Cavemovirus

Cavemovirus
Virus classification
(unranked):	Virus
Realm:	Riboviria
Kingdom:	Pararnavirae
Phylum:	Artverviricota
Class:	Revtraviricetes
Order:	Ortervirales
Family:	Caulimoviridae
Genus:	Cavemovirus
Type species
	Cassava vein mosaic virus;

Cavemovirus is a genus of viruses, in the family Caulimoviridae order Ortervirales. Plants serve as natural hosts. There are currently only two species in this genus including the type species Cassava vein mosaic virus. Diseases associated with this genus include: vein-clearing or banding mosaic.[1][2]

Taxonomy

Group: ssRNA-RT

Order: Ortervirales

Family: Caulimoviridae
- Genus: Cavemovirus
  Cassava vein mosaic virus
  
  Sweet potato collusive virus

[2]

Structure

Viruses in Cavemovirus are non-enveloped, with icosahedral geometries, and T=7 symmetry. The diameter is around 50 nm. Genomes are circular and non-segmented. The genome codes for 5 proteins.[1]

Genus	Structure	Symmetry	Capsid	Genomic arrangement	Genomic segmentation
Cavemovirus	Icosahedral	T=7	Non-enveloped	Circular	Monopartite

Life cycle

Viral replication is nuclear/cytoplasmic. Replication follows the dsDNA (RT) replication model. Dsdna (rt) transcription is the method of transcription. The virus exits the host cell by nuclear pore export, and tubule-guided viral movement. Plants serve as the natural host. The virus is transmitted via a vector (aphid insects). Transmission routes are mechanical.[1]

Genus	Host details	Tissue tropism	Entry details	Release details	Replication site	Assembly site	Transmission
Cavemovirus	Plants	None	Viral movement; mechanical inoculation	Viral movement	Nucleus	Cytoplasm	Mechanical inoculation: aphids

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References

"Viral Zone". ExPASy. Retrieved 15 June 2015.
ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.

External links

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.

[ViralZone-1] "Viral Zone". ExPASy. Retrieved 15 June 2015.

[ICTV-2] ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.