A New Alphasatellite Molecule Associated with Ageratum yellow vein China virus in the Philippines
文献类型： 外文期刊
作者： She, Xiaoman 1 ; He, Zifu 1 ; Yin, Guohua 3 ; Du, Zhenguo 1 ; Tang, Yangfei 1 ; Lan, Guobin 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Plant Protect Res Inst, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Prov Key Lab High Technol Plant Protect, Guangzhou 501640, Guangdong, Peoples R China
3.Univ Arizona, Sch Plant Sci, Tucson, AZ 85721 USA
关键词： Ageratum yellow vein China virus;alphasatellite;Synedrella nodiflora
期刊名称：JOURNAL OF PHYTOPATHOLOGY （ 影响因子：1.789； 五年影响因子：1.574 ）
ISSN：
年卷期：
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收录情况： SCI
摘要： From Synedrella nodiflora plants with leaf curling, vein swelling and enation symptoms on Samal Island, the Philippines, a begomoviral DNA-A and its associated alphasatellite molecule were cloned and sequenced. The begomovirus was identified as an isolate of Ageratum yellow vein China virus (AYVCNV) with 91% nucleotide sequence identity to AYVCNV-[P157] (EU487045), while the alphasatellite molecule was most closely related to tobacco curly shoot alphasatellite-Y99 (TbCSA-Y99, AJ579347) with 74.5% nucleotide sequence identity. The satellite molecule has the typical features of alphasatellites, with a single gene in the virion sense, an A-rich region and a 33-bp predicted stem-loop structure. According to the proposed species demarcation threshold of alphasatellites (83% nucleotide sequence identity), the alphasatellite molecule represents a new species, herein named Ageratum yellow vein China alphasatellite' (KF785752).
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