A novel mitovirus isolated from the phytopathogenic fungus Botryosphaeria dothidea

被引：9
|
作者：
Wang, Hui [1 ]
Liu, Hong [1 ]
Lu, Xun [2 ]
Wang, YunSheng [1 ]
Zhou, Qian [1 ]
机构：
[1] Hunan Agr Univ, Hunan Prov Key Lab Biol & Control Plant Dis & Ins, Nongda Rd 1, Changsha 410128, Hunan, Peoples R China
[2] Agr Sci Inst XiangXi Tujia & Miao Autonomous Pref, Xiangxi 416000, Peoples R China
来源：
ARCHIVES OF VIROLOGY | 2021年 / 166卷 / 05期
关键词：
D O I：
10.1007/s00705-021-05023-z
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
In this study, we isolated and determined the complete genome sequence of a novel mitovirus, "Botryosphaeria dothidea mitovirus 2" (BdMV2), from the phytopathogenic fungus Botryosphaeria dothidea isolate DT-5. BdMV2 has a genome 2,482 nt in length with an A+U content of 67%. The genome of BdMV2 contains a single large open reading frame (ORF) encoding an RNA-dependent RNA polymerase (RdRp) of 717 amino acids (aa) with a molecular mass of 81.86 kDa. A BLASTp comparison of the RdRp sequence showed the highest identity (66.67%) with that of Alternaria arborescens mitovirus 1 (AbMV1). Sequence comparisons and phylogenetic analysis revealed that BdMV2 is a new member of the genus Mitovirus of the family Mitoviridae.
引用
收藏
页码：1507 / 1511
页数：5
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