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A novel mycovirus, proposed name Magnaporthe oryzae botourmiavirus 9 (MoBV9), was described in the rice blast fungus, Magnaporthe oryzae isolate SH05. The virus has a positive single-stranded (+) ss RNA genome of 2,812 nucleotides and contains a single open reading frame predicted to encode an RNA-dependent RNA polymerase closely related to some unclassified viruses of the family Botourmiaviridae, such as Plasmopara viticola lesion associated ourmia-like virus 44, Plasmopara viticola lesion associated ourmia-like virus 47and Cladosporium uredinicola ourmiavirus 1. Genome comparison and phylogenetic analysis supported the notion that MoBV9 is a new member of the family Botourmiaviridae. |
