Phaeovirus
Phaeovirus is a genus of viruses, in the family Phycodnaviridae. Alga serve as natural hosts. There are currently nine species in this genus including the type species Ectocarpus siliculosus virus 1.[1][2]
| Phaeovirus | |
|---|---|
Virus classification  | |
| (unranked): | Virus |
| Realm: | Varidnaviria |
| Kingdom: | Bamfordvirae |
| Phylum: | Nucleocytoviricota |
| Class: | Megaviricetes |
| Order: | Algavirales |
| Family: | Phycodnaviridae |
| Genus: | Phaeovirus |
| Type species | |
| Ectocarpus siliculosus virus 1 | |
Taxonomy
Group: dsDNA
Order: Algavirales
- Family: Phycodnaviridae
- Genus: Phaeovirus
- Ectocarpus fasciculatus virus a
- Ectocarpus siliculosus virus 1
- Ectocarpus siliculosus virus a
- Feldmannia irregularis virus a
- Feldmannia species virus
- Feldmannia species virus a
- Hincksia hinckiae virus a
- Myriotrichia clavaeformis virus a
- Pilayella littoralis virus 1
Structure
Viruses in Phaeovirus are enveloped, with icosahedral and Round geometries, and T=169 symmetry. The diameter is around 120-150 nm. Genomes are linear, around 150-350kb in length.[1]
| Genus | Structure | Symmetry | Capsid | Genomic arrangement | Genomic segmentation |
|---|---|---|---|---|---|
| Phaeovirus | Icosahedral | T=169 | Enveloped | Linear | Monopartite |
Life cycle
Viral replication is nucleo-cytoplasmic, and is lysogenic. Replication follows the DNA strand displacement model. DNA-templated transcription is the method of transcription. The virus exits the host cell by lysis via lytic phospholipids. Alga serve as the natural host. Transmission routes are passive diffusion.[1]
| Genus | Host details | Tissue tropism | Entry details | Release details | Replication site | Assembly site | Transmission |
|---|---|---|---|---|---|---|---|
| Phaeovirus | Alga | None | Cell receptor endocytosis | Lysis | Nucleus | Cytoplasm | Passive diffusion |
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References
- "Viral Zone". ExPASy. Retrieved 15 June 2015.
- ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.
External links
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