Complete genome sequence of a novel dsRNA virus from the phytopathogenic fungus Fusarium oxysporum.

Autor: Wang J; Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan Province, People's Republic of China., Ni Y; Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan Province, People's Republic of China., Zhao H; Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan Province, People's Republic of China., Liu X; Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan Province, People's Republic of China., Qiu R; Institute of Tobacco, Henan Academy of Agricultural Sciences, Key Laboratory for Green Preservation & Control of Tobacco Diseases and Pest in Huanghuai Growing Area, Zhengzhou, 450002, Henan Province, People's Republic of China., Li S; Institute of Tobacco, Henan Academy of Agricultural Sciences, Key Laboratory for Green Preservation & Control of Tobacco Diseases and Pest in Huanghuai Growing Area, Zhengzhou, 450002, Henan Province, People's Republic of China. 13603749396@126.com., Liu H; Institute of Plant Protection, Henan Academy of Agricultural Sciences, Zhengzhou, 450002, Henan Province, People's Republic of China. liuhy1219@163.com.
Jazyk: angličtina
Zdroj: Archives of virology [Arch Virol] 2024 Mar 16; Vol. 169 (4), pp. 75. Date of Electronic Publication: 2024 Mar 16.
DOI: 10.1007/s00705-024-05976-x
Abstrakt: 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.
(© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature.)
Databáze: MEDLINE
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