Biology:Pisuviricota

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Short description: Phylum of viruses


Pisuviricota
Pisuviricota-collage.png
Clockwise from top left: TEM of avian coronavirus, Penicillium stoloniferum virus S, picobirnavirus, polio virus, calicivirus, astrovirus, plum pox virus, Nam Dinh virus. Center: phylogenetic tree of phylum Pisuviricota
Virus classification e
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota

Pisuviricota is a phylum of RNA viruses that includes all positive-strand and double-stranded RNA viruses that infect eukaryotes and are not members of the phylum Kitrinoviricota, Lenarviricota or Duplornaviricota.[1] The name of the group is a syllabic abbreviation of “picornavirus supergroup” with the suffix -viricota, indicating a virus phylum.[2] Phylogenetic analyses suggest that Birnaviridae and Permutotetraviridae, both currently unassigned to a phylum in Orthornavirae, also belong to this phylum and that both are sister groups.[3] Another proposed family of the phylum is unassigned Polymycoviridae in Riboviria.[4]

Classes

Phylogenetic tree of Pisuviricota (top), genome of different members and major conserved proteins (bottom)

The following classes are recognized:

References

  1. "Virus Taxonomy: 2019 Release". International Committee on Taxonomy of Viruses. https://ictv.global/taxonomy. 
  2. Koonin EV, Dolja VV, Krupovic M, Varsani A, Wolf YI, Yutin N, Zerbini M, Kuhn JH. "Proposal: Create a megataxonomic framework, filling all principal taxonomic ranks, for realm Riboviria" (in en). https://ictv.global/taxonomy/taxondetails?taxnode_id=201907209. 
  3. "Doubling of the known set of RNA viruses by metagenomic analysis of an aquatic virome". Nature Microbiology 5 (10): 1262–1270. 20 July 2020. doi:10.1038/s41564-020-0755-4. PMID 32690954. 
  4. Suvi Sutela, Anna Poimala, Eeva J Vainio (2019). Viruses of fungi and oomycetes in the soil environment. Oxford Academic.

Wikidata ☰ Q92194811 entry