic structural variants in a recent allopolyploid crop plant

Genome structural variation (SV) contributes strongly to trait variation in eukaryotic species and may have an even higher functional significance than single nucleotide polymorphism (SNP). In recen...

A novel Coronavirus from patients with pneumonia in China, 2019

In December 2019, a cluster of patients with pneumonia of unknown cause was linked to a seafood wholesale market in Wuhan, China. A previously unknown betacoronavirus was discovered through the use ...

Characterization of mating type genes in heterothallic Neonectria species with emphasis on N. coccinea, N. ditissima, and N. faginata

Neonectria ditissima and N. faginata are canker pathogens involved in an insect-fungus disease complex of American beech (Fagus grandifolia) commonly known as beech bark disease (BBD). In Europe, bo...

Plasmid diversity among genetically related Klebsiella pneumoniae blaKPC-2 and blaKPC-3 isolates collected in the Dutch national surveillance

Carbapenemase-producing Klebsiella pneumoniae emerged over the past decades as an important pathogen causing morbidity and mortality in hospitalized patients. For infection prevention and control, i...

A new Spirodela polyrhiza genome and proteome reveal a conserved chromosomal structure with high abundances of proteins favoring energy production

Duckweeds are a monophyletic group of rapidly reproducing aquatic monocots in the Lemnaceae family. Spirodela polyrhiza, the Greater Duckweed, has the largest body plan yet the smallest genome size ...

Low ribosomal RNA genes copy number provoke genomic instability and chromosomal segment duplication events that modify global gene expression and plant-pathogen response

Among the hundreds of ribosomal RNA (rRNA) gene copies organized as tandem repeats in the nucleolus organizer regions (NORs), only a portion is usually actively expressed in the nucleolus and partic...

The Arabidopsis "retrovirome" and its regulation by epigenetically activated small RNA

In Arabidopsis, LTR-retrotransposons are activated by mutations in the chromatin remodeler DECREASE in DNA METHYLATION 1 (DDM1), giving rise to 21-22nt epigenetically activated siRNAs (easiRNAs). W...

Genomic dynamics of species and mobile genetic elements in a prolonged blaIMP-4-associated carbapenemase outbreak in an Australian hospital

Background Hospital outbreaks of carbapenemase-producing organisms, such as blaIMP-4-containing organisms, are an increasing threat to patient safety. Objectives To investigate the genomic dynamics...

Integrating Hi-C links with assembly graphs for chromosome-scale assembly

Long-read sequencing and novel long-range assays have revolutionized de novo genome assembly by automating the reconstruction of reference-quality genomes. In particular, Hi-C sequencing is becoming...

Three genomes of Osteoglossidae shed light on ancient teleost evolution

Osteoglossiformes is a basal clade of teleost, originating from the late Jurassic period, which has experienced the process of continental drift. The genomic differences between Osteoglossiformes sp...

Gapless assembly of maize chromosomes using long read technologies

Creating gapless telomere-to-telomere assemblies of complex genomes is one of the ultimate challenges in genomics. We used long read technologies and an optical map based approach to produce a maiz...

The Indian cobra reference genome and transcriptome enables comprehensive identification of venom toxins

Snakebite envenoming is a serious and neglected tropical disease that kills ~100,000 people annually. High-quality, genome-enabled comprehensive characterization of toxin genes will facilitate devel...

Genomic rearrangements generate hypervariable mini-chromosomes in host-specific lineages of the blast fungus

Supernumerary mini-chromosomes - a unique type of genomic structural variation - have been implicated in the emergence of virulence traits in plant pathogenic fungi. However, the mechanisms that fac...

Emergence of Almost Identical F36:A-:B32 Plasmids Carrying blaNDM-5 and qepA in Escherichia coli from Both Pakistan and Canada

The New Delhi Metallo-β-lactamase (NDM) producing Enterobacteriaceae is spreading worldwide. Although the blaNDM gene has been identified in animal associated Enterobacteriaceae isolates in many cou...

Comparative genomics of three clinical Ureaplasma species: analysis of their core genomes and multiple banded antigen locus

Aim To compare the genome sequences among clinical and American Type Culture Collection Ureaplasma strains and to reveal the potential molecular mechanisms of multiple banded antigen (MBA) variation...

A strategy for complete telomere-to-telomere assembly of ciliate macronuclear genome using ultra-high coverage Nanopore data

Ciliates contain two kinds of nuclei: the germline micronucleus (MIC) and the somatic macronucleus (MAC) in a single cell. The MAC usually have fragmented chromosomes. These fragmented chromosomes, ...

Rapid nanopore whole-genome sequencing for anthrax emergency preparedness

Human anthrax cases necessitate rapid response. We completed Bacillus anthracis nanopore whole-genome sequencing in our high-containment laboratory from a human anthrax isolate hours after receipt. ...

Whole genome sequencing of Borrelia miyamotoi isolate Izh-4: reference for a complex bacterial genome

Background The genus Borrelia comprises spirochaetal bacteria maintained in natural transmission cycles by tick vectors and vertebrate reservoir hosts. The main groups are represented by a species c...

Whole genome comparisons of Staphylococcus agnetis isolates from cattle and chickens

We report the comparisons of genomes of eleven isolates of Staphylococcus agnetis obtained from dairy cattle and chickens. S. agnetis has been previously associated with subclinical or clinically ...

A highly contiguous genome for the Golden-fronted Woodpecker (Melanerpes aurifrons) via a hybrid Oxford Nanopore and short read assembly

Background Woodpeckers are found in nearly every part of the world, absent only from Antarctica, Australasia, and Madagascar. Woodpeckers have been important for studies of biogeography, phylogeogr...

Genetic underpinnings of host manipulation by Ophiocordyceps as revealed by comparative transcriptomics

The ant-infecting Ophiocordyceps fungi are globally distributed, host manipulating, specialist parasites that drive aberrant behaviors in infected ants, at a lethal cost to the host. An apparent inc...

Enhancer hijacking determines intra- and extrachromosomal circular MYCN amplicon architecture in neuroblastoma

MYCN amplification drives one in six cases of neuroblastoma. The supernumerary gene copies are commonly found on highly rearranged, extrachromosomal circular DNA. The exact amplicon structure has no...

Genome-wide survey of tandem repeats by nanopore sequencing shows that disease-associated repeats are more polymorphic in the general population

Tandem repeats are highly mutable and contribute to the development of human disease by a variety of mechanisms. However, it is difficult to predict which tandem repeats may cause a disease. We perf...

HyPo: Super fast and accurate polisher for long read genome assemblies

Efforts towards making population-scale long read genome assemblies (especially human genomes) viable have intensified recently with the emergence of many fast assemblers. The reliance of these fast...

Nanopore sequencing of native adeno-associated virus single-stranded DNA using a transposase-based rapid protocol

Monitoring DNA integrity and DNA contaminants in adeno-associated virus (AAV) gene therapy vectors is of major interest, because of clinical applications with increasing therapeutic doses. We here ...

Genomic analysis of carbapenemase-producing Enterobacteriaceae in Queensland reveals widespread transmission of bla IMP-4 on an IncHI2 plasmid

Carbapenemase-producing Enterobacteriaceae (CPE) are an increasingly common cause of healthcare-associated infections and may occasionally be identified in patients without extensive healthcare expo...

De novo assembly of the Brugia malayi genome using long reads from a single MinION Flow Cell

Filarial nematode infections cause a substantial global disease burden. Genomic studies of filarial worms can improve our understanding of their biology and epidemiology. However, genomic informatio...

Endogenization and excision of human herpesvirus 6 in human genomes

The genome of human herpesvirus 6 (HHV-6) is integrated within the nuclear genome of about 1% of humans, but how this came about is not clear. HHV-6 integrates into telomeres, and this has recently ...

Sporaefaciens musculi gen. nov., sp. nov., a novel bacterium isolated from the caecum of an obese mouse

A bacterial strain, designated WCA-9-b2, was isolated from the caecal content of an 18-week-old obese C57BL/6NTac male mouse. According to phenotypic analyses, the isolate is rod-shaped, Gram-positi...

MinION sequencing of Streptococcus suis allows for functional characterization of bacteria by multilocus sequence typing and antimicrobial resistance profiling

In recent years, high-throughput sequencing has revolutionized disease diagnosis by its powerful ability to provide high resolution genomic information. The Oxford Nanopore MinION sequencer has unpa...

Genomic adaptations to aquatic and aerial life in mayflies and the origin of wings in insects

The first winged insects underwent profound morphological and functional transformations leading to the most successful animal radiations in the history of earth. Despite this, we still have a very ...

Near-complete Lokiarchaeota genomes from complex environmental samples using long and short read metagenomic analyses

Asgard archaea is a recently proposed superphylum currently comprised of five recognised phyla: Lokiarchaeota, Thorarchaeota, Odinarchaeota, Heimdallarchaeota and Helarchaeota. Members of this group...

Characterization of a novel conjugative plasmid in Edwardsiella piscicida strain MS-18-199

Edwardsiella piscicida is a pathogenic bacterium responsible for significant losses in important wild and cultured fish species. E. piscicida strain MS-18-199 recovered from a diseased hybrid catfis...

Randomly primed, strand-switching MinION-based sequencing for the detection and characterization of cultured RNA viruses

RNA viruses rapidly mutate, which can result in increased virulence, increased escape from vaccine protection, and false negative detection results. Targeted detection methods have a limited ability...

Chromosome-scale assembly comparison of the Korean Reference Genome KOREF from PromethION and PacBio with Hi-C mapping information

Background Long DNA reads produced by single-molecule and pore-based sequencers are more suitable for assembly and structural variation discovery than short-read DNA fragments. For de novo assembly...

Whole genome assembly of the snout otter clam, Lutraria rhynchaena, using Nanopore and Illumina Data, benchmarked against bivalve genome assemblies

Production of cultured bivalve molluscs was 17.1 million tons in 2016 accounting for 21.4% of global aquaculture production. The lack of genomic resources coupled with limited understanding of the m...

Exploration of the propagation of transpovirons within Mimiviridae reveals a unique example of commensalism in the viral world

Acanthamoeba-infecting Mimiviridae are giant viruses with dsDNA genome up to 1.5 Mb. They build viral factories in the host cytoplasm in which the nuclear-like virus-encoded functions take place. Th...

Rapid, unbiased PRRSV strain detection using MinION direct RNA sequencing and bioinformatics tools

Prompt detection and effective control of porcine reproductive and respiratory syndrome virus (PRRSV) during outbreaks is important given its immense adverse impact on the swine industry. However, t...

A new symbiotic lineage related to Neisseria and Snodgrassella arises from the dynamic and diverse microbiomes in sucking lice

Phylogenetic diversity of symbiotic bacteria in sucking lice suggests that lice have experienced a complex history of symbiont acquisition, loss, and replacement during their evolution. By combinin...

Comparative genomic analysis of Cristatella mucedo provides insights into Bryozoan evolution and nervous system function

The modular body organization is an enigmatic feature of different animal phyla scattered throughout the phylogenetic tree. Here we present a high-quality genome assembly of a fascinating freshwate...

Spatial, climate, and ploidy factors drive genomic diversity and resilience in the widespread grass Themeda triandra

Fragmented grassland ecosystems, and the species that shape them, are under immense pressure. Restoration and management strategies should include genetic diversity and adaptive capacity to impr...

Bacterial Genome wide association studies (bGWAS) and transcriptomics identifies cryptic antimicrobial resistance mechanisms in Acinetobacter baumannii

Antimicrobial resistance (AMR) in the nosocomial pathogen, Acinetobacter baumannii, is becoming a serious public health threat. While some mechanisms of AMR have been reported, understanding novel m...

A novel field-deployable method for sequencing and analyses of Henipavirus genomes from complex samples on the MinION platform

Viruses in the genus Henipavirus encompass 2 highly pathogenic emerging zoonotic pathogens, Hendra virus (HeV) and Nipah virus (NiV). Despite the impact on human health, there is currently limited f...

Borrelia maritima sp. nov., a novel species of the Borrelia burgdorferi sensu lato complex, occupying a basal position to North American species

Borrelia species are vector-borne parasitic bacteria with unusual, highly fragmented genomes that include a linear chromosome and linear as well as circular plasmids that differ numerically between ...

Mechanisms of colistin resistance in Escherichia strains isolated from bloodstream infections

Infections by multidrug resistant Gram negative bacteria are increasingly common, prompting the renewed interest in the use of colistin. Colistin specifically targets Gram negative bacteria by inter...

One fly-one genome: chromosome-scale genome assembly of a single outbred Drosophila melanogaster

A high quality genome assembly is a vital first step for the study of an organism. Recent advances in technology have made the creation of high quality chromosome scale assemblies feasible and low c...

Determining antimicrobial resistance profiles and identifying novel mutations of Neisseria gonorrhoeae genomes obtained by multiplexed MinION sequencing

Gonorrhea is one of the most common sexually transmitted diseases worldwide. To cure infection and prevent transmission, timely and appropriate antimicrobial therapy is necessary. Unfortunately, Nei...

Metagenomic identification of severe pneumonia pathogens in mechanically-ventilated patients: a feasibility and clinical validity study

Background Metagenomic sequencing of respiratory microbial communities for pathogen identification in pneumonia may help overcome the limitations of culture-based methods. We examined the feasibilit...

Chromosome level assembly and comparative genome analysis confirm lager-brewing yeasts originated from a single hybridization

Background The lager brewing yeast, S. pastorianus, is a hybrid between S. cerevisiae and S. eubayanus with extensive chromosome aneuploidy. S. pastorianus is subdivided into Group 1 and Group 2 str...

Critical assessment of bioinformatics methods for the characterization of pathological repeat expansions with single-molecule sequencing data

A number of studies have reported the successful application of single-molecule sequencing technologies to the determination of the size and sequence of pathological expanded microsatellite repeats ...

Nanopore long reads enable the first complete genome assembly of a Malaysian Vibrio parahaemolyticus isolate bearing the pVa plasmid associated with acute hepatopancreatic necrosis

Background The genome of Vibrio parahaemolyticus MVP1, isolated from a Malaysian aquaculture farm with shrimp acute hepatopancreatic necrosis disease (AHPND), was previously sequenced using Illumina...

Genomic investigation of the strawberry pathogen Phytophthora fragariae indicates pathogenicity is determined by transcriptional variation in three key races

The oomycete Phytophthora fragariae is a highly destructive pathogen of cultivated strawberry (Fragaria × ananassa), causing the root rotting disease, ‘red core’. The host-pathogen interaction has a...

Intensive infection control responses and whole genome sequencing to interrupt and resolve widespread transmission of OXA-181 Escherichia coli in a hospital setting

Background OXA-48-like carbapenemases have become increasingly prevalent in healthcare settings worldwide. Their low-level activity against carbapenems makes them difficult to identify, causing pro...

Shotgun metagenome data of a defined mock community using Oxford Nanopore, PacBio and Illumina technologies

Metagenomic sequence data from defined mock communities is crucial for the assessment of sequencing platform performance and downstream analyses, including assembly, binning and taxonomic assignmen...

Annotated draft genomes of two caddisfly species Plectrocnemia conspersa CURTIS and Hydropsyche tenuis NAVAS (Insecta: Trichoptera)

Members of the speciose insect order Trichoptera (caddisflies) provide important ecosystem services, e.g. nutrient cycling through breaking down of organic matter. They are also of industrial intere...

Escherichia coli O80 hybrid pathotype strains producing Shiga toxin and ESBL: molecular characterization and potential therapeutic options

Objectives Enterohaemorrhagic Escherichia coli (EHEC) infections may be complicated by haemolytic uraemic syndrome (HUS). The emerging worldwide EHEC serogroup O80 has acquired a mosaic plasmid com...

Wengan: Efficient and high quality hybrid de novo assembly of human genomes

The continuous improvement of long-read sequencing technologies along with the development of ad-doc algorithms has launched a new de novo assembly era that promises high-quality genomes. However, i...

Nanopore sequencing and Hi-C scaffolding provide insight into the evolutionary dynamics of transposable elements and piRNA production in wild strains of Drosophila melanogaster

Illumina sequencing has allowed for population-level surveys of transposable element (TE) polymorphism via split alignment approaches, which has provided important insight into the population dynami...

The genome sequence of the octocoral Paramuricea clavata – a key resource to study the impact of climate change in the Mediterranean

The octocoral, Paramuricea clavata, is a habitat-forming anthozoan with a key ecological role in rocky benthic and biodiversity-rich communities in the Mediterranean and Eastern Atlantic. Shallow po...

A nanopore based chromosome-level assembly representing Atlantic cod from the Celtic Sea

Currently available genome assemblies for Atlantic cod (Gadus morhua) have been constructed using DNA from fish belonging to the Northeast Arctic Cod (NEAC) population; a migratory population feedin...

Intra-species differences in population size shape life history and genome evolution

The evolutionary forces shaping life history trait divergence within species are largely unknown. Killifish (oviparous Cyprinodontiformes) evolved an annual life cycle as an exceptional adaptation t...

Comprehensive analysis of structural variants in breast cancer genomes using single molecule sequencing

Improved identification of structural variants (SVs) in cancer can lead to more targeted and effective treatment options as well as advance our basic understanding of the disease and its progression...

Long-read sequencing of 3,622 Icelanders provides insight into the role of structural variants in human diseases and other traits

Long-read sequencing (LRS) promises to improve characterization of structural variants (SVs), a major source of genetic diversity. We generated LRS data on 3,622 Icelanders using Oxford Nanopore Tec...

Chromosome-level assembly of Drosophila bifasciata reveals important karyotypic transition of the X chromosome

The Drosophila obscura species group is one of the most studied clades of Drosophila and harbors multiple distinct karyotypes. Here we present a de novo genome assembly and annotation of D. bifasci...

Long-reads reveal that the chloroplast genome exists in two distinct versions in most plants

The chloroplast genome usually has a quadripartite structure consisting of a large single copy region and a small single copy region separated by two long inverted repeats. It has been known for som...

Fungal communities (Mycobiome) as potential ecological indicators within confluence stretch of Ganges and Yamuna Rivers, India

River confluences are a hub of biodiversity with limited information with respect to the structure and the functions of the microbial communities. The River Ganges is the national river of India, ha...

First report of Burkholderia pseudomallei ST412 and ST734 clones harbouring blaOXA-57 but susceptible to imipenem in India

Melioidosis caused by Burkholderia pseudomallei has become an important clinical threat, especially in Northern Australia and Southeast Asia. However, the genome information on this pathogen is limi...

Rapid identification of genomic structural variations with nanopore sequencing enables blood-based cancer monitoring

Somatic genomic structural variations (SVs) are promising personalized biomarkers for sensitive and specific detection of circulating tumor DNA (ctDNA) in liquid biopsies. However, affordable and fa...

Characteristics of a colistin-resistant Escherichia coli ST695 harboring the chromosomally-encoded mcr-1 gene

Enterobacteriaceae having chromosomally-encoded mcr-1 is rarely reported. In this study, we recovered a chromosomal mcr-1 carrying Escherichia coli, designated HeN100, from the feces of a diarrheal...

The WIPE assay for selection and elimination of HIV-1 provirus in vitro using latency-reversing agents

Persistence of HIV-1 latent reservoir cells during antiretroviral therapy (ART) is a major obstacle for curing HIV-1. Latency-reversing agents (LRAs) are under intensive development to reactivate an...

Full-coverage native RNA sequencing of HIV-1 viruses

Objective: To evaluate native RNA sequencing for sequencing HIV-1 viral genomes. Methods: Fifteen HIV-1 strains were processed with Direct RNA Sequencing (SQK-RNA002) library kits and sequenced on ...

Comprehensive analysis of horizontal gene transfer among multidrug-resistant bacterial pathogens in a single hospital

Multidrug-resistant bacterial pathogens pose a serious public health threat, especially in hospital settings. Horizontal gene transfer (HGT) of mobile genetic elements (MGEs) contributes to this thr...

Comparison of Shiga toxin-encoding bacteriophages in highly pathogenic strains of Shiga toxin-producing Escherichia coli O157:H7 in the UK

Over the last 35 years in the UK, the burden of Shiga toxin-producing Escherichia coli (STEC) O157:H7 infection has, during different periods of time, been associated with five different sub-lineage...

Identification of AbaR4 Acinetobacter baumannii resistance island in clinical isolates of blaOXA-23-positive Proteus mirabilis

Objectives blaOXA-23 is a class D carbapenemase-encoding gene typical of the Acinetobacter genus. However, its occurrence in the Enterobacteriaceae is uncommon. Here we provide the genome character...

Whole genome sequencing and assembly of the Asian honey bee Apis dorsata

The Asian honey bee (Apis dorsata) is distinct from its more widely distributed cousin A. mellifera by a few key characteristics. Most prominently, A. dorsata nest in the open by forming a colony cl...

Complete genome analysis of clinical Shigella strains reveals plasmid pSS1653 with resistance determinants: a triumph of hybrid approach

Shigella is ranked as the second leading cause of diarrheal disease worldwide. Though infection occurs in people of all ages, most of the disease burden constitutes among the children less than 5 ye...

Nanopore sequencing of African swine fever virus

African swine fever (ASF) is one of the most pathogenic viral diseases in pigs caused by African swine fever virus (ASFV). The fatality rate is almost 100%, which brings huge economic losses to the ...

Unlinked rRNA genes are widespread among bacteria and archaea

Ribosomes are essential to cellular life and the genes for their RNA components are the most conserved and transcribed genes in bacteria and archaea. Ribosomal RNA genes are typically organized into...

Multiple evidences suggest sox2 as the main driver of a young and complex sex determining ZW/ZZ system in turbot (Scophthalmus maximus)

A major challenge in evolutionary biology is to find an explanation for the variation in sex-determining (SD) systems across taxa and to understand the mechanisms driving sex chromosome differentiat...

High-throughput multiplexed tandem repeat genotyping using targeted long-read sequencing

Tandem repeats (TRs) are highly prone to variation in copy numbers due to their repetitive and unstable nature, which makes them a major source of genomic variation between individuals. However, pop...

Complete genome sequence of Oryctes rhinoceros nudivirus isolated from coconut rhinoceros beetle in Solomon Islands

Oryctes nudivirus (species OrNV) has been an effective biocontrol agent against the insect pest Oryctes rhinoceros (Coleoptera: Scarabaeidae) for decades, but there is evidence that resistance could...

Nanopore sequencing improves the draft genome of the human pathogenic amoeba Naegleria fowleri

Naegleria fowleri is an environmental protist found in soil and warm freshwater sources worldwide and is known for its ability to infect humans and causing a rapid and mostly fatal primary amoebic m...

Complete hybrid genome assembly of clinical multidrug-resistant Bacteroides fragilis isolates enables comprehensive identification of antimicrobial-resistance genes and plasmids

Bacteroides fragilis constitutes a significant part of the normal human gut microbiota and can also act as an opportunistic pathogen. Antimicrobial resistance (AMR) and the prevalence of AMR genes a...

Nanopore sequencing of DNA concatemers reveals higher-order features of chromatin structure

Higher-order chromatin structure arises from the combinatorial physical interactions of many genomic loci. To investigate this aspect of genome architecture we developed Pore-C, which couples chroma...

Complete microbial genomes for public health in Australia and Southwest Pacific

Complete genomes of microbial pathogens are essential for the phylogenomic analyses that increasingly underpin core public health lab activities. Here, we present complete genomes of pathogen strain...

Optimizing DNA extraction methods for Nanopore sequencing of Neisseria gonorrhoeae direct from urine samples

Background Empirical gonorrhoea treatment at initial diagnosis reduces onward transmission. However, increasing resistance to multiple antibiotics may necessitate waiting for culture-based diagnosti...

Establishment of an eHAP1 human haploid cell line hybrid reference genome assembled from short and long reads

Background Haploid cell lines are a valuable research tool with broad applicability for genetic assays. As such the fully haploid human cell line, eHAP1, has been used in a wide array of studies. Ho...

Long‐read nanopore sequencing resolves a TMEM231 gene conversion event causing Meckel‐Gruber syndrome

The diagnostic deployment of massively parallel short‐read next generation sequencing (NGS) has greatly improved genetic test availability, speed and diagnostic yield, particularly for rare inherite...

Long reads, short time: feasibility of prenatal sample karyotyping by nanopore genome sequencing

Chromosomal abnormalities causing genomic imbalance are a major cause of congenital developmental defects and intellectual disability, constituting the leading cause of stillbirth and birth with mal...

Lost in Translation: population genomics of porcini mushrooms (Boletus edulis) challenges use of ITS for DNA barcoding in Fungi

The internal transcribed spacers (ITS) of the rDNA cistron are the most commonly used DNA barcoding region in Fungi. rDNA genes are repeated dozens to hundreds of times in the eukaryotic genome and ...

Centromere scission drives chromosome shuffling and reproductive isolation

A fundamental characteristic of eukaryotic organisms is the generation of genetic variation via sexual reproduction. Conversely, significant large-scale genome variation could hamper sexual reproduc...

Interview: Old is new: maximizing read lengths and yield for genome assembly

Date: Thursday 24th October Time: 4pm UK time Speaker: John Tyson, University of British Columbia

An assessment of Oxford Nanopore sequencing for human gut metagenome profiling: a pilot study of head and neck cancer patients

Gut metagenome profiling using the Oxford Nanopore Technology (ONT) sequencer was assessed in a pilot-sized study of 10 subjects. The taxonomic abundance of gut microbiota derived from ONT was compa...

Genomics of aerobic photoheterotrophs in wheat phyllosphere reveals divergent evolutionary patterns of photosynthetic genes in Methylobacterium spp.

Phyllosphere is a habitat to a variety of viruses, bacteria, fungi, and other microorganisms, which play a fundamental role in maintaining the health of plants and mediating the interaction between ...

High-quality chromosome-scale assembly of the walnut (Juglans regia L.) reference genome

Background The release of the first reference genome of walnut (Juglans regia L.) enabled many achievements in the characterization of walnut genetic and functional variation. However, it is highly ...

Integrating whole-genome sequencing within the National Antimicrobial Resistance Surveillance Program in the Philippines

National networks of laboratory-based surveillance of antimicrobial resistance (AMR) monitor resistance trends and disseminate these data to AMR stakeholders. Whole-genome sequencing (WGS) can supp...

Best foot forward: Nanopore long reads, hybrid meta-assembly, and haplotig purging optimizes the first genome assembly for the Southern Hemisphere Blacklip abalone (Haliotis rubra)

Marine molluscs of the family Haliotidae, commonly referred to as abalone, are a group of benthic reef species targeted by commercial fisheries in 11 countries, forming an important global industry ...

Chromosome-level genome assembly of the greenfin horse-faced filefish (Thamnaconus septentrionalis) using Oxford Nanopore PromethION sequencing and Hi-C technology

The greenfin horse‐faced filefish, Thamnaconus septentrionalis, is a valuable commercial fish species that is widely distributed in the Indo‐West Pacific Ocean. This fish has characteristic blue‐gr...

Genetic diversity and thermal performance in invasive and native populations of African fig flies

During biological invasions, alien populations can suffer losses of genetic diversity that are predicted to negatively impact their fitness/performance. Using genome sequences, we show that invasive...

Extended-spectrum beta-lactamase antibiotic resistance plasmids have diverse transfer rates and can be spread in the absence of selection

Horizontal gene transfer, mediated by conjugative plasmids, is one of the main drivers of the global spread of antibiotic resistance. However, the relative contributions of different factors that un...

Genome elimination mediated by gene expression from a selfish chromosome

Numerous plants and animals harbor selfish B chromosomes that “drive,” or transmit themselves at higher-than-Mendelian frequencies, despite long-term fitness costs to the organism. Currently it is u...

The sugarcane mitochondrial genome: assembly, phylogenetics and transcriptomics

Background Chloroplast genomes provide insufficient phylogenetic information to distinguish between closely related sugarcane cultivars, due to the recent origin of many cultivars and the conserved ...

Initial data release and announcement of the Fish10K: Fish 10,000 Genomes Project

With more than 30,000 species, fish are the largest and most ancient vertebrate group. Despite their critical roles in many ecosystems and human society, fish genomics lags behind work on birds and ...

Insights from the revised complete genome sequences of Acinetobacter baumannii strains AB307-0294 and ACICU belonging to global clones 1 and 2

The Acinetobacter baumannii global clone 1 isolate AB307-0294, recovered in the USA in 1994, and the global clone 2 (GC2) isolate ACICU, isolated in 2005 in Italy, were among the first A. baumannii ...

Combinatorial analysis of Saccharomyces cerevisiae regulatory elements

Gene expression in Saccharomyces cerevisiae is regulated at multiple levels. Genomic and epigenomic mapping of transcription factors and chromatin components has led to the definition and delineatio...

Strain-level identification of bacterial tomato pathogens directly from metagenomic sequences

Routine strain-level identification of plant pathogens directly from symptomatic tissue could significantly improve plant disease control and prevention. Here we tested the Oxford Nanopore Technolog...

Draft genome of a porcupinefish, Diodon Holocanthus

The long-spine porcupinefish, Diodon holocanthus (Diodontidae, Tetraodontiformes, Actinopterygii), also known as the freckled porcupinefish, attracts great interest of ecology and economy. Its disti...

The genome of Caenorhabditis bovis

The free-living nematode Caenorhabditis elegans is a key laboratory model for metazoan biology. C. elegans has also become a model for parasitic nematodes despite being only distantly related to mos...

Genome sequence of the cluster root forming white lupin

White lupin (Lupinus albus L.) is a legume that produces seeds recognized for their high protein content and good nutritional value (lowest glycemic index of all grains, high dietary fiber content, ...

Rapid detection of genetic engineering, structural variation, and antimicrobial resistance markers in bacterial biothreat pathogens by nanopore sequencing

Widespread release of Bacillus anthracis (anthrax) or Yersinia pestis (plague) would prompt a public health emergency. During an exposure event, high-quality whole genome sequencing (WGS) can identi...

Genomics to aid species delimitation and effective conservation of the Sharpnose Guitarfish (Glaucostegus granulatus)

The Sharpnose Guitarfish (Glaucostegus granulatus) is one of fifteen critically endangered Rhino Rays which has been exploited as incidental catch, leading to severe population depletions and locali...

Long transposon-rich centromeres in an oomycete reveal divergence of centromere features in Stramenopila-Alveolata-Rhizaria lineages

Centromeres are chromosomal regions that serve as platforms for kinetochore assembly and spindle attachments, ensuring accurate chromosome segregation during cell division. Despite functional conser...

Ciprofloxacin facilitates the transfer of XDR plasmids from commensal E. coli into epidemic fluoroquinolone-resistant Shigella sonnei

The global dissemination of a ciprofloxacin-resistant (cipR) S. sonnei clone outlines the mobility of this important agent of diarrheal disease, and threatens the utility of ciprofloxacin as a first...

Temporary adhesion of the proseriate flatworm Minona ileanae

Flatworms can very rapidly attach to and detach from many substrates. In the presented work, we analysed the adhesive system of the marine proseriate flatworm Minona ileanae. We used light-, scannin...

Identifying transposon insertions in bacterial genomes through nanopore sequencing

Transposon mutagenesis is a widely used tool for carrying out forward genetic screens across systems, but in some cases it can be difficult to identify transposon insertion points after successful p...

Completing circular bacterial genomes with assembly complexity by using a sampling strategy from a single MinION run with barcoding

The Oxford Nanopore MinION is an affordable and portable DNA sequencer that can produce very long reads (tens of kilobase pairs), which enable de novo bacterial genome assembly. Although many algori...

Chromosomal rearrangements and loss of subtelomeric adhesins linked to clade-specific phenotypes in Candida auris

Candida auris is an emerging fungal pathogen of rising concern due to its increasing incidence, its ability to cause healthcare-associated outbreaks and antifungal resistance. Genomic analysis revea...

Draft assembly of Phytopthora capsici from long-read sequencing uncovers complexity

Resolving complex plant pathogen genomes is important for identifying the genomic shifts associated with rapid adaptation to selective agents such as host and fungicide, yet assembling these genomes...

Pathogen detection and microbiome analysis of infected wheat using a portable DNA sequencer

Fungal diseases of plants are responsible for major losses in agriculture, highlighting the need for rapid and accurate identification of plant pathogens. Disease outcomes are often defined not only...

Non-hierarchical, RhlR-regulated acyl-homoserine lactone quorum sensing in a cystic fibrosis isolate of Pseudomonas aeruginosa

The opportunistic pathogen Pseudomonas aeruginosa is a leading cause of airway infection in cystic fibrosis (CF) patients. P. aeruginosa employs several hierarchically arranged and interconnected qu...

The diagnostic chronic lymphocytic leukaemia genome by nanopore sequencing

Chronic lymphocytic leukaemia (CLL) is characterised by considerable clinical and biological heterogeneity, with specific recurrent genomic alterations, including TP53 mutations, deletions of chromo...

Dynamic turnover of centromeres drives karyotype evolution in Drosophila

Centromeres are the basic unit for chromosome inheritance, but their evolutionary dynamics is poorly understood. We generate high-quality reference genomes for multiple Drosophila obscura group spec...

Comparison of single-nucleotide variants identified by Illumina and Oxford Nanopore technologies in the context of a potential outbreak of Shiga toxin–producing Escherichia coli

A comparison between short-read and long-read nanopore sequencing data from two isolates of E.coli STEC O157:H7 was used to determine the concordance of SNP calling between the two technologies. Fro...

Resistance to piperacillin/tazobactam in Escherichia coli resulting from extensive IS26-associated gene amplification of blaTEM-1

Background blaTEM-1 encodes a narrow-spectrum β-lactamase that is inhibited by β-lactamase inhibitors and commonly present in Escherichia coli. Hyperproduction of blaTEM-1 may cause resistance to p...

Mapping of transgenic alleles in soybean using a nanopore-based sequencing strategy

Transgenic technology was developed to introduce transgenes into various organisms to validate gene function and add genetic variations &gt;40 years ago. However, the identification of the transgene...

Long live the king: chromosome-level assembly of the lion (Panthera leo) using linked-read, Hi-C, and long read data

Background The lion (Panthera leo) is one of the most popular and iconic feline species on the planet, yet in spite of its popularity, the last century has seen massive declines for lion populations...

Detection of atypical porcine Pestivirus genome in newborn piglets affected by congenital tremor and high pre-weaning mortality

Recently, piglets from a high-health status farm began exhibiting congenital tremors, high pre-weaning mortality and incidence of splayed legs. Postmortem histological examination identified a small...

Extreme genome selection towards complete antimicrobial resistance in a nosocomial strain of Stenotrophomonas maltophilia complex

We report first complete genome sequence and analysis of an extreme drug resistance (XDR) nosocomial Stenotrophomonas maltophilia that is resistant to the mainstream drugs i.e. trimethoprim/sulfamet...

Large plasmid complement resolved: complete genome sequencing of Lactobacillus plantarum MF1298, a candidate probiotic strain associated with unfavorable effect

Considerable attention has been given to the species Lactobacillus plantarum regarding its probiotic potential. L. plantarum strains have shown health benefits in several studies, and even nonstrain...

Long-read sequencing identified a causal structural variant in an exome-negative case and enabled preimplantation genetic diagnosis

Background For a proportion of individuals judged clinically to have a recessive Mendelian disease, only one heterozygous pathogenic variant can be found from clinical whole exome sequencing (WES), ...

De novo genome assembly of the meadow brown butterfly, Maniola jurtina

Meadow brown butterflies (Maniola jurtina) on the Isles of Scilly represent an ideal model in which to dissect the links between genotype, phenotype and long-term patterns of selection in the wild -...

Genome of the Komodo dragon reveals adaptations in the cardiovascular and chemosensory systems of monitor lizards

Monitor lizards are unique among ectothermic reptiles in that they have high aerobic capacity and distinctive cardiovascular physiology resembling that of endothermic mammals. Here, we sequence the ...

Characterization of a Y-specific duplication/insertion of the anti-Mullerian hormone type II receptor gene based on a chromosome-scale genome assembly of yellow perch, Perca flavescens

Yellow perch, Perca flavescens, is an ecologically and economically important species native to a large portion of the northern United States and southern Canada and is also a promising candidate sp...

Viral gene drive in herpesviruses

Herpesviruses are ubiquitous pathogens in need of novel therapeutic solutions. Current engineered gene drive strategies rely on sexual reproduction, and are thought to be restricted to sexual organi...

Identification of intermediate-sized deletions and inference of their impact on gene expression in a human population

Background Next-generation sequencing has allowed for the identification of different genetic variations, which are known to contribute to diseases. Of these, insertions and deletions are the secon...

Hybrid genome assembly of a neotropical mutualistic ant

The success of social insects is largely intertwined with their highly advanced chemical communication system that facilitates recognition and discrimination of species and nest-mates, recruitment, ...

Genomic characterization of mumps viruses from a large-scale mumps outbreak in Arkansas, 2016

In 2016, a year-long large-scale mumps outbreak occurred in Arkansas among a highly-vaccinated population. A total of 2954 mumps cases were identified during this outbreak. The majority of cases (16...

De novo assembly of a chromosome‐level reference genome of Red Spotted Grouper (Epinephelus akaara) using nanopore sequencing and Hi‐C

The red spotted grouper Epinephelus akaara (E. akaara) is one of the most economically important marine fish in China, Japan and Southeast Asia, and is a threatened species. The species is also cons...

High satellite repeat turnover in great apes studied with short- and long-read technologies

Satellite repeats are a structural component of centromeres and telomeres, and in some instances their divergence is known to drive speciation. Due to their highly repetitive nature, satellite seque...

Comparative genomics of Alternaria species provides insights into the pathogenic lifestyle of Alternaria brassicae – a pathogen of the Brassicaceae family

Alternaria brassicae, a necrotrophic pathogen, causes Alternaria Leaf Spot, one of the economically important diseases of Brassica crops. Many other Alternaria spp. such as A. brassicicola and A. al...

The Genome of the Steller Sea Lion (Eumetopias jubatus)

The Steller sea lion is the largest member of the Otariidae family and is found in the coastal waters of the northern Pacific Rim. Here, we present the Steller sea lion genome, determined through DN...

Increasing the efficiency of long-read sequencing for hybrid assembly with k-mer-based multiplexing

Hybrid genome assembly has emerged as an important technique in bacterial genomics, but cost and labour requirements limit large-scale application. We present Ultraplexing, a method to improve per-s...

The Dark Matter of large cereal genomes: long tandem repeats

Reference genomes of important cereals, including barley, emmer wheat and bread wheat, were released recently. Their comparison with genome size estimates obtained by flow cytometry indicated that t...

Genome assembly and characterization of a complex zfBED-NLR gene-containing disease resistance locus in Carolina Gold Select rice with Nanopore sequencing

Background Long-read sequencing facilitates assembly of complex genomic regions. In plants, loci containing nucleotide-binding, leucine-rich repeat (NLR) disease resistance genes are an important e...

Metagenomic Nanopore sequencing of influenza virus direct from clinical respiratory samples

Influenza is a major global public health threat as a result of its highly pathogenic variants, large zoonotic reservoir, and pandemic potential. Metagenomic viral sequencing offers the potential of...

Accurate assembly of the olive baboon (Papio anubis) genome using long-read and Hi-C data

Background Baboons are a widely used nonhuman primate model for biomedical, evolutionary, and basic genetics research. Despite this importance, the genomic resources for baboons are limited. In part...

Complete genome sequence of Bacillus mycoides TH26, isolated from a permafrost thaw gradient

Here, we describe the complete genome assembly of a Bacillus mycoides isolate collected from a boreal forest soil associated with permafrost thaw. Using only long-read Nanopore sequences and VolTRAX...

MinION Sequencing of colorectal cancer tumour microbiomes – a comparison with amplicon-based and RNA-Sequencing

Recent evidence suggests a role for the gut microbiome in the development and progression of colorectal cancer. In this study we compare MinION sequencing with meta-transcriptomics and amplicon-base...

Draft genome sequence of first monocot-halophytic species Oryza coarctata reveals stress-specific genes

Oryza coarctata (KKLL; 2n = 4x = 48, 665 Mb) also known as Porteresia coarctata is an extreme halophyte species of the genus Oryza. Using Illumina and Nanopore reads, we achieved an assembled genome...

Illumina and Nanopore methods for whole genome sequencing of hepatitis B virus (HBV)

Advancing interventions to tackle the huge global burden of hepatitis B virus (HBV) infection depends on improved insights into virus epidemiology, transmission, within-host diversity, drug resistan...

Tracking of antibiotic resistance transfer and rapid plasmid evolution in a hospital setting by Nanopore sequencing

Background Infection of patients with multidrug-resistant (MDR) bacteria often leave very limited or no treatment options. The transfer of antimicrobial resistance genes (ARG) carrying plasmids bet...

De novo assembly of the Indian blue peacock (Pavo cristatus) genome using Oxford Nanopore technology and Illumina sequencing

Background The Indian peafowl (Pavo cristanus) is native to South Asia and is the national bird of India. Here we present a draft genome sequence of the male blue peacock using Illumina and Oxford ...

Nanopore sequencing and complete assembly of the European lobster (Homarus gammarus) mitogenome uncovers the missing nad2 and a new major gene cluster duplication

Background The recently published complete mitogenome of the European lobster (Homarus gammarus) that was generated using long-range PCR exhibits unusual gene composition (missing nad2) and gene rea...

The bagworm genome reveals a unique fibroin gene that provides high tensile strength

Arthropod silk is known as a versatile tool, and its variability makes it an attractive biomaterial. Eumeta variegata is a bagworm moth (Lepidoptera, Psychidae) that uses silk throughout all life st...

Long read sequencing reveals a novel class of structural aberrations in cancers: identification and characterization of cancerous local amplifications

Here we report identification of a new class of local structural aberrations in lung cancers. The whole-genome sequencing of cell lines using a long read sequencer, PromethION, demonstrated that typ...

Ectosymbiotic bacteria at the origin of magnetoreception in a marine protist

Mutualistic symbioses are often a source of evolutionary innovation and drivers of biological diversification. Widely distributed in the microbial world, particularly in anoxic settings, they often ...

Scalable biosynthesis of the seaweed neurochemical kainic acid

Kainic acid, the flagship member of the kainoid family of natural neurochemicals, is a widely used neuropharmacological agent that helped unravel the key role of ionotropic glutamate receptors, incl...

Towards high quality real-time whole genome sequencing during outbreaks using Usutu virus as example

Recently, protocols for amplicon based whole genome sequencing using Nanopore technology have been described for Ebola virus, Zika virus, yellow fever virus and West Nile virus. However, there is so...

Assembly-free single-molecule nanopore sequencing recovers complete virus genomes from natural microbial communities

Viruses are the most abundant biological entities on Earth and play key roles in host ecology, evolution, and horizontal gene transfer. Despite recent progress in viral metagenomics, the inherent ge...

Characterization of the stability and dynamics of Tn6330 in an Escherichia coli strain by nanopore long reads

Background The mcr-1 gene has been widely reported in both bacterial chromosomes and plasmids, while its stability in these genetic materials is not well understood. Objectives Our aim was to ch...

Nanopore sequencing reads improve assembly and gene annotation of the Parochlus steinenii genome

Parochlus steinenii is a winged midge from King George Island. It is cold-tolerant and endures the harsh Antarctic winter. Previously, we reported the genome of this midge, but the genome assembly w...

First description of arginine catabolic mobile element (ACME) type VI harboring the kdp operon only in Staphylococcus epidermidis using short and long read whole genome sequencing: Further evidence of ACME diversity

The arginine catabolic mobile element (ACME) was first described in methicillin-resistant Staphylococcus aureus and is considered to enhance transmission, persistence and survival. Subsequently ACME...

Semi-quantitative characterisation of mixed pollen samples using MinION sequencing and Reverse Metagenomics (RevMet)

Peel and colleagues describe their RevMet (Reverse Metagenomics) pipeline that enables reliable and semi-quantitative characterisation of mixed eukaryote samples, such as mixed pollen samples. This ...

Mobile antibiotic resistome in wastewater treatment plants revealed by Nanopore metagenomic sequencing

In this article, Che et al. performed metagenomic sequencing of wastewater treatment samples to identify the hosts of antibacterial resistance genes and monitor their spread. Nanopore long-reads gre...

Epidemiologic and genomic insights on mcr-1-harbouring Salmonella from diarrhoeal outpatients in Shanghai, China, 2006–2016

Background Colistin resistance mediated by mcr-1-harbouring plasmids is an emerging threat in Enterobacteriaceae, like Salmonella. Based on its major contribution to the diarrhoea burden, the epide...

Influenza A virus field surveillance at a swine-human interface

While working overnight at a swine exhibition, we identified an influenza A virus (IAV) outbreak in swine, Nanopore sequenced 13 IAV genomes from samples we collected, and predicted in real time tha...

‘Genome skimming’ with the MinION hand-held sequencer identifies CITES-listed shark species in India’s exports market

Chondrichthyes - sharks, rays, skates, and chimeras, are among the most threatened and data deficient vertebrate species. Global demand for shark and ray derived products, drives unregulated and exp...

Loss of DPP6 in neurodegenerative dementia: a genetic player in the dysfunction of neuronal excitability

Long nanopore reads enhance structural variant resolution. Cacace et al. performed whole genome sequencing to investigate an unresolved autosomal dominant dementia family; long reads obtained from P...

Nanopore sequencing for fast determination of plasmids, phages, virulence markers, and antimicrobial resistance genes in Shiga toxin-producing Escherichia coli

Whole genome sequencing can provide essential public health information. However, it is now known that widely used short-read methods have the potential to miss some randomly-distributed segments of...

Nanopore ultra-long read sequencing technology for antimicrobial resistance detection in Mannheimia haemolytica

Disruptive innovations in long-range, cost-effective direct template nucleic acid sequencing are transforming clinical and diagnostic medicine. A multidrug resistant strain and a pan-susceptible str...

Complete assembly of Escherichia coli ST131 genomes using long reads demonstrates antibiotic resistance gene variation within diverse plasmid and chromosomal contexts

The incidence of infections caused by extraintestinal Escherichia coli (ExPEC) is rising globally, which is a major public health concern. ExPEC strains that are resistant to antimicrobials have bee...

Rapid, multiplexed, whole genome and plasmid sequencing of foodborne pathogens using long-read nanopore technology

U.S. public health agencies have employed next-generation sequencing (NGS) as a tool to quickly identify foodborne pathogens during outbreaks. Although established short-read NGS technologies are kn...

Long-read sequencing identifies GGC repeat expansions in NOTCH2NLC associated with neuronal intranuclear inclusion disease

Neuronal intranuclear inclusion disease (NIID) is a progressive neurodegenerative disease that is characterized by eosinophilic hyaline intranuclear inclusions in neuronal and somatic cells. The wid...

Hybrid genome assembly and annotation of Danionella translucida, a transparent fish with the smallest known vertebrate brain

Studying the activity of distributed neuronal circuits at a cellular resolution in vertebrates is very challenging due to the size and optical turbidity of their brains. We recently presented Danion...

Genomes of a major nosocomial pathogen Enterococcus faecium are shaped by adaptive evolution of the chromosome and plasmidome

Enterococcus faecium is a gut commensal of many mammals but is also recognized as a major nosocomial human pathogen, as it is listed on the WHO global priority list of multi-drug resistant organisms...

Locating and characterizing a transgene integration site by nanopore sequencing

Transgenes are foreign DNA experimentally introduced into a genome; often they integrate at random positions in multiple copies and can disrupt genes. Locating the site of DNA incorporation is diffi...

Retrotranspositional landscape of Asian rice revealed by 3000 genomes

The recent release of genomic sequences for 3000 rice varieties provides access to the genetic diversity at species level for this crop. We take advantage of this resource to unravel some features o...

Systematic analysis of dark and camouflaged genes reveals disease-relevant genes hiding in plain sight

Background The human genome contains “dark” gene regions that cannot be adequately assembled or aligned using standard short-read sequencing technologies, preventing researchers from identifying mut...

Evaluation of strategies for the assembly of diverse bacterial genomes using MinION long-read sequencing

Background Short-read sequencing technologies have made microbial genome sequencing cheap and accessible. However, closing genomes is often costly and assembling short reads from genomes that are r...

Long-range single-molecule mapping of chromatin accessibility in eukaryotes

Active regulatory elements in eukaryotes are typically characterized by an open, nucleosome depleted chromatin structure; mapping areas of open chromatin has accordingly emerged as a widely used too...

Simultaneous profiling of chromatin accessibility and methylation on human cell lines with nanopore sequencing

Probing epigenetic features on DNA has tremendous potential to advance our understanding of the phased epigenome. In this study, we use nanopore sequencing to evaluate CpG methylation and chromati...

Multi-drug resistant Enterobacter bugandensis species isolated from the International Space Station and comparative genomic analyses with human pathogenic strains

Background The antimicrobial resistance (AMR) phenotypic properties, multiple drug resistance (MDR) gene profiles, and genes related to potential virulence and pathogenic properties of five Enterob...

Repeat expansion and methylation state analysis with nanopore sequencing

Expansions of short tandem repeats are genetic variants that have been implicated in neuropsychiatric and other disorders but their assessment remains challenging with current molecular methods. Her...

A chromosome-scale assembly of the sorghum genome using nanopore sequencing and optical mapping

Long-read sequencing technologies have greatly facilitated assemblies of large eukaryotic genomes. In this paper, Oxford Nanopore sequences generated on a MinION sequencer are combined with Bionano ...

Ongoing human chromosome end extension revealed by analysis of BioNano and nanopore data

The majority of human chromosome ends remain incompletely assembled due to their highly repetitive structure. In this study, we use BioNano data to anchor and extend chromosome ends from two Europea...

Resolving structural diversity of Carbapenemase-producing gram-negative bacteria using single molecule sequencing

Carbapenemase-producing bacteria are resistant against almost all commonly used betalactam and cephalosporin antibiotics and represent a growing public health crisis. Carbapenemases reside predomina...

Chromosome-scale assemblies of plant genomes using nanopore long reads and optical maps

Plant genomes are often characterized by a high level of repetitiveness and polyploid nature. Consequently, creating genome assemblies for plant genomes is challenging. The introduction of short-rea...

Hybrid metagenomic assembly enables high-resolution analysis of resistance determinants and mobile elements in human microbiomes

Characterization of microbiomes has been enabled by high-throughput metagenomic sequencing. However, existing methods are not designed to combine reads from short- and long-read technologies. We pre...

NanoSatellite: accurate characterization of expanded tandem repeat length and sequence through whole genome long-read sequencing on PromethION

Technological limitations have hindered the large-scale genetic investigation of tandem repeats in disease. We show that long-read sequencing with a single Oxford Nanopore Technologies PromethION f...

Genome-wide measurement of local nucleosome array regularity and spacing by nanopore sequencing

The nature of chromatin as regular succession of nucleosomes has gained iconic status. However, since most nucleosomes in metazoans are poorly positioned it is unknown to which extent bulk genomic n...

Ancestral admixture and structural mutation define global biodiversity in fission yeast

Mutation and recombination are key evolutionary processes governing phenotypic variation and reproductive isolation. We here demonstrate that biodiversity within all globally known strains of Schizo...

Generating a high‐confidence reference genome map of the Greater Duckweed by integration of cytogenomic, optical mapping and Oxford Nanopore technologies

Duckweeds are the fastest growing angiosperms and have the potential to become a new generation of sustainable crops. Although a seed plant, Spirodela polyrhiza clones rarely flower and multiply mai...

Rapid whole-genome based typing and surveillance of avipoxviruses using nanopore sequencing

Avian pox is an infectious disease caused by avipoxviruses (APV), resulting in cutaneous and/or tracheal lesions. Poxviruses share large genome sizes (from 130 to 360 kb), featuring repetitions, del...

Streptomyces spp. From Ethiopia Producing Antimicrobial Compounds: Characterization via Bioassays, Genome Analyses, and Mass Spectrometry

A total of 416 actinomycete cultures were isolated from various unique environments in Ethiopia and tested for bioactivity. Six isolates with pronounced antimicrobial activity were chosen for taxono...

Fusobacterium Genomics Using MinION and Illumina Sequencing Enables Genome Completion and Correction

Understanding the virulence mechanisms of human pathogens from the genus Fusobacteriumhas been hindered by a lack of properly assembled and annotated genomes. Here we report the first complete genom...

Breakpoint mapping of a novel de novo translocation t(X;20)(q11.1;p13) by positional cloning and long read sequencing

Disease associated chromosomal rearrangements often have break points located within disease causing genes or in their vicinity. The purpose of this study is to characterize a balanced reciprocal tr...

Evolution via recombination: Cell-to-cell contact facilitates larger recombination events in Streptococcus pneumoniae

Homologous recombination in the genetic transformation model organism Streptococcus pneumoniae is thought to be important in the adaptation and evolution of this pathogen. While competent pneumococc...

Availability of Nanopore sequences in the genome taxonomy for Vibrionaceae systematics: Rumoiensis clade species as a test case

Whole genome sequence comparisons have become essential for establishing a robust scheme in bacterial taxonomy. To generalize this genome-based taxonomy, fast, reliable, and cost-effective genome se...

Assessment of metagenomic Nanopore and Illumina sequencing for recovering whole genome sequences of chikungunya and dengue viruses directly from clinical samples

Background The recent global emergence and re-emergence of arboviruses has caused significant human disease. Common vectors, symptoms and geographical distribution make differential diagnosis both ...

Long-read metagenomics reveals cryptic and abundant marine viruses

Marine bacteriophages impact global biogeochemical cycles via their influence on host community structure and function, yet our understanding of viral ecology is constrained by limitations in cultur...

Novel prosthecate bacteria from the candidate phylum Acetothermia

Members of the candidate phylum Acetothermia are globally distributed and detected in various habitats. However, little is known about their physiology and ecological importance. In this study, an o...

Draft genome of a high value tropical timber tree, Teak (Tectona grandis L. f): insights into SSR diversity, phylogeny and conservation

Teak (Tectona grandis L. f.) is one of the precious bench mark tropical hardwood having qualities of durability, strength and visual pleasantries. Natural teak populations harbour a variety of chara...

Recent Asian origin of chytrid fungi causing global amphibian declines

Globalized infectious diseases are causing species declines worldwide, but their source often remains elusive. We used whole-genome sequencing to solve the spatiotemporal origins of the most devasta...

Genomic and epidemiological monitoring of yellow fever virus transmission potential

The yellow fever virus (YFV) epidemic that began in Dec 2016 in Brazil is the largest in decades. The recent discovery of YFV in Brazilian Aedes sp. vectors highlights the urgent need to monitor the...

Direct RNA sequencing of the coding complete Influenza A virus genome

For the first time, a complete genome of an RNA virus has been sequenced in its original form. Previously, RNA was sequenced by the chemical degradation of radiolabelled RNA, a difficult method that...

Community-led comparative genomic and phenotypic analysis of the aquaculture pathogen Pseudomonas baetica a390T sequenced by Ion semiconductor and Nanopore technologies

Pseudomonas baetica strain a390T is the type strain of this recently described species and here we present its high-contiguity draft genome. To celebrate the 16th International Conference on Pseudom...

A complete high-quality MinION nanopore assembly of an extensively drug-resistant Mycobacterium tuberculosis Beijing lineage strain identifies novel variation in repetitive PE/PPE gene regions

A better understanding of the genomic changes that facilitate the emergence and spread of drug-resistant Mycobacterium tuberculosis strains is currently required. Here, we report the use of the MinI...

Nanopore sequencing and assembly of a human genome with ultra-long reads

We report the sequencing and assembly of a reference genome for the human GM12878 Utah/Ceph cell line using the MinION (Oxford Nanopore Technologies) nanopore sequencer. 91.2 Gb of sequence data, re...

Detection of subclonal L1 transductions in colorectal cancer by long-distance inverse-PCR and Nanopore sequencing

Long interspersed nuclear elements-1 (L1s) are a large family of retrotransposons. Retrotransposons are repetitive sequences that are capable of autonomous mobility via a copy-and-paste mechanism. I...

Rapid Nanopore Sequencing of Plasmids and Resistance Gene Detection in Clinical Isolates

Recent advances in nanopore sequencing technology have led to a substantial increase in throughput and sequence quality. Together, these improvements may permit real-time benchtop genomic sequencing...

First two cases of severe multifocal infections caused by Klebsiella pneumoniae in Switzerland: characterization of an atypical non-K1/K2-serotype strain causing liver abscess and endocarditis

Background We describe the first two multifocal invasive infections due to Klebsiella pneumoniae recently observed in Switzerland. Methods Phenotypic (MIC assays and string test) and molecular ...

Heterogeneous Genetic Location of mcr-1 in Colistin-Resistant Escherichia coli Isolated from Humans and Retail Chicken Meat in Switzerland: Emergence of mcr-1-Carrying IncK2 Plasmids

We characterized the genetic environment of mcr-1 in colistin-resistant Escherichia coli strains isolated in Switzerland during 2014-2016 from humans (n=3) and chicken meat (n=6). Whole genome and p...

Nanopore Long-Read Guided Complete Genome Assembly of Hydrogenophaga intermedia,

... and Genomic Insights into 4-Aminobenzenesulfonate, p-Aminobenzoic Acid and Hydrogen Metabolism in the Genus Hydrogenophaga. We improved upon the previously reported draft genome of Hydrogenopha...

The potential impact of nanopore sequencing on human genetics.

Nanopore sequencing has been available to customers for a little over three years. Recently the milestone of sequencing and assembling a human genome on this platform was achieved for the first time...

Linear assembly of a human centromere on the Y chromosome

The human genome reference sequence remains incomplete owing to the challenge of assembling long tracts of near-identical tandem repeats in centromeres. We implemented a nanopore sequencing strategy...

Sharing of carbapenemase-encoding plasmids between Enterobacteriaceae in UK sewage uncovered by MinION sequencing

Dissemination of carbapenem resistance among pathogenic Gram-negative bacteria is a looming medical emergency. Efficient spread of resistance within and between bacterial species is facilitated by m...

Same-day genomic and epigenomic diagnosis of brain tumors using real-time nanopore sequencing

Molecular classification of cancer has entered clinical routine to inform diagnosis, prognosis, and treatment decisions. At the same time, new tumor entities have been identified that cannot be defi...

High contiguity Arabidopsis thaliana genome assembly with a single nanopore flow cell

While many evolutionary questions can be answered by short read re-sequencing, presence/absence polymorphisms of genes and/or transposons have been largely ignored in large-scale intraspecific evolu...

De novo whole-genome assembly of a wild type yeast isolate using nanopore sequencing

Background: The introduction of the MinIONTM sequencing device by Oxford Nanopore Technologies may greatly accelerate whole genome sequencing. It has been shown that the nanopore sequence data, in c...

De novo Assembly of a New Solanum pennellii Accession Using Nanopore Sequencing

Recent updates in sequencing technology have made it possible to obtain Gigabases of sequence data from one single flowcell. Prior to this update, the nanopore sequencing technology was mainly used ...

The use of Oxford Nanopore native barcoding for complete genome assembly

The Oxford Nanopore Technologies MinIONTM is a mobile DNA sequencer that can produce long read sequences with a short turn-around time. Here we report the first demonstration of single contig genome...

Rapid de novo assembly of the European eel genome from nanopore sequencing reads

We have sequenced the genome of the endangered European eel using the MinION by Oxford Nanopore, and assembled these data using a novel algorithm specifically designed for large eukaryotic genomes. ...

Annotated mitochondrial genome with Nanopore R9 signal for Nippostrongylus brasiliensis

Nippostrongylus brasiliensis, a nematode parasite of rodents, has a parasitic life cycle that is an extremely useful model for the study of human hookworm infection, particularly in regards to the i...

MinION-based long-read sequencing and assembly extends the Caenorhabditis elegans reference genome

Advances in long-read single molecule sequencing have opened new possibilities for ‘benchtop’ whole-genome sequencing. The Oxford Nanopore Technologies MinION is a portable device that uses nanopore...

Identification of a novel species of papillomavirus in giraffe lesions using nanopore sequencing

Papillomaviridae form a large family of viruses that are known to infect a variety of vertebrates, including mammals, reptiles, birds and fish. Infections usually give rise to minor skin lesions but...

NA12878 Human Reference on Oxford Nanopore MinION

We have sequenced the CEPH1463 (NA12878/GM12878, Ceph/Utah pedigree) human genome reference standard on the Oxford Nanopore MinION using 1D ligation kits (450 bp/s) using R9.4 chemistry (FLO-MIN106)...

Sequencing the gigabase plant genome of the wild tomato species Solanum pennellii using Oxford Nanopore single molecule sequencing

Recent updates in Oxford Nanopore technology (R9.4) have made it possible to obtain GBases of sequence data from a single flowcell. However, unlike other next generation sequencing technology, Oxfor...

The Oxford Nanopore MinION: delivery of nanopore sequencing to the genomics community

Nanopore DNA strand sequencing has emerged as a competitive, portable technology. Reads exceeding 150 kilobases have been achieved, as have in-field detection and analysis of clinical pathogens. We ...

The megabase-sized fungal genome of Rhizoctonia solani assembled from nanopore reads only.

The ability to quickly obtain accurate genome sequences of eukaryotic pathogens at low costs provides a tremendous opportunity to identify novel targets for therapeutics, develop pesticides with inc...

Using MinION nanopore sequencing to generate a de novo eukaryotic draft genome: preliminary physiological and genomic description of the extremophilic red alga Galdieria sulphuraria strain SAG 107.79

Reported here is the de novo assembly of a eukaryotic genome using only MinION nanopore DNA sequence data by examining a novel Galdieria sulphuraria genome: strain SAG 107.79. This extremophilic red...

Comparison of bacterial genome assembly software for MinION data and their applicability to medical microbiology

Translating the Oxford Nanopore MinION sequencing technology into medical microbiology requires on-going analysis that keeps pace with technological improvements to the instrument and release of ass...

Mash: fast genome and metagenome distance estimation using MinHash

Mash extends the MinHash dimensionality-reduction technique to include a pairwise mutation distance and P value significance test, enabling the efficient clustering and search of massive sequence co...

A single chromosome assembly of Bacteroides fragilis strain BE1 from Illumina and MinION nanopore sequencing data

Second and third generation sequencing technologies have revolutionised bacterial genomics. Short-read Illumina reads result in cheap but fragmented assemblies, whereas longer reads are more expensi...

Draft Genome Sequence of the Pandoraea apista LMG 16407 Type Strain

Pandoraea species, in particular Pandoraea apista, are opportunistic, multidrug-resistant pathogens in persons with cystic fibrosis (CF). To aid in understanding the role of P. apista in CF lung dis...

Evaluation of hybrid and non-hybrid methods for de novo assembly of nanopore reads

Motivation Recent emergence of nanopore sequencing technology set a challenge for established assembly methods. In this work, we assessed how existing hybrid and non-hybrid de novo assembly methods ...

MinION Analysis and Reference Consortium: Phase 1 data release and analysis

The advent of a miniaturised DNA sequencing device with a high-throughput contextual sequencing capability embodies the next generation of large scale sequencing tools. The MinION™ Access Programme ...

Oxford Nanopore sequencing, hybrid error correction, and de novo assembly of a eukaryotic genome

Monitoring the progress of DNA molecules through a membrane pore has been postulated as a method for sequencing DNA for several decades. Recently, a nanopore-based sequencing instrument, the Oxford ...

MinION™ allied with 3D printed iChip – a workflow designed to let anyone discover new bacterial species in days

In this study, we adapt a protocol for the growth of previously uncultured environmental bacterial isolates, to make it compatible with whole genome sequencing. We demonstrate that in combination wi...

Noninvasive Prenatal Testing by Nanopore Sequencing of Maternal Plasma DNA: Feasibility Assessment

Noninvasive prenatal testing (NIPT) by maternal plasma DNA sequencing is now clinically available for screening fetal chromosomal aneuploidies; these tests have close to 99% sensitivity.. [subscript...

MinION nanopore sequencing of an influenza genome

Influenza epidemics and pandemics have significant impacts on economies, morbidity and mortality worldwide. The ability to rapidly, and accurately, sequence influenza viruses is instrumental in the ...

Real-time digital pathogen surveillance — the time is now

It is time to shake up public health surveillance. New technologies for sequencing, aided by friction-free approaches to data sharing, could have an impact on public health efforts.

Early insights into the potential of the Oxford Nanopore MinION for the detection of antimicrobial resistance genes

Genome sequencing will be increasingly used in the clinical setting to tailor antimicrobial prescribing and inform infection control outbreaks. A recent technological innovation that could reduce th...

A complete bacterial genome assembled de novo using only nanopore sequencing data

We have assembled de novo the Escherichia coli K-12 MG1655 chromosome in a single 4.6-Mb contig using only nanopore data. Our method has three stages: (i) overlaps are detected between reads and the...

Rapid draft sequencing and real-time nanopore sequencing in a hospital outbreak of Salmonella

Foodborne outbreaks of Salmonella remain a pressing public health concern. We recently detected a large outbreak of Salmonella enterica serovar Enteritidis phage type 14b affecting more than 30 pati...

Genome assembly using Nanopore-guided long and error-free DNA reads

Long-read sequencing technologies were launched a few years ago, and in contrast with short-read sequencing technologies, they offered a promise of solving assembly problems for large and complex ge...

MinION nanopore sequencing identifies the position and structure of a bacterial antibiotic resistance island

Short-read, high-throughput sequencing technology cannot identify the chromosomal position of repetitive insertion sequences that typically flank horizontally acquired genes such as bacterial virule...

A reference bacterial genome dataset generated on the MinION™ portable single-molecule nanopore sequencer

Background The MinION™ is a new, portable single-molecule sequencer developed by Oxford Nanopore Technologies. It measures four inches in length and is powered from the USB 3.0 port of a laptop comp...