title: Comparison of the amino acid sequences of RNA-dependent RNA polymerases of cypoviruses in the family Reoviridae.
abstract: The nucleotide sequences of the genome segment S2 of Bombyx mori cypovirus 1, S2 of Lymantria dispar cypovirus 1, S1 of Lymantria dispar cypovirus 14 and S1 of a proposed new electropherotype of Trichoplusia ni cypovirus 15 were determined. These segments encoded putative RNA-dependent RNA polymerases (RDRPs). The deduced amino acid sequences of RDRPs within the genus Cypovirus showed 32% to 94% identities, while extent of homology between RDRPs in the genera Cypovirus and Oryzavirus, a genus most closely related, was approximately 26% identity. Both the genera Cypovirus and Oryzavirus might have originated from a common insect virus ancestor.
authors.affiliation: Department of Entomology, Clemson University, Clemson, South Carolina, USA.
authors.forename: S
authors.initials: S
authors.lastname: Rao
authors.forename: G R
authors.initials: GR
authors.lastname: Carner
authors.forename: S W
authors.initials: SW
authors.lastname: Scott
authors.forename: T
authors.initials: T
authors.lastname: Omura
authors.forename: K
authors.initials: K
authors.lastname: Hagiwara
mesh_terms: D000595:Amino Acid Sequence; D008969:Molecular Sequence Data; D010802:Phylogeny; D012367:RNA, Viral / Q000235:genetics; D012324:RNA-Dependent RNA Polymerase / Q000737:chemistry* / Q000235:genetics / Q000378:metabolism*; D012087:Reoviridae / Q000201:enzymology* / Q000235:genetics; D016415:Sequence Alignment; D017386:Sequence Homology, Amino Acid
chemical_list: D012367:RNA, Viral; D012324:RNA-Dependent RNA Polymerase