Aveparvovirus

Aveparvovirus is a genus of viruses, in the subfamily Parvovirinae of the virus family Parvoviridae.[1][2] There are currently two species in this genus: the type species Galliform aveparvovirus 1 and Gruiform aveparvovirus.[3] At present the only known hosts are turkeys and chickens. Diseases associated with this genus include: enteric disease and malabsorption syndrome.[4][5]

Aveparvovirus
Virus classification
(unranked): Virus
Realm: Monodnaviria
Kingdom: Shotokuvirae
Phylum: Cossaviricota
Class: Quintoviricetes
Order: Piccovirales
Family: Parvoviridae
Subfamily: Parvovirinae
Genus: Aveparvovirus
Type species
Galliform aveparvovirus 1

Structure

Viruses in Aveparvovirus are non-enveloped, with icosahedral and round geometries, and T=1 symmetry. The diameter is around 18-26 nm. Genomes are linear, around 6kb in length.[4]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
AveparvovirusIcosahedralT=1Non-envelopedLinearNone

Life cycle

Viral replication is nuclear. Entry into the host cell is achieved by attachment to host receptors, and is probably driven by clathrin-mediated endocytosis. Replication follows the rolling-hairpin model. DNA-templated transcription, with some alternative splicing mechanism is the method of transcription. Its cell exit strategy remains to be determined but probably involves cell lysis, as seen for other parvoviruses,. Birds serve as the natural host.[4]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
AveparvovirusBirdsuncertainClathrin-mediated endocytosisuncertainNucleusNucleusAerosol; oral-fecal

References
  1. Cotmore, SF; Agbandje-McKenna, M; Canuti, M; Chiorini, JA; Eis-Hubinger, A; Hughes, J; Mietzsch, M; Modha, S; Ogliastro, M; Pénzes, JJ; Pintel, DJ; Qiu, J; Soderlund-Venermo, M; Tattersall, P; Tijssen, P; and the ICTV Report Consortium (2019). "ICTV Virus Taxonomy Profile: Parvoviridae". Journal of General Virology. 100 (3): 367–368. doi:10.1099/jgv.0.001212. PMC 6537627. PMID 30672729.
  2. "ICTV 10th Report (2018)".
  3. "ICTV 10th Report (2018)Aveparvovirus".
  4. "Viral Zone". ExPASy. Retrieved 13 August 2015.
  5. ICTV. "Virus Taxonomy: 2017 Release". Retrieved 16 August 2018.
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