Hepanhamaparvovirus

Hepanhamaparvovirus is a genus of viruses that belongs to the Hapanhamavirinae subfamily[1] of the family Parvoviridae.[2][3]. Insects and shrimps serve as natural hosts. Infection leads to mortality in the early larval and postlarval stages of the shrimp.[4][1] There is currently only one species in this genus: the type species Decapod hepanhamaparvovirus 1.

Hepanhamaparvovirus
Virus classification
(unranked): Virus
Realm: Monodnaviria
Kingdom: Shotokuvirae
Phylum: Cossaviricota
Class: Quintoviricetes
Order: Piccovirales
Family: Parvoviridae
Subfamily: Hamaparvovirinae
Genus: Hepanhamaparvovirus
Type species
Decapod hepanhamaparvovirus 1

Taxonomy

Group: ssDNA

[1][3]

Structure

Viruses in genus Hepanhamaparvovirus are non-enveloped, with T=1 icosahedral symmetry and round geometries. The diameter is around 21-22 nm. Genomes are linear, around 6kb in length.[4][3]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
HepanhamaparvovirusIcosahedralT=1Non-envelopedLinearSegmented

Life cycle

Viral replication is nuclear. Entry into the host cell is achieved by attachment to host receptors, which mediate clathrin-mediated endocytosis. Replication follows the rolling-hairpin model. DNA-templated transcription, with some alternative splicing mechanism is the method of transcription. The virus exits the host cell by nuclear pore export. Insects and shrimps serve as the natural host.[4][3]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
HepanhamaparvovirusCrustaceansNoneClathrin-mediated endocytosisBuddingNucleusNucleusUnknown
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References
  1. "Virus Taxonomy: 2019 Release". talk.ictvonline.org. International Committee on Taxonomy of Viruses. Retrieved 8 May 2020.
  2. 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.
  3. "ICTV 10th Report (2018) Parvoviridae".
  4. "Viral Zone". ExPASy. Retrieved 13 August 2015.
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