设为首页  |  加入收藏  |  联系我们  |  English  |  中国科学院  
 首  页  实验室概况 研究队伍 科研工作 平台建设 开放交流 人才培养 规章制度
 
  当前位置:首页 > 最新论文  
Reference Genome Assemblies Reveal the Origin and Evolution of Allohexaploid Oat
 Yuanying Peng, Honghai Yan, Laichun Guo, Cao Deng, Chunlong Wang, Yubo Wang, Lipeng Kang, Pingping Zhou, Kaiquan Yu, Xiaolong Dong, Xiaomeng Liu, Zongyi Sun, Yun Peng, Jun Zhao, Di Deng, Yinghong Xu, Ying Li, Qiantao Jiang, Yan Li, Liming Wei, Jirui Wang, Jian Ma, Ming Hao, Wei Li, Houyang Kang, Zhengsong Peng, Dengcai Liu, Jizeng Jia, Youliang Zheng, Tao Ma, Yuming Wei, Fei Lu, Changzhong Ren

Nature Genetics
 
Abstract
Common oat (Avena sativa) is an important cereal crop serving as a valuable source of forage and human food. Although reference genomes of many important crops have been generated, such work in oat has lagged behind, primarily owing to its large, repeat-rich polyploid genome. Here, using Oxford Nanopore ultralong sequencing and Hi-C technologies, we have generated a reference-quality genome assembly of hulless common oat, comprising 21 pseudomolecules with a total length of 10.76?Gb and contig N50 of 75.27?Mb. We also produced genome assemblies for diploid and tetraploid Avena ancestors, which enabled the identification of oat subgenomes and provided insights into oat chromosomal evolution. The origin of hexaploid oat is inferred from whole-genome sequencing, chloroplast genomes and transcriptome assemblies of different Avena species. These findings and the high-quality reference genomes presented here will facilitate the full use of crop genetic resources to accelerate oat improvement.
 
【打印本页】【关闭本页】
Copyright © 植物细胞与染色体工程国家重点实验室(中国科学院遗传与发育生物学研究所)
地址:北京市朝阳区北辰西路1号院2号 邮编:100101 电话: 010-64806537 传真: 010-64806537