Abstract
The full-length nucleotide sequence and genome organization of a novel mycovirus designated as "Rhizoctonia fumigata partitivirus 1" (RfPV1) from Rhizoctonia fumigata AG-Ba strain C-314 Baishi was determined. The genome of RfPV1 consists of two double-stranded RNAs (dsRNAs): dsRNA1 (2003 bp) and dsRNA2 (1802bp). Each of the two dsRNAs contains one open reading frame, coding for a putative RNA-dependent RNA polymerase and a coat protein, respectively. The 5' untranslated regions (UTRs) of both dsRNAs were conserved, and the 3'-UTRs of the two dsRNAs had interrupted poly(A) tails, similar to other partitiviruses. Phylogenetic analysis indicated that RfPV1 is a new species in the genus Alphapartitivirus, family Partitiviridae.
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