Molecular variability of sugarcane streak mosaic virus in China based on an analysis of the P1 and CP protein coding regions
文献类型: 外文期刊
作者: He, Zhen 2 ; Li, Wenfeng 3 ; Yasaka, Ryosuke 2 ; Huang, Yingkun 3 ; Zhang, Zhixiang 1 ; Ohshima, Kazusato 2 ; Li, Shif 1 ;
作者机构: 1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China
2.Saga Univ, Dept Appl Biol Sci, Lab Plant Virol, Fac Agr, Honjo, Saga 8408502, Japan
3.Yunnan Acad Agr Sci, Sugarcane Res Inst, Yunnan Key Lab Genet Improvement Sugarcane, Kaiyuan 661600, Yunnan, Peoples R China
关键词: China;Molecular variability;Poacevirus;Sugarcane streak mosaic virus
期刊名称:ARCHIVES OF VIROLOGY ( 影响因子:2.574; 五年影响因子:2.466 )
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收录情况: SCI
摘要: Sequences of the protein 1 (P1) and coat protein (CP) coding regions of 22 sugarcane streak mosaic virus (SCSMV) isolates were determined. Phylogenetic analysis showed that SCSMV had at least three major lineages, and the lineages seemed to reflect geographical origin. The sudden expansions of the Chinese and Indian subpopulations were supported by calculations showing deviations from the neutral equilibrium model for the individual lineages with an overall lack of nucleotide diversity. Our study shows that Chinese and Indian SCSMV isolates are part of a distinct population, and the subpopulations probably reflect founder effects.
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