Cyvirus

Cyvirus, also known as Cyprinivirus is a genus of viruses in the order Herpesvirales, in the family Alloherpesviridae. Freshwater eels serve as natural hosts. There are four species in this genus. Diseases associated with this genus include: hemorrhagic disease.[1][2]

Cyprinivirus
Virus classification Edit this classification
(unranked): Virus
Realm: Duplodnaviria
Kingdom: Heunggongvirae
Phylum: Peploviricota
Class: Herviviricetes
Order: Herpesvirales
Family: Alloherpesviridae
Genus: Cyvirus
Species

See text

Synonyms
  • Cyprinivirus

Species

The genus consists of the following four species:[2]

Structure

Viruses in Cyprinivirus are enveloped, with icosahedral and spherical to pleomorphic geometries, and T=16 symmetry. The diameter is around 200 nm. Genomes are linear and non-segmented, around 10kb in length. The genome codes for 136 proteins.[1]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
CyprinivirusSpherical pleomorphicT=16EnvelopedLinearMonopartite

Life cycle

Viral replication is nuclear, and is lysogenic. Entry into the host cell is achieved by attachment of the viral glycoproteins to host receptors, which mediates endocytosis. DNA-templated transcription is the method of transcription. Freshwater eel serve as the natural host. Transmission routes are passive diffusion.[1]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
CyprinivirusFresh water eelNoneGlycoprotiensBuddingCytoplasmCytoplasmPassive diffusion

References
  1. "Viral Zone". ExPASy. Archived from the original on 28 August 2015. Retrieved 13 August 2015.
  2. "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 10 May 2021.
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