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<p>Here, we report a novel fungal virus, tentatively named “Rhizoctonia solani endornavirus 15” (RsEV15), isolated from <i>Rhizoctonia solani</i> AG-1 IA strain MY-JK-1. The RsEV15 genome consists of 18,934 nucleotides with a GC content of 44.5% and contains two open reading frames (ORFs). ORF1 encodes a large polypeptide of 5070 amino acids with conserved RNA-dependent RNA polymerase (RdRp), helicase (Hel), and glycosyltransferase domains. ORF2 encodes a protein of unknown function composed of 1063 amino acids. BLASTp results showed a relationship between RsEV15 and RsEV8, although their genomes share only 49.56% nucleotide sequence identity. Phylogenetic analysis based on RdRp sequences indicated that RsEV15 is a new member of the genus <i>Alphaendornavirus</i> (family <i>Endornaviridae</i>).</p>

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Complete genome sequence of a novel endornavirus from Rhizoctonia solani AG-1 IA isolate MY-JK-1

  • 期刊论文

  • 发表日期：

    2025年10月14日

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  • Shanshan Xu,
  • Zhenmeng Zhou,
  • Chengmeng Shen,
  • Li Luo,
  • Genhua Yang

摘要

Here, we report a novel fungal virus, tentatively named “Rhizoctonia solani endornavirus 15” (RsEV15), isolated from Rhizoctonia solani AG-1 IA strain MY-JK-1. The RsEV15 genome consists of 18,934 nucleotides with a GC content of 44.5% and contains two open reading frames (ORFs). ORF1 encodes a large polypeptide of 5070 amino acids with conserved RNA-dependent RNA polymerase (RdRp), helicase (Hel), and glycosyltransferase domains. ORF2 encodes a protein of unknown function composed of 1063 amino acids. BLASTp results showed a relationship between RsEV15 and RsEV8, although their genomes share only 49.56% nucleotide sequence identity. Phylogenetic analysis based on RdRp sequences indicated that RsEV15 is a new member of the genus Alphaendornavirus (family Endornaviridae).