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A novel mycovirus isolated from the plant-pathogenic fungus Alternaria dianthicola

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Abstract

Here, we describe the molecular characterization of a novel mycovirus isolated from a phytopathogenic fungus, Alternaria dianthicola, which we have named “Alternaria dianthicola dsRNA virus 1” (AdRV1). AdRV1 has a genome of 3,014 bp that contains two non-overlapping open reading frames (ORF1 and 2) coding for a hypothetical protein and an RNA-dependent RNA polymerase (RdRp), respectively. Based on the RdRp, AdRV1 is phylogenetically related to some unclassified dsRNA mycoviruses, including Alternaria longipes dsRNA virus 1, and shows a distant relationship to members of the family Partitiviridae. To the best of our knowledge, this is the first report of mycovirus infecting A. dianthicola.

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Acknowledgements

This research was supported by the China Postdoctoral Science Foundation (Grant no. 2018M641562), the Natural Science Foundation of Hunan Province, China (Grant no. 2018JJ3229), and the Hunan Innovation and entrepreneurship training Foundation for Undergraduates (grant no. S201910537057).

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  1. Zhao Hu and Jun Guo contributed equally to this work.

Authors and Affiliations

  1. Hunan Provincial Key Laboratory for Biology and Control of Plant Diseases and Insect Pests, Hunan Agricultural University, Nongda Road 1, Furong District, Changsha, 410128, Hunan, People’s Republic of China

    Zhao Hu, Jun Guo, Bi Da Gao & Jie Zhong

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  1. Zhao Hu
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  2. Jun Guo
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  3. Bi Da Gao
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  4. Jie Zhong
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Correspondence to Bi Da Gao or Jie Zhong.

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Hu, Z., Guo, J., Da Gao, B. et al. A novel mycovirus isolated from the plant-pathogenic fungus Alternaria dianthicola. Arch Virol 165, 2105–2109 (2020). https://doi.org/10.1007/s00705-020-04700-9

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  • DOI: https://doi.org/10.1007/s00705-020-04700-9

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