Etapapillomavirus
| Etapapillomavirus | |
|---|---|
| Virus classification | |
| Group: |
Group I (dsDNA)
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| Family: | |
| Type Species | |
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Etapapillomavirus is a genus of viruses, in the family Papillomaviridae. Birds serve as natural hosts. There is currently only one species in this genus: the type species Etapapillomavirus 1. Diseases associated with this genus include: causes cutaneous lesions.[1][2]
Taxonomy
Group: dsDNA
-
Family: Papillomaviridae
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Genus: Etapapillomavirus
- Etapapillomavirus 1
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Structure
Viruses in Etapapillomavirus are non-enveloped, with icosahedral geometries, and T=7 symmetry. The diameter is around 60 nm. Genomes are circular, around 8kb in length. The genome has 7 open reading frames.[1]
| Genus | Structure | Symmetry | Capsid | Genomic Arrangement | Genomic Segmentation |
|---|---|---|---|---|---|
| Etapapillomavirus | Icosahedral | T=7 | Non-Enveloped | Circular | Monopartite |
Life Cycle
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. Birds serve as the natural host. Transmission routes are contact.[1]
| Genus | Host Details | Tissue Tropism | Entry Details | Release Details | Replication Site | Assembly Site | Transmission |
|---|---|---|---|---|---|---|---|
| Etapapillomavirus | Birds | Epithelial: skin | Cell receptor endocytosis | Lysis | Nucleus | Nucleus | Contact |
