Omegatetravirus is a genus of viruses, in the family Alphatetraviridae. Moths and butterflies serve as natural hosts. There are three species in this genus. Infection outcome varies from unapparent to lethal.
Taxonomy The following species are assigned to the genus, scientific name in parentheses:
Dendrolimus punctatus virus (Omegatetravirus dendrolimi) Helicoverpa armigera stunt virus (Omegatetravirus helicoverpae) Nudaurelia capensis omega virus (Omegatetravirus nudaureliae)
Structure Viruses in Omegatetravirus are non-enveloped, with icosahedral geometries, and T=4 symmetry. The diameter is around 40 nm. Genomes are linear and bipartite, around 2.5kb in length.
Life cycle Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. Translation takes place by leaky scanning. Moths and butterflies serve as the natural host. Transmission routes are oral.
References
External links Viralzone: Omegatetravirus ICTV
