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<p>In this study, we identified a novel mitovirus, designated as "Pleurotus pulmonarius duamitovirus 1" (PpDMV1), from the edible fungus <i>Pleurotus pulmonarius</i>. Genome sequencing revealed a 2,622-nucleotide (nt) genome containing a single 2,001-nt open reading frame (ORF) encoding an RNA-dependent RNA polymerase (RdRp). Full-length genome sequence comparisons using BLASTx demonstrated the closest sequence similarity (56.68% identity) to Erysiphe necator associated mitovirus 15 (EnMV15). Phylogenetic analysis positioned PpDMV1 within the genus <i>Duamitovirus</i> (family <i>Mitoviridae</i>). To our knowledge, this is the first report of a mitovirus infection in <i>P. pulmonarius</i>.</p>

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Molecular characterization of a novel mitovirus from the edible fungus Pleurotus pulmonarius

  • 期刊论文

  • 发表日期：

    2025年5月16日

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  • Zhe Wang,
  • Junbo Xiao,
  • Hanzhao Liu,
  • Ziru Zheng,
  • Yifei Zhang,
  • Yingying Liu,
  • Pengfei Li

摘要

In this study, we identified a novel mitovirus, designated as "Pleurotus pulmonarius duamitovirus 1" (PpDMV1), from the edible fungus Pleurotus pulmonarius. Genome sequencing revealed a 2,622-nucleotide (nt) genome containing a single 2,001-nt open reading frame (ORF) encoding an RNA-dependent RNA polymerase (RdRp). Full-length genome sequence comparisons using BLASTx demonstrated the closest sequence similarity (56.68% identity) to Erysiphe necator associated mitovirus 15 (EnMV15). Phylogenetic analysis positioned PpDMV1 within the genus Duamitovirus (family Mitoviridae). To our knowledge, this is the first report of a mitovirus infection in P. pulmonarius.