Captovirus is a genus of dsDNA viruses in the family Ungulaviridae. Archaea acidianus serve as natural hosts. There is only one species in this genus: Captovirus AFV1, which was renamed to Captovirus yellowstonese in ICTV 2023 release.[1][2]

Structure

Model of the virion of AFV-1, Captovirus (cross section)

Viruses in Captovirus are enveloped, with rod-shaped geometries. The diameter is around 24 nm, with a length of 900 nm. Genomes are linear, around 20kb in length. The genome codes for 40 proteins.[1]

Genus Structure Symmetry Capsid Genomic arrangement Genomic segmentation
Captovirus Rod-shaped Enveloped Linear Monopartite
Genome map of AFV-1, Captovirus

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by adsorption into the host cell. DNA-templated transcription is the method of transcription. Archaea acidianus serve as the natural host. Transmission routes are passive diffusion.[1]

Genus Host details Tissue tropism Entry details Release details Replication site Assembly site Transmission
Captovirus Archea: acidianus None Injection Budding Cytoplasm Cytoplasm Passive diffusion

References

  1. ^ a b c "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. ^ "Virus Taxonomy: 2023 Release". International Committee on Taxonomy of Viruses (ICTV). March 2023. Retrieved 6 February 2025.
Allikas: http://en.wikipedia.org/wiki/Acidianus_filamentous_virus_1
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