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Molecular Diversities of Sugarcane mosaic virus and Sorghum mosaic virus Isolates from Yunnan Province, China

文献类型： 外文期刊

作者： Wang, Jian-Guang 1 ; Zheng, Hong-Ying 1 ; Chen, Hai-Ru 2 ; Adams, Michael J. 3 ; Chen, Jian-Ping 1 ;

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

2.Yunnan Agr Univ, Phytopathol Lab Yunnan Prov, Kunming 650201, Peoples R China

3.Rothamsted Res, Dept Plant Pathol & Microbiol, Harpenden AL5 2JQ, Herts, England

关键词： GenBank sequence data;molecular diversity;phylogenetic cluster;coat protein coding region

期刊名称：JOURNAL OF PHYTOPATHOLOGY （ 影响因子：1.789； 五年影响因子：1.574 ）

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收录情况： SCI

摘要： Degenerate Potyviridae primers were used to amplify and sequence the 3'-terminal regions of viruses from traditional and modern cultivars of sugarcane with mosaic disease growing in different areas of Yunnan province, China. Seven samples contained Sugarcane mosaic virus (SCMV), 11 contained Sorghum mosaic virus (SrMV) and two contained both viruses. SCMV was only isolated from traditional cultivars. In a phylogenetic analysis of the partial NIb and complete coat protein coding regions, most SCMV isolates formed a distinctive phylogenetic cluster (named SO) that otherwise contained only three Vietnamese isolates. SCMV variation seems mostly related to host genotype. In the same analysis, the SrMV isolates formed three major groups, one of which is reported for the first time, but the significance of the grouping is unclear.

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