Levivirus

Levivirus
Virus classification
Type species
	Escherichia virus MS2;

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Levivirus is a genus of viruses, in the family Leviviridae. Enterobacteria serve as natural hosts. There are currently only two species in this genus including the type species Escherichia virus MS2.^[1]^[2]

Taxonomy

Group: ssRNA(+)

Order: Levivirales

Family: Leviviridae
- Genus: Levivirus
  Escherichia virus BZ13
  
  Escherichia virus MS2

^[2]

Structure

Viruses in Levivirus are non-enveloped, with icosahedral and Spherical geometries, and T=3 symmetry. The diameter is around 26 nm. Genomes are linear and non-segmented, around 4kb in length. The genome codes for 4 proteins.^[1]

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

Life cycle

Entry into the host cell is achieved by adsorption 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 bacteria lysis. Enterobacteria serve as the natural host.^[1]

Genus	Host details	Tissue tropism	Entry details	Release details	Replication site	Assembly site	Transmission
Levivirus	Enterobacteria	None	Pili	Lysis	Cytoplasm	Cytoplasm	Contact

References

↑ ^1.0 ^1.1 ^1.2 "Viral Zone". ExPASy. http://viralzone.expasy.org/all_by_species/291.html. Retrieved 15 June 2015.
↑ ^2.0 ^2.1 ICTV. "Virus Taxonomy: 2014 Release". http://ictvonline.org/virusTaxonomy.asp. Retrieved 15 June 2015.

External links

Wikidata ☰ Q16999917 entry

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[ViralZone-1] 1.0 ^1.1 ^1.2 "Viral Zone". ExPASy. http://viralzone.expasy.org/all_by_species/291.html. Retrieved 15 June 2015.

[ICTV-2] 2.0 ^2.1 ICTV. "Virus Taxonomy: 2014 Release". http://ictvonline.org/virusTaxonomy.asp. Retrieved 15 June 2015.

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