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Genome organization and phylogenetic tree analysis of Garlic virus E, a new member of genus Allexivirus

文献类型: 外文期刊

作者: Chen, J 1 ; Chen, JP 2 ;

作者机构: 1.Zhejiang Acad Agr Sci, Dept Virol, Hangzhou 310021, Peoples R China

2.Zhejiang Univ, Coll Life Sci, Hangzhou 310029, Peoples R China

关键词: genus Allexivirus;garlic virus E;nucleotide sequence;classification

期刊名称:CHINESE SCIENCE BULLETIN ( 影响因子:1.649; 五年影响因子:1.738 )

ISSN: 1001-6538

年卷期: 2002 年 47 卷 1 期

页码:

收录情况: SCI

摘要: The complete sequence of an Allexivirus isolated from garlic plants in Yuhang City, Zhejiang Province, China had been determined. The single-strand, positive RNA genome was 8451 nucleotides in length excluding poly(A) tall. The genome organization of this virus was similar to that of the other Allexiviruses but only with 62.8%-64.8% nucleotide acid identities. The amino acid sequences of proteins encoded by ORF1-6 shared 67.6%-78.5%, 55.4%-66.2%, 56.7%-66.4%,40.3%-55.6%,66.3%-79.7% and 52.2%-68.8% identities with those of the others respectively. The homology range between it and the other Allexiviruses was similar to that between the other distinct species in this genus. A more comprehensive comparison using all available CP amino acid sequences showed that it shared only 63.9%-79.8% amino acids identical with the others. Therefore, it had been considered as a new member of the genus, named as garlic virus E.(GarV-E). Phylogenetic analysis confirmed GarV-E as a distinct member and the correct names and classification of some members of genus Allexivirus were also discussed.

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