The Complete Genome Sequence of Two Isolates of Southern rice black-streaked dwarf virus, a New Member of the Genus Fijivirus
2010
The nucleotide sequences of genomic segments S1–S8 and S1–S6, respectively, of the Hainan (HN) and Guangdong (GD) isolates of a rice-infecting fijivirus were determined, completing the genome sequences of these isolates. The isolates were most closely related to Rice black-streaked dwarf virus (RBSDV): S1, S2 and S10 were most conserved with identities of 78.5–79.2% nt (83.4–89.0% aa) while S5 and S6 were the least conserved with 70.6–71.6% nt (63.1–69.9% aa) identity. Whole genome comparisons and phylogenetic analyses supported suggestions that the isolates represent a new species within the genus Fijivirus, family Reoviridae .O f the two names previously suggested for this virus, Southern rice black-streaked dwarf virus is preferred.
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