Tobacco curly shoot virus isolated in Yunnan is a distinct species of Begomovirus
文献类型: 外文期刊
第一作者: Xie, Y
作者: Xie, Y;Zhou, XP;Zhang, ZK;Qi, YJ
作者机构: Zhejiang Univ, Inst Biotechnol, Hangzhou 310029, Peoples R China;Zhejiang Univ, Inst Biotechnol, Hangzhou 310029, Peoples R China; Yunnan Acad Agr Sci, Yunnan Biotechnol Res Inst, Kunming 650223, Peoples R China
关键词: tobacco curly shoot virus;Begomovirus;distinct species;recombination
期刊名称:CHINESE SCIENCE BULLETIN ( 2016影响因子:1.649; 五年影响因子:1.738 )
ISSN: 1001-6538
年卷期: 2002 年 47 卷 3 期
收录情况: SCI
摘要: Virus isolate Y1 was obtained from tobacco showing curly shoot symptoms in Baoshan, Yunnan Province. Whitefly transmission test and virion morphology observation showed that it is a begomovirus. In reactions with 14 monoclonal antibodies raised against begomoviruses, Y1 was readily differentiated from begomoviruses reported in China, Pakistan and India. The complete nucleotide sequence of DNA-A was determined, it contains 2746 nucleotides, with two ORFs in virion-sense DNA and four ORFs in complementary-sense DNA. Comparisons with total DNA-A, intergenic region and deduced amino acid sequences of individual ORFs showed that Y1 is a distinct Begomovirus species, for which the name Tobacco curly shoot virus (TCSV) is proposed. The total DNA-A of TCSV is most closely related to that of Tomato leaf curl virus from India (85% sequence identity). In contrast, the deduced coat protein of TCSV is most like that of Cotton leaf curl virus 72b isolate from Pakistan (98 % amino acid sequence identity).
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