Characterization of a novel reassortment Tibet orbivirus isolated from Culicoides spp. in Yunnan, PR China,Journal of General Virology

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Characterization of a novel reassortment Tibet orbivirus isolated from Culicoides spp. in Yunnan, PR China
Journal of General Virology ( IF 3.8 ) Pub Date : 2021-09-08 , DOI: 10.1099/jgv.0.001645
Nanjie Ren _{1,

2} , Xiaoyu Wang _{1,

2} , Mengying Liang _{1,

2} , Shen Tian ₃ , Christabel Ochieng _{1,

2} , Lu Zhao _{1,

2} , Doudou Huang _{1,

2} , Qianfeng Xia ₃ , Zhiming Yuan _{1,

2} , Han Xia _{1,

2}

Affiliation

Orbiviruses are arboviruses with 10 double-stranded linear RNA segments, and some have been identified as pathogens of dramatic epizootics in both wild and domestic ruminants. Tibet orbivirus (TIBOV) is a new orbivirus isolated from hematophagous insects in recent decades, and, currently, most of the strains have been isolated from insects in PR China, except for two from Japan. In this study, we isolated a novel reassortment TIBOV strain, YN15-283-01, from Culicoides spp. To identify and understand more characteristics of YN15-283-01, electrophoresis profiles of the viral genome, electron microscopic observations, plaque assays, growth curves in various cell lines, and bioinformatic analysis were conducted. The results indicated that YN15-283-01 replicated efficiently in mosquito cells, rodent cells and several primate cells. Furthermore, the maximum likelihood phylogenetic trees and simplot analysis of the 10 segments indicated that YN15-283-01 is a natural reassortment isolate that had emerged mainly from XZ0906 and SX-2017a.

更新日期：2021-09-09

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