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A novel mitovirus isolated from the phytopathogenic fungus Botryosphaeria dothidea

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Abstract

In this study, we isolated and determined the complete genome sequence of a novel mitovirus, “Botryosphaeria dothidea mitovirus 2” (BdMV2), from the phytopathogenic fungus Botryosphaeria dothidea isolate DT-5. BdMV2 has a genome 2,482 nt in length with an A+U content of 67%. The genome of BdMV2 contains a single large open reading frame (ORF) encoding an RNA-dependent RNA polymerase (RdRp) of 717 amino acids (aa) with a molecular mass of 81.86 kDa. A BLASTp comparison of the RdRp sequence showed the highest identity (66.67%) with that of Alternaria arborescens mitovirus 1 (AbMV1). Sequence comparisons and phylogenetic analysis revealed that BdMV2 is a new member of the genus Mitovirus of the family Mitoviridae.

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Funding

This research was supported by the Scientific Research Fund of Hunan Provincial Education Department (19K040) and the Excellent Doctoral Dissertation Cultivating Fund of Hunan Agricultural University (YB2019005).

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Author notes

  1. Hui Wang and Hong Liu 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

    Hui Wang, Hong Liu, YunSheng Wang & Qian Zhou

  2. Agricultural Science Institute of XiangXi Tujia and Miao Autonomous Prefecture, Xiangxi, 416000, People’s Republic of China

    Xun Lu

Authors
  1. Hui Wang
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  2. Hong Liu
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  3. Xun Lu
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  4. YunSheng Wang
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  5. Qian Zhou
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Corresponding authors

Correspondence to YunSheng Wang or Qian Zhou.

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Wang, H., Liu, H., Lu, X. et al. A novel mitovirus isolated from the phytopathogenic fungus Botryosphaeria dothidea. Arch Virol 166, 1507–1511 (2021). https://doi.org/10.1007/s00705-021-05023-z

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  • DOI: https://doi.org/10.1007/s00705-021-05023-z

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