Abstract
A novel double-stranded RNA (dsRNA) mycovirus, designated Bipolaris maydis partitivirus 1 (BmPV1), was isolated from the plant pathogenic fungus Bipolaris maydis. The BmPV1 genome has two dsRNA segments. The larger segment (1,930 bp) has a single open reading frame (ORF) with a conserved RNA-dependent RNA polymerase domain. The smaller segment (1,790 bp) contains a single ORF encoding a putative coat protein. Homology searches and phylogenetic analysis indicated that BmPV1 is representative of a new species within the genus Alphapartitivirus.
MeSH terms
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Ascomycota / pathogenicity
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Ascomycota / virology*
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Fungal Viruses / classification
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Fungal Viruses / genetics*
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Fungal Viruses / isolation & purification*
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Fungal Viruses / physiology
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Genome, Viral*
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Open Reading Frames
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Phylogeny
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Plant Diseases / microbiology
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Plant Diseases / virology
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Plant Leaves / microbiology
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RNA Viruses / classification
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RNA Viruses / genetics*
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RNA Viruses / isolation & purification*
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RNA Viruses / physiology
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RNA, Viral / genetics*
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RNA-Dependent RNA Polymerase / genetics
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Sequence Analysis, DNA
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Zea mays / microbiology
Substances
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RNA, Viral
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RNA-Dependent RNA Polymerase