| Thetatorquevirus | |
|---|---|
Virus classification  | |
| (unranked): | Virus |
| Realm: | incertae sedis |
| Kingdom: | incertae sedis |
| Phylum: | incertae sedis |
| Class: | incertae sedis |
| Order: | incertae sedis |
| Family: | Anelloviridae |
| Genus: | Thetatorquevirus |
Thetatorquevirus is a genus in the family of Anelloviridae , in group II in the Baltimore classification. The genus contains 10 species. [1]
The genus contains the following species: [1]
Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular organisms.
Okavirus is a genus of enveloped positive-strand RNA viruses which infect crustaceans. Host organisms are mostly shrimp. It is the only genus in the family Roniviridae. Viruses associated with the genus include: gill-associated virus (GAV) which causes reddening, biofouling with exoparasites, emaciation, and massive mortality; and yellow head virus (YHV) which causes yellow head, arrest of feeding, and massive mortality. The name is derived from the 'Oka' or lymphoid organ in which the viruses are commonly detected and in which pathology occurs during acute infections. Lymphoid organs are anatomical structures common to penaeid shrimp. There are three species in this genus.
Avulavirinae is a subfamily of viruses in the family Paramyxoviridae. Members of the subfamily are collectively known as avulaviruses. All members of the subfamily primarily infect birds. Avulavirinae was previously recognized as the genus Avulavirus before being elevated to a subfamily. The term avula comes from "avian rubula", distinguishing it from rubulaviruses of the subfamily Rubulavirinae due to avulaviruses only infecting birds and translating protein V from an edited RNA transcript. The most notable avulavirus is the Newcastle disease virus, a strain of Avian orthoavulavirus 1.
Anelloviridae is a family of viruses. They are classified as vertebrate viruses and have a non-enveloped capsid, which is round with isometric, icosahedral symmetry and has a triangulation number of 3.
Plasmaviridae is a family of bacteria-infecting viruses. Acholeplasma species serve as natural hosts. There is one genus in the family, Plasmavirus, which contains one species: Acholeplasma virus L2. All viruses known in this family have been isolated from species in the class Mollicutes.
Globuloviridae is a family of hyperthermophilic archaeal viruses. Crenarchaea of the genera Pyrobaculum and Thermoproteus serve as natural hosts. There are four species in this family, assigned to a single genus, Alphaglobulovirus.
Alphatorquevirus is a genus of viruses in the family Anelloviridae, in group II in the Baltimore classification. It encompasses many species of the virus formerly known as TTV, transfusion transmitted virus, or torque teno virus, SENV, SANBAN, and others. The genus contains 26 species.
Betatorquevirus is a genus of viruses in the family Anelloviridae, in group II in the Baltimore classification. The genus Betatorquevirus includes all "torque teno mini viruses" (TTMV), numbered from 1 to 38 as 38 species.
Gammatorquevirus is a genus of viruses in the family Anelloviridae, in group II in the Baltimore classification. It contains 15 species. The fifteen species are all named "torque teno midi virus" (TTMDV), number 1–15.
Deltatorquevirus is a genus of viruses in the family Anelloviridae, in group II in the Baltimore classification. It encompasses the single species of the Torque teno tupaia virus.
Epsilontorquevirus is a genus in the family of Anelloviridae, in group II in the Baltimore classification. It encompasses the single species of the Torque teno tamarin virus.
Etatorquevirus is a genus of viruses in the family Anelloviridae, in group II in the Baltimore classification. It includes five species.
Iotatorquevirus is a genus of viruses in the family Anelloviridae, in group II in the Baltimore classification. It includes one species: Torque teno sus virus 1a.
Zetatorquevirus is a genus in the family of Anelloviridae, in group II in the Baltimore classification. It encompasses the single species Torque teno douroucouli virus.
Ampullaviridae is a family of viruses that infect archaea of the genus Acidianus. Only one genus in this family has been described, Bottigliavirus, which contains three species. The name of the family and genus is derived from the Latin word for bottle, ampulla, due to the virions having the shape of a bottle. The family was first described during an investigation of the microbial flora of hot springs in Italy.
Quadriviridae is a family of double-stranded RNA viruses with a single genus Quadrivirus. The fungi Rosellinia necatrix serves as a natural host. The name of the group derives from the quadripartite genome of its members where in Latin quad means four. There is only one species in this family: Rosellinia necatrix quadrivirus 1.
Kappatorquevirus is a genus of viruses, in the family Anelloviridae. Pigs serve as natural hosts. There are two species in this genus. Diseases associated with this genus include: possibly post-weaning multisystemic wasting syndrome (PMWS).
Lambdatorquevirus is a genus of viruses, in the family Anelloviridae. Sea lions serve as natural hosts. There are six species in this genus.
Torque teno virus, belonging to the family Anelloviridae, is a group of virus strains that are non-enveloped, with a single-stranded circular DNA genome ranging from 2.6 to 2.8 kb in size. These swine infecting anelloviruses are divided into two genera: Iotatorquevirus and Kappatorquevirus. Torque teno sus virus has been found in pigs worldwide. TTSuVs are mainly transmitted by fecal-oral route. The prevalence of these viruses is relatively high. For now, there is not known disease caused exclusively by TTSuV. There is the possibility that TTSuV may worsen the progression of other diseases and therefore increase the economic losses for pig industry.
Ribozyviria is a realm of satellite nucleic acids. Established in ICTV TaxoProp 2020.012D, the realm is named after the presence of genomic and antigenomic ribozymes of the Deltavirus type. Additional common features include a rod-like structure, a RNA-binding "delta antigen" encoded in the genome, and animal hosts. Furthermore, the size range of the genomes of these viruses is between around 1547–1735nt, they encode a hammerhead ribozyme or a hepatitis delta virus ribozyme, and their coding capacity only involves one conserved protein. Most lineages of this realm are poorly understood, the notable exception being members of the genus Deltavirus, the causal agents of Hepatitis D in humans.
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