Complete genome sequence of a divergent strain of Japanese yam mosaic virus from China

被引:9
作者
Lan, Pingxiu [1 ,2 ]
Li, Fan [2 ]
Wang, Mingqiang [1 ]
Li, Ruhui [1 ]
机构
[1] ARS, USDA, Natl Germplasm Resources Lab, Beltsville, MD 20705 USA
[2] Yunnan Agr Univ, Kunming 650201, Yunnan, Peoples R China
关键词
COMPLETE NUCLEOTIDE-SEQUENCE; RNA; PCR;
D O I
10.1007/s00705-014-2231-z
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
A novel strain of Japanese yam mosaic virus (JYMV-CN) was identified in a yam plant with foliar mottle symptoms in China. The complete genomic sequence of JYMV-CN was determined. Its genomic sequence of 9701 nucleotides encodes a polyprotein of 3247 amino acids. Its organization is virtually identical to that of two JYMV isolates from Japan. With the latter, it shares nucleotide sequence identities of only 74.7-74.8 %, indicating it might be a member of a new species. However, sequence analysis of the polyprotein and individual proteins suggested that the Chinese isolate is a divergent JYMV strain in the process of speciation.
引用
收藏
页码:573 / 576
页数:4
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