Rymovirus

Rymovirus is a genus of viruses, in the family Potyviridae. Plants serve as natural hosts. There are currently three species in this genus including the type species Ryegrass mosaic virus.[1][2]

Rymovirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Stelpaviricetes
Order: Patatavirales
Family: Potyviridae
Genus: Rymovirus
Type species
Ryegrass mosaic virus

Taxonomy

Group: ssRNA(+)

[2]

Structure

Viruses in Rymovirus are non-enveloped, with flexuous and filamentous geometries. The diameter is around 11-15 nm, with a length of 200-300 nm. Genomes are linear and non-segmented, bipartite, around 9-10kb in length.[1]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
RymovirusFilamentousNon-envelopedLinearSegmented

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 (mite). Transmission routes are vector and mechanical.

[1]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
RymovirusPlantsNoneViral movement; mechanical inoculationViral movementCytoplasmCytoplasmMechanical inoculation: mites

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