Torradovirus

Torradovirus
Virus classification
(unranked):	Virus
Realm:	Riboviria
Kingdom:	Orthornavirae
Phylum:	Pisuviricota
Class:	Pisoniviricetes
Order:	Picornavirales
Family:	Secoviridae
Genus:	Torradovirus
Type species
	Tomato torrado virus;

Torradovirus is a genus of viruses in the order Picornavirales, in the family Secoviridae. Plants serve as natural hosts. There are currently six species in this genus including the type species Tomato torrado virus. Diseases associated with this genus include: torrado disease: severe necrosis of leaves and fruits.[1][2]

Taxonomy

Group: ssRNA(+)

Order: Picornavirales

Family: Secoviridae
- Genus: Torradovirus
  Carrot torradovirus 1
  
  Lettuce necrotic leaf curl virus
  
  Motherwort yellow mottle virus
  
  Squash chlorotic leaf spot virus
  
  Tomato marchitez virus
  
  Tomato torrado virus

[2]

Structure

Viruses in Torradovirus are non-enveloped, with icosahedral geometries, and T=pseudo3 symmetry. The diameter is around 30 nm. Genomes are linear and segmented, bipartite, around 25.4kb in length.[1]

Genus	Structure	Symmetry	Capsid	Genomic arrangement	Genomic segmentation
Torradovirus	Icosahedral	Pseudo T=3	Non-enveloped	Linear	Monopartite

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the positive stranded RNA virus replication model. Positive stranded RNA virus transcription is the method of transcription. The virus exits the host cell by tubule-guided viral movement. Plants serve as the natural host. The virus is transmitted via a vector (whitefly). Transmission routes are vector and mechanical.[1]

Genus	Host details	Tissue tropism	Entry details	Release details	Replication site	Assembly site	Transmission
Torradovirus	Plants	None	Viral movement; mechanical inoculation	Viral movement	Cytoplasm	Cytoplasm	Vector; mechanical

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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.