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Complete genome sequence of a novel victorivirus infecting Aspergillus niger

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Abstract

Aspergillus niger is an important filamentous phytopathogenic fungus with a broad host range. A novel double-stranded (ds) RNA mycovirus, named Aspergillus niger victorivirus 1 (AnV1), isolated from A. niger strain baiyun3.23-4, was sequenced and analyzed. The AnV1 genome is 5317 nucleotides long with a GC content of 56%. AnV1 contains two open reading frames (ORF1 and 2), overlapping at a tetranucleotide sequence (AUGA). ORF1 encodes a putative capsid protein (CP) of 778 amino acids (aa), while ORF2 potentially encodes a putative RNA-dependent RNA polymerase (RdRp) of 826 aa. Phylogenetic analysis indicated that AnV1 is a new member of the genus Victorivirus in the family Totiviridae. As far as we know, this is the first report of the complete genome sequence of a victorivirus infecting A. niger.

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Funding

This study was funded by the National Natural Science Foundation of China (32000017 and 31660012), Guizhou Provincial Natural Science Foundation [ZK(2021)zhongdian030], Guizhou Provincial Natural Science Foundation [(2019)1277], Department of Education of Guizhou Province (CN) [KY(2021)313], and the Regional Common Diseases and Adult Stem Cell Transformation Research and Innovation Platform of Guizhou Provincial Department of Science and Technology [(2019)4008].

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Author notes

  1. Yinhui Jiang and Xiang Liu are contributed equally to this work.

Authors and Affiliations

  1. Key Laboratory of Endemic and Ethnic Diseases (Guizhou Medical University), Ministry of Education, Guiyang, 550004, China

    Yinhui Jiang, Xiang Liu, Bi Yang, Xun Tian, Qinrong Wang, Qifang Zhang, Wenfeng Yu & Xiaolan Qi

  2. Key Laboratory of Medical Molecular Biology (Guizhou Medical University), Guizhou Province, Guiyang, 550004, China

    Yinhui Jiang, Xiang Liu, Bi Yang, Xun Tian, Qinrong Wang, Qifang Zhang, Wenfeng Yu & Xiaolan Qi

  3. Department of Biology, School of Basic Medical Sciences (Guizhou Medical University), Guiyang, 550004, Guizhou, China

    Jiayu Liu

  4. School of Environmental Sciences (University of Guelph), Guelph, ON, N1G 2W1, Canada

    Tom Hsiang

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  1. Yinhui Jiang
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  2. Xiang Liu
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  3. Bi Yang
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Correspondence to Yinhui Jiang.

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Handling Editor: Ioly Kotta-Loizou.

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Jiang, Y., Liu, X., Yang, B. et al. Complete genome sequence of a novel victorivirus infecting Aspergillus niger. Arch Virol 167, 1475–1479 (2022). https://doi.org/10.1007/s00705-022-05441-7

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  • DOI: https://doi.org/10.1007/s00705-022-05441-7

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