Omegatetravirus

Omegatetravirus is a genus of viruses, in the family Alphatetraviridae. Moths and butterflies serve as natural hosts. There are currently three species in this genus including the type species Nudaurelia capensis omega virus. Infection outcome varies from unapparent to lethal.[1][2]

Omegatetravirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Kitrinoviricota
Class: Alsuviricetes
Order: Hepelivirales
Family: Alphatetraviridae
Genus: Omegatetravirus
Type species
Nudaurelia capensis omega virus

Taxonomy

Group: ssRNA(+)

[2]

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.[1]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
OmegatetravirusIcosahedralT=4Non-envelopedLinearSegmented

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.[1]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
OmegatetravirusMoths; butterfliesMidgutCell receptor endocytosisBuddingCytoplasmCytoplasmOral
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References
  1. "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.

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