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Xipapillomavirus
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| Xipapillomavirus | |
|---|---|
Virus classification 
| |
| (unranked): | Virus |
| Realm: | Monodnaviria |
| Kingdom: | Shotokuvirae |
| Phylum: | Cossaviricota |
| Class: | Papovaviricetes |
| Order: | Zurhausenvirales |
| Family: | Papillomaviridae |
| Genus: | Xipapillomavirus |
Xipapillomavirus is a genus of viruses in the family Papillomaviridae.[1] Bovines serve as natural hosts. There are five species in this genus. Diseases associated with this genus include true papillomas on the cutaneous or mucosal surfaces of cattle.[2][3]
Taxonomy
[edit]The following five species are assigned to the genus:[3]
Structure
[edit]Viruses in Xipapillomavirus are non-enveloped, with icosahedral geometries, and T=7 symmetry. The diameter is around 52-55 nm. Genomes are circular, around 7kb in length. The genome has 6 open reading frames.[2]
| Genus | Structure | Symmetry | Capsid | Genomic arrangement | Genomic segmentation |
|---|---|---|---|---|---|
| Xipapillomavirus | Icosahedral | T=7 | Non-enveloped | Circular | Monopartite |
Life cycle
[edit]Viral replication is nuclear. Entry into the host cell is achieved by attachment of the viral proteins to host receptors, which mediates endocytosis. Replication follows the dsDNA bidirectional replication model. DNA-templated transcription, with some alternative splicing mechanism is the method of transcription. The virus exits the host cell by nuclear envelope breakdown. Bovine serve as the natural host. Transmission routes are contact.[2]
| Genus | Host details | Tissue tropism | Entry details | Release details | Replication site | Assembly site | Transmission |
|---|---|---|---|---|---|---|---|
| Xipapillomavirus | Bovines | Epithelial: mucous; epithelial: skin | Cell receptor endocytosis | Lysis | Nucleus | Nucleus | Contact |
References
[edit]- ^ Van Doorslaer, K; Chen, Z; Bernard, HU; Chan, PKS; DeSalle, R; Dillner, J; Forslund, O; Haga, T; McBride, AA; Villa, LL; Burk, RD; ICTv Report Consortium (August 2018). "ICTV Virus Taxonomy Profile: Papillomaviridae". The Journal of General Virology. 99 (8): 989–990. doi:10.1099/jgv.0.001105. PMC 6171710. PMID 29927370.
- ^ a b c "Viral Zone". ExPASy. Retrieved 15 June 2015.
- ^ a b "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 10 May 2021.