Tepovirus

Tepovirus is a genus of viruses in the order Tymovirales, in the family Betaflexiviridae. Plants as well as some other root and tuber crops in the andes serve as natural hosts. There are currently two species in this genus including the type species Potato virus T.[1][2]

Tepovirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Kitrinoviricota
Class: Alsuviricetes
Order: Tymovirales
Family: Betaflexiviridae
Subfamily: Trivirinae
Genus: Tepovirus
Type species
Potato virus T

Taxonomy

Group: ssRNA(+)

[2]

Structure

Viruses in Tepovirus are non-enveloped, with flexuous and filamentous geometries. The diameter is around 12 nm. Genomes are linear, around 6.5kb in length. The genome codes for 3 proteins.[1]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
TepovirusFilamentousNon-envelopedLinearMonopartite

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. Plants as well as some other root and tuber crops in the Andes serve as the natural host. Transmission routes are seed borne and pollen associated.[1]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
TepovirusPome fruits; citrus; pearNoneViral movement; mechanical inoculationViral movementCytoplasmCytoplasmGrafting; propagating material
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References
  1. "Viral Zone". ExPASy. Retrieved 13 August 2015.
  2. ICTV. "Virus Taxonomy: 2014 Release". Retrieved 13 August 2015.
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