Alphacoronavirus 1
Alphacoronavirus 1 is a species of coronavirus that infects cats, dogs and pigs. It includes the virus strains feline coronavirus, canine coronavirus, and transmissible gastroenteritis virus. It is an enveloped, positive-strand RNA virus which is able to enter its host cell by binding to the APN receptor.
| Alphacoronavirus 1 | |
|---|---|
| Electron micrograph of Alphacoronavirus 1 of pig (transmissible gastroenteritis coronavirus) | |
| Virus classification | |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Orthornavirae |
| Phylum: | Pisuviricota |
| Class: | Pisoniviricetes |
| Order: | Nidovirales |
| Family: | Coronaviridae |
| Genus: | Alphacoronavirus |
| Subgenus: | Tegacovirus |
| Species: | Alphacoronavirus 1 |
| Member viruses | |
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Member viruses were first recognised as viruses that caused transmissible gastroenteritis in pigs in 1965. It was originally named porcine transmissible gastroenteritis virus in 1976. After subsequent discovery of canine coronavirus in dogs and feline coronavirus in cats, the three virus species were merged into a single species in 2009. The strain canine coronavirus-HuPn-2018 has been identified in a small number of human cases.
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