Identification and molecular characterization of a novel carlavirus infecting rose plants (Rosa chinensis Jacq.)

AbstractIn the present study, the genome sequence of a potential novel virus, tentatively named"rose virus C" (RVC), was mined from publically available transcriptomic data from aRosa chinensis plant. The complete genome sequence of RVC consists of 8,386 nt, excluding a 3 ′ poly(A) tail, and contains five ORFs. Phylogenetic analysis showed that RVC clustered with members of the genusCarlavirus, familyBetaflexiviridae. The replicase gene had 48.8-52.1% nt sequence identity to those of other carlaviruses, while the CP gene had 40.4-45.9% nt sequence identity, which is far below the species demarcation cutoff of 72%. The incidence of RVC in rose plants was low (5.4%). Overall, our data suggest that RVC is a novel atypical virus of the genusCarlavirus.

Source: Archives of Virology - December 1, 2021 Category: Virology Source Type: research