Main menu

A genomic link in China roses: and they all lived prickly but water deficient ever after?


Prickles act against herbivores, pathogens or mechanical injury, while also prevent water loss. However, whether prickles have new function and the molecular genetics of prickle patterning remains poorly explored. Here, we generated a high-quality reference genome assembly for ‘Basye’s Thornless’ (BT), a prickle-free cultivar of Rosa wichuraiana, to identify genetic elements related to stem prickle development. The BT genome harbors a high level of sequence diversity in itself and between cultivar ‘Old Blush’ (R. chinensis), a founder genotype in rose domestication.

Inheritance of stem prickle density was determined and two QTL were identified. Differentially expressed genes in QTL were involved in water-related functions, suggesting that prickle density may hitchhike with adaptations to moist environments. While the prickle-related gene-regulatory-network (GRN) was highly conserved, the expression variation of key candidate genes was associated with prickle density. Our study provides fundamental resources and insights for genome evolution in the Rosaceae. Ongoing efforts on identification of the molecular bases for key rose traits may lead to the improvement of horticultural markets.

Authors: Mi-Cai Zhong, Xiao-Dong Jiang, Guo-Qian Yang, Wei-Hua Cui, Zhi-Quan Suo, Wei-Jia Wang, Yi-Bo Sun, Dan Wang, Xin-Chao Cheng, Xu-Ming Li, Xue Dong, Kai-Xue Tang, De-Zhu Li, Jin-Yong Hu

入門

MinION Starter Packを購入 ナノポア製品の販売 シークエンスサービスプロバイダー グローバルディストリビューター

ナノポア技術

ナノポアの最新ニュースを購読 リソースと発表文献 Nanopore Communityとは

Oxford Nanoporeについて

ニュース 会社沿革 持続可能性 経営陣 メディアリソース & お問い合わせ先 投資家向け パートナー向け Oxford Nanopore社で働く 現在の募集状況 営業上の情報 BSI 27001 accreditationBSI 90001 accreditationBSI mark of trust
Japanese flag