Biology:Mycoreovirus
Mycoreovirus | |
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TEM of SsMYRV4 particles | |
Virus classification | |
(unranked): | Virus |
Realm: | Riboviria |
Kingdom: | Orthornavirae |
Phylum: | Duplornaviricota |
Class: | Resentoviricetes |
Order: | Reovirales |
Family: | Sedoreoviridae |
Subfamily: | Spinareovirinae |
Genus: | Mycoreovirus |
Mycoreovirus is a genus of double-stranded RNA viruses in the family Reoviridae and subfamily Spinareovirinae. Fungi serve as natural hosts. Diseases associated with this genus include: hypovirulence of the fungal host. The name of the group derives from Ancient Greek myco which means fungus. There are three species in this genus.[1][2]
Structure
Viruses in genus Mycoreovirus are non-enveloped with icosahedral geometries. The outer capsid has T=13 symmetry and the inner capsid has T=2 symmetry. The diameter is around 80 nm. Genomes are linear and segmented, and around 23 kbp in total length. The genome codes for 12 proteins.[1]
Life cycle
Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment to host receptors, which mediates endocytosis. Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of transcription. The virus exits the host cell by cell to cell movement, and monopartite non-tubule guided viral movement. Fungi serve as the natural host.[1]
Genus | Host details | Tissue tropism | Entry details | Release details | Replication site | Assembly site | Transmission |
---|---|---|---|---|---|---|---|
Mycoreovirus | Fungi | Mycelium | Cell death; cytoplasmic exchange, sporogenesis; hyphal anastomosis | Cell death; cytoplasmic exchange, sporogenesis; hyphal anastomosis | Cytoplasm | Cytoplasm | Cytoplasmic exchange, sporogenesis; hyphal anastomosis |
Taxonomy
There are three species in this genus:[2]
- Mycoreovirus 1
- Mycoreovirus 2
- Mycoreovirus 3
References
- ↑ 1.0 1.1 1.2 "Viral Zone". ExPASy. http://viralzone.expasy.org/all_by_species/630.html. Retrieved 15 June 2015.
- ↑ 2.0 2.1 "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. https://ictv.global/taxonomy.
External links
Wikidata ☰ Q18822295 entry
Original source: https://en.wikipedia.org/wiki/Mycoreovirus.
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