Omegatetravirus Explained

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.^{[1] [2]}

Taxonomy

The following species are assigned to the genus:

• Dendrolimus punctatus virus
• Helicoverpa armigera stunt virus
• Nudaurelia capensis omega virus

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.

Genus	Structure	Symmetry !	Capsid	Genomic arrangement	Genomic segmentation
Omegatetravirus	Icosahedral	T=4	Non-enveloped	Linear	Segmented

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.

External links

• Viralzone: Omegatetravirus
• ICTV

Notes and References

1. Web site: Viral Zone. ExPASy. 15 June 2015.
2. Web site: Virus Taxonomy: 2020 Release . International Committee on Taxonomy of Viruses (ICTV) . March 2021 . 14 May 2021.