Analysis of genetic variation and diversity of Rice stripe virus populations through high-throughput sequencing
文献类型: 外文期刊
第一作者: Huang, Lingzhe
作者: Huang, Lingzhe;Wu, Jianxiang;Xu, Yi;Yang, Xiuling;Zhou, Xueping;Li, Zefeng;Fan, Longjiang;Li, Zefeng;Fan, Longjiang;Fang, Rongxiang
作者机构:
关键词: Rice strip virus;population;diversity;deep sequencing
期刊名称:FRONTIERS IN PLANT SCIENCE ( 影响因子:5.753; 五年影响因子:6.612 )
ISSN: 1664-462X
年卷期: 2015 年 6 卷
页码:
收录情况: SCI
摘要: Plant RNA viruses often generate diverse populations in their host plants through error-prone replication and recombination. Recent studies on the genetic diversity of plant RNA viruses in various host plants have provided valuable information about RNA virus evolution and emergence of new diseases caused by RNA viruses. We analyzed and compared the genetic diversity of Rice stripe virus (RSV) populations in Oryza sativa (a natural host of RSV) and compared it with that of the RSV populations generated in an infection of Nicotiana benthamiana, an experimental host of RSV, using the high-throughput sequencing technology. From infected O. sativa and N. benthamiana plants, a total of 341 and 1675 site substitutions were identified in the RSV genome, respectively, and the average substitution ratio in these sites was 1.47 and 7.05 %, respectively, indicating that the RSV populations from infected N. benthamiana plant are more diverse than those from infected O. sativa plant. Our result gives a direct evidence that virus might allow higher genetic diversity for host adaptation.
分类号: Plant Sciences
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