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The complete genomic sequence of a novel botybirnavirus isolated from a phytopathogenic Bipolaris maydis

文献类型: 外文期刊

作者: Wang, Haoran 1 ; Li, Cong 1 ; Cai, Lina 1 ; Fang, Shouguo 1 ; Zheng, Limin 2 ; Yan, Fei 4 ; Zhang, Songbai 1 ; Liu, Yong 2 ;

作者机构: 1.Yangtze Univ, Hubei Collaborat Innovat Ctr Grain Ind, Engn Res Ctr Ecol & Agr Use Wetland, China Minist Educ, Jingzhou 434025, Hubei, Peoples R China

2.Hunan Plant Protect Inst, Changsha 410125, Hunan, Peoples R China

3.Hunan Univ, Grad Sch, Longping Branch, Changsha 410125, Hunan, Peoples R China

4.Zhejiang Acad Agr Sci, State Key Lab Breeding Base Sustainable Control P, Key Lab Biotechnol Plant Protect, MOA China & Zhejiang Prov, Hangzhou 310021, Zhejiang, Peoples R China

关键词: Bipolaris maydis; Botybirnavirus; Bipolaris maydis botybirnavirus 1

期刊名称:VIRUS GENES ( 影响因子:2.332; 五年影响因子:2.0 )

ISSN: 0920-8569

年卷期: 2018 年 54 卷 5 期

页码:

收录情况: SCI

摘要: Bipolaris maydis is the causal agent of corn southern leaf blight. Here, we report a novel double-stranded RNA (dsRNA) mycovirus designated Bipolaris maydis botybirnavirus 1 (BmBRV1) from B. maydis strain JZ11 in Jingzhou, Hubei province of China. BmBRV1 has a genome consisting of two dsRNAs (dsRNA1 and dsRNA2) with a size of 6435 and 5987 bp, respectively, each of which contains a single open reading frame (ORF). The two polyproteins encoded by dsRNA1 and dsRNA2 share the highest amino acid identities of 81.8 and 75.3%, respectively, with the RdRp and coat protein of Sclerotinia sclerotiorum botybirnavirus 1 (SsBRV1), a tentative species of the genus Botybirnavirus. Phylogenetic analysis based on the amino acid sequences of RdRp indicated that BmBRV1 belongs to a distinct species of the newly proposed family Botybirnaviridae.

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