Molecular characterization of a novel victorivirus isolated from Stagonosporopsis citrulli

文献类型： 外文期刊

第一作者： Ma, Xiaofang

作者： Ma, Xiaofang;Jiang, Yingchun;Zhang, Yu;Song, Fang;Song, Xin;Wang, Zhijing;He, Ligang;Wu, Liming;Zhang, Xing;Zhai, Lifeng;Moffett, Peter;Ji, Shengmei

作者机构：

期刊名称：ARCHIVES OF VIROLOGY （ 影响因子：2.5； 五年影响因子：2.2 ）

ISSN： 0304-8608

年卷期： 2025 年 170 卷 1 期

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收录情况： SCI

摘要： Members of the fungal genus Stagonosporopsis are important plant pathogens that can cause severe disease on a wide range of economically important plants and crops. Here, a novel victorivirus, tentatively named "Stagonosporopsis citrulli victorivirus 1" (SciVV1), was isolated from S. citrulli isolate HS2-8. The SciVV1 genome is 5,163 nucleotides in length, with a predicted GC content of 63.85%, and contains two open reading frames (ORF1 and ORF2), which overlap at an AUGA sequence. ORF1 and ORF2 are predicted to encode a coat protein (CP) and an RNA-dependent RNA polymerase (RdRp). A phylogenetic tree based on RdRp amino acid (aa) sequences showed that SciVV1 clustered together with members of the genus Victorivirus in the family Pseudototiviridae. Our results indicate that SciVV1 is a novel victorivirus. This is the first report of the complete genome sequence of SciVV1 infecting S. citrulli.

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