Complete genome sequence of a novel dsRNA virus from the phytopathogenic fungus Fusarium oxysporum
文献类型： 外文期刊
作者： Wang, Jing 1 ; Ni, Yunxia 1 ; Zhao, Hui 1 ; Liu, Xintao 1 ; Qiu, Rui 2 ; Li, Shujun 2 ; Liu, Hongyan 1 ;
作者机构： 1.Henan Acad Agr Sci, Inst Plant Protect, Zhengzhou 450002, Henan, Peoples R China
2.Henan Acad Agr Sci, Inst Tobacco, Key Lab Green Preservat & Control Tobacco Dis & Pe, Zhengzhou 450002, Henan, Peoples R China
期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.7； 五年影响因子：2.4 ）
ISSN： 0304-8608
年卷期： 2024 年 169 卷 4 期
页码：
收录情况： SCI
摘要： Fusarium oxysporum is a widespread plant pathogen that causes fusarium wilt and fusarium root rot in many economically significant crops. Here, a novel dsRNA virus tentatively named "Fusarium oxysporum virus 1" (FoV1) was identified in F. oxysporum strain 3S-18. The genome of FoV1 is 2,944 nucleotides (nt) in length and contains two non-overlapping open reading frames (ORF1 and 2). The larger of these, ORF2, encodes an RNA-dependent RNA polymerase (RdRp) of 590 amino acids with a molecular mass of 67.52 kDa. ORF1 encodes a putative nucleocapsid protein consisting of 134 amino acids with a molecular mass of 34.25 kDa. The RdRp domain of FoV1 shares 60.00% to 84.24% sequence identity with non-segmented dsRNA viruses. Phylogenetic analysis further suggested that FoV1 is a new member of the proposed genus "Unirnavirus" accommodating unclassified monopartite dsRNA viruses.
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