Complete genome sequence of a novel victorivirus isolated from the sesame charcoal rot fungus Macrophomina phaseolina

文献类型： 外文期刊

第一作者： Wang, Jing

作者： Wang, Jing;Liu, Xintao;Ni, Yunxia;Zhao, Hui;Zhao, Xinbei;Liu, Hongyan;Wang, Jing;Xiao, Yannong;Xiao, Xueqiong

作者机构：

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： 2020 年 165 卷 2 期

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收录情况： SCI

摘要： Macrophomina phaseolina is an important phytopathogenic fungus with a broad host range. Here, the complete genome sequence of a novel victorivirus, tentatively named Macrophomina phaseolina victorivirus 1 (MpV1), was identified from strain 2012-019 of M. phaseolina. The MpV1 genome is 5,128 nucleotides long with a predicted GC content of 62%. Sequence analysis indicated that two open reading frames (ORF 1 and 2) overlap at a tetranucleotide AUGA sequence. Proteins encoded by ORF1 and ORF2 showed significant sequence similarity to coat proteins and the RNA-dependent RNA polymerases, respectively, of members of the family Totiviridae. Analysis of the genomic structure of MpV1, homolog searches of the deduced amino acid sequences, and phylogenetic analysis indicated that MpV1 is a new member of the genus Victorivirus. As far as we know, this is the first report of the full-length nucleotide sequence of the genome of a novel victorivirus that infects M. phaseolina.

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