Iridovirus

Iridovirus
Virus classification
Group: Group I (dsDNA)
Family: Iridoviridae
Genus: Iridovirus
Type Species
  • Invertebrate iridescent virus 6

Iridovirus is a genus of viruses, in the family Iridoviridae.[1] Insects serve as natural hosts. There are currently only two species in this genus including the type species Invertebrate iridescent virus 6. Diseases associated with this genus include: in mosquitoes, IIV-6 usually causes covert (inapparent) infection that reduces fitness.[1][2]

Taxonomy

Group: dsDNA

[1]

Structure

Viruses in Iridovirus are enveloped, with icosahedral and Polyhedral geometries, and T=147 symmetry. The diameter is around 185 nm. Genomes are circular, around 213kb in length. The genome codes for 211 proteins.[1][2]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
IridovirusPolyhedralT=147LinearMonopartite

Life cycle

Viral replication is nucleo-cytoplasmic. Entry into the host cell is achieved by attachment of the viral proteins to host receptors, which mediates endocytosis. Replication follows the DNA strand displacement model. DNA-templated transcription is the method of transcription. Insects serve as the natural host.[2]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
IridovirusInsectsNoneCell receptor endocytosisLysis; buddingNucleusCytoplasmContact

References

  1. 1 2 3 4 "Iridoviridae". ICTV Online (10th) Report.
  2. 1 2 3 "Viral Zone". ExPASy. Retrieved 15 June 2015.
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