Levivirus

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]

Levivirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Lenarviricota
Class: Allassoviricetes
Order: Levivirales
Family: Leviviridae
Genus: Levivirus
Type species
Escherichia virus MS2

Taxonomy

Group: ssRNA(+)

[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]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
LevivirusIcosahedralT=3Non-envelopedLinearMonopartite

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]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
LevivirusEnterobacteriaNonePiliLysisCytoplasmCytoplasmContact
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References
  1. "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.
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