Avihepatovirus

Avihepatovirus is a genus of viruses in the order Picornavirales, in the family Picornaviridae. Ducks and geese serve as natural hosts. There is currently only one species in this genus: the type species Avihepatovirus A. Diseases associated with this genus include: fatal hepatitis.[1][2]

Avihepatovirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Pisoniviricetes
Order: Picornavirales
Family: Picornaviridae
Genus: Avihepatovirus
Type species
Avihepatovirus A

Taxonomy

Group: ssRNA(+)

[2]

Structure

Viruses in Avihepatovirus are non-enveloped, with icosahedral, spherical, and round geometries, and T=pseudo3 symmetry. The diameter is around 30 nm. Genomes are linear and non-segmented, around 7.7kb in length.[1]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
AvihepatovirusIcosahedralPseudo T=3Non-envelopedLinearMonopartite

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment of the virus to host receptors, which mediates endocytosis. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. Translation takes place by ribosomal skipping. The virus exits the host cell by lysis, and viroporins. Ducks and geese serve as the natural host. Transmission routes are fecal-oral.[1]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
AvihepatovirusBirdsNoneUnknownUnknownCytoplasmCytoplasmUnknown
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References
  1. "Viral Zone". ExPASy. Retrieved 13 August 2015.
  2. ICTV. "Virus Taxonomy: 2014 Release". Retrieved 13 August 2015.
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