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Special Issue:
植物病理合辑Plant Protection—Plant Pathology
植物病毒合辑Plant Virus
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| Prevalence and genetic diversity of grapevine fabavirus isolates from different grapevine cultivars and regions in China |
FAN Xu-dong, ZHANG meng-yan, ZHANG Zun-ping, REN Fang, HU Guo-jun, DONG Ya-feng |
National Center for Eliminating Viruses from Deciduous Fruit Tree, Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng 125100, P.R.China |
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Abstract A total of 288 grapevine samples of 61 different grapevine cultivars, collected from 22 provinces and regions, were analyzed by reverse transcription-PCR (RT-PCR) for the presence of grapevine fabavirus (GFabV). PCR detection results showed the incidences of GFabV were 12.8% (30/235) and 48.1% (25/52) in the asymptomatic and symptomatic vines, respectively. The genetic diversity of GFabV isolates was analyzed based on partial nucleotide and encoded amino acid sequences of the RNA1 and RNA2 polyprotein genes. Phylogenetic analyses of the RNA1 and RNA2 gene sequences divided the GFabV isolates into five well-defined groups. Groups 1, 2, and 4 comprised only Chinese isolates. This article represents the first report for the prevalence and genetic diversity of GFabV in grapevines grown in China.
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Received: 14 January 2019
Accepted:
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| Fund: This study was supported by the National Key R&D Program of China (2018YFD0201301), the earmarked fund for the China Agriculture Research System (CARS-29-bc-1) and the Fundamental Research Funds for Central Non-profit Scientific Institutions, China. |
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Corresponding Authors:
Correspondence DONG Ya-feng, Tel: +86-429-3598279, E-mail: yfdong@163.com
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| About author: FAN Xu-dong, E-mail: fanxudong@caas.cn; |
Cite this article:
FAN Xu-dong, ZHANG meng-yan, ZHANG Zun-ping, REN Fang, HU Guo-jun, DONG Ya-feng.
2020.
Prevalence and genetic diversity of grapevine fabavirus isolates from different grapevine cultivars and regions in China. Journal of Integrative Agriculture, 19(3): 768-774.
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