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Combining Analysis of DNA in a Crude Virion Extraction with the Analysis of RNA from Infected Leaves to Discover New Virus Genomes
Published on: July 27, 2018
Complete genome sequence of a novel mycovirus from Pleurotus citrinopileatus
Xuefei Li1,2,3, Shiyu Li2,3, Weiqi Yin2
1Joint International Research Laboratory of Modern Agricultural Technology, Ministry of Education, Jilin Agricultural University, 130118, Changchun, China.
Abstract:
The complete genome sequence of a novel single-stranded [+ ssRNA] positive-sense (+) RNA mycovirus, designated as "Pleurotus citrinopileatus ourmiavirus 1" (PcOV1), isolated from Pleurotus citrinopileatus strain CCMJ2141, was determined. The complete genome of PcOV1 is composed of 2,535 nucleotides. It contains a single open reading frame (ORF), which encodes a protein of 657 amino acids (aa) containing conserved domains of an RNA-dependent RNA polymerase (RdRp). Phylogenetic analysis based on RdRp sequences revealed that PcOV1 is a new member of the genus Ourmiavirus in the family Botourmiaviridae. This is the first virus from P. citrinopileatus to be characterized.
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