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Molecular characterization of a novel penoulivirus from the phytopathogenic fungus Colletotrichum camelliae

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Abstract

Colletotrichum camelliae is a widespread filamentous phytopathogenic fungus. In this study, a novel mycovirus designated as "Colletotrichum camelliae botourmiavirus 1" (CcBV1) was isolated from strain ZJQT11 of C. camelliae, and its complete genome sequence was determined. CcBV1 has a genome of 2,506 nucleotides and contains a large open reading frame (ORF) that encodes an RNA-dependent RNA polymerase (RdRp) with 672 amino acids and a predicted molecular mass of 75.23 kDa. A BLASTp search showed that RdRp encoded by CcBV1 is closely related to that of Pyricularia oryzae ourmia-like virus 1 with 73.22% identity. Phylogenetic analysis indicated that CcBV1 clustered in the penoulivirus clade within the family Botourmiaviridae. To the best of our knowledge, this is the first report of a penoulivirus in C. camelliae.

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Acknowledgments

This research was supported by the Technical Innovation Foundation of Hubei Province (no. 2017ABA163) and the foundation of Hubei Academy of Forestry (no. 2021YJJ01).

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Authors and Affiliations

  1. Hubei Academy of Forestry, Wuhan, 430074, Hubei Province, People’s Republic of China

    Xiaowen Xu, Faxin Huang & Yixun Wang

  2. State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, 430070, Hubei Province, People’s Republic of China

    Du Hai & Jincang Li

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  1. Xiaowen Xu
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  2. Du Hai
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  4. Faxin Huang
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Correspondence to Xiaowen Xu or Yixun Wang.

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Xu, X., Hai, D., Li, J. et al. Molecular characterization of a novel penoulivirus from the phytopathogenic fungus Colletotrichum camelliae. Arch Virol 167, 641–644 (2022). https://doi.org/10.1007/s00705-021-05334-1

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  • DOI: https://doi.org/10.1007/s00705-021-05334-1

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