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Passiflora edulis is a new host of Cotton leaf curl Multan virus-betasatellite complex in China

文献类型： 外文期刊

作者： Tang, Yafei 1 ; He, Zifu 2 ; Zhou, Guohui 1 ;

作者机构： 1.South China Agr Univ, Coll Agr, Guangdong Prov Key Lab Microbial Signals & Dis Co, Guangzhou 510642, Guangdong, Peoples R China

2.Plant Protect Res Inst, Guangdong Acad Agr Sci, Guangzhou 510640, Guangdong, Peoples R China

3.Guangdong Acad Agr Sci, Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou 510640, Guangdong, Peoples R China

关键词： Begomovirus; Betasatellite; Cotton leaf curl Multan betasatellite; Cotton leaf curl Multan virus; new host; Passiflora edulis

期刊名称：CANADIAN JOURNAL OF PLANT PATHOLOGY （ 影响因子：2.442； 五年影响因子：1.993 ）

ISSN： 0706-0661

年卷期：

页码：

收录情况： SCI

摘要： Passiflora edulis plants with typical symptoms of begomovirus infection, including leaf curling and dark green, swollen veins, were discovered in Yunnan province, China. The full-length viral components and satellite molecules of the infected P. edulis plants were obtained by enrichment of circular DNA by rolling circle amplification, restriction enzyme digestion, cloning and DNA sequencing. The viral component (2738 bp, MK370435) showed more than 99% nucleotide sequence identity with all recorded isolates of cotton leaf curl Multan virus (CLCuMuV) from China. The satellite molecule (1347 bp, MK370436) showed more than 98% nucleotide identity with all isolates of cotton leaf curl Multan betasatellite (CLCuMuB) from China. Phylogenetic analysis indicated that CLCuMuV and CLCuMuB from P. edulis clustered with all Chinese isolates of CLCuMuV and CLCuMuB and formed unique clades, respectively. According to the current taxonomic criteria for the classification of Begomovirus of Geminiviridae and Betasatellite of Tolecusatellitidae, the virus found infecting P. edulis was identified as an isolate of CLCuMuV, and its betasatellite belonged to CLCuMuB. To our knowledge, P. edulis is a new host plant for CLCuMuV-CLCuMuB.

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