Cardoreovirus

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Cardoreovirus
Virus classification OOjs UI icon edit-ltr.svg
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Duplornaviricota
Class: Resentoviricetes
Order: Reovirales
Family: Sedoreoviridae
Genus:Cardoreovirus

Cardoreovirus is a genus of double-stranded RNA viruses in the family Sedoreoviridae . Crabs serve as natural hosts. The genus contains two species. Diseases associated with this genus include: trembling disease. The name derives from Latin words "carcinus" which means crab and "doeca" which means twelve in reference to the number genome segments. [1] [2]

Contents

Structure

Viruses in the genus Cardoreovirus are non-enveloped. They have an icosahedral capsid that is three-layered. The inner shell has T=2 symmetry and the middle shell has T=13 symmetry. The diameter is around 55 nm. [1]

Genome

The genome is made of double-stranded RNA. It is linear and has twelve segments. [1]

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment to host receptors, which mediates endocytosis. Replication follows the double-stranded RNA virus replication model. Double-stranded RNA virus transcription is the method of transcription. The virus exits the host cell by monopartite non-tubule guided viral movement. Crabs serve as the natural host. Transmission routes are passive diffusion. [1]

Taxonomy

The genus contains the following species, listed by scientific name and followed by the exemplar virus of the species: [1] [3]

References

  1. 1 2 3 4 5 "Viral Zone". ExPASy. Retrieved 13 August 2015.
  2. ↑ "Virus Taxonomy: 2024 Release". International Committee on Taxonomy of Viruses. Retrieved 21 April 2025.
  3. ↑ "Species List: Sedoreoviridae". International Committee on Taxonomy of Viruses. Retrieved 21 April 2025.
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