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Complete genome sequence of a novel mitovirus from the phytopathogenic fungus Fusarium oxysporum

文献类型: 外文期刊

作者: Wang, Jing 1 ; Li, Chengjun 1 ; Qiu, Rui 1 ; Li, Xiaojie 1 ; Zhao, Jun 1 ; Bai, Jingke 1 ; Chen, Yuguo 1 ; Li, Shujun 1 ;

作者机构: 1.Henan Acad Agr Sci, Inst Tobacco, Key Lab Green Preservat & Control Tobacco Dis & P, 116 Garden Rd, Zhengzhou 450002, Henan, Peoples R China

期刊名称:ARCHIVES OF VIROLOGY ( 影响因子:2.574; 五年影响因子:2.466 )

ISSN: 0304-8608

年卷期: 2021 年 166 卷 11 期

页码:

收录情况: SCI

摘要: Fusarium oxysporum is a cosmopolitan plant pathogen that causes fusarium wilt and fusarium root rot in many economically important crops. There is still limited information about mycoviruses that infect F. oxysporum. Here, a novel mitovirus tentatively named "Fusarium oxysporum mitovirus 1" (FoMV1) was identified in F. oxysporum strain B2-10. The genome of FoMV1 is 2,453 nt in length with a predicted AU content of 71.6% and contains one large open reading frame (ORF) using the fungal mitochondrial genetic code. The ORF putatively encodes an RNA-dependent RNA polymerase (RdRp) of 723 aa with a molecular mass of 84.98 kDa. The RdRp domain of FoMV1 shares 29.01% to 68.43% sequence identity with the members of the family Mitoviridae. Phylogenetic analysis further suggested that FoMV1 is a new member of a distinct species in the genus Mitovirus.

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