Molecular characterization of a novel monopartite begomovirus isolated from Pouzolzia zeylanica in China
文献类型： 外文期刊
第一作者： Du, Z. G.
作者： Du, Z. G.;He, Z. F.;She, X. M.;Tang, Y. F.;He, Z. F.;Cai, J. H.
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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： The complete genome sequence of a monopartite begomovirus isolate TY01 was obtained from diseased Pouzolzia zeylanica plants exhibiting golden mosaic symptoms in Baise, Guangxi Province, China. It consisted of 2723 nucleotides (nt) and encoded two ORFs (CP and AV2) in the virion-sense DNA and five ORFs (AC1-AC5) in the complementary-sense DNA. Compared with the DNA-A sequences of other begomoviruses, it has the highest (78.5 %) nucleotide sequence identity with ageratum yellow vein virus (AYVV) isolate AFSP6D from Thailand, which is less than the 89 % identity in the complete genome that has been defined as the threshold value for demarcation of species in the genus Begomovirus, family Geminiviridae. Phylogenetic analysis showed that TY01 was grouped in a separate clade from the other 28 begomovirus isolates. These results indicate that isolate TY01 is a member of a novel Begomovirus species, for which the name "Pouzolzia golden mosaic virus" (PGMV) is proposed.
分类号： R37
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