Cytorhabdovirus

Cytorhabdovirus is a genus of viruses in the family Rhabdoviridae,[1] order Mononegavirales. Plants serve as natural hosts.[2][3]

Cytorhabdovirus
Electron micrograph of rice stripe mosaic cytorhabdovirus and genome
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Negarnaviricota
Class: Monjiviricetes
Order: Mononegavirales
Family: Rhabdoviridae
Genus: Cytorhabdovirus
Type species
Lettuce necrotic yellows cytorhabdovirus

Structure

Cytorhabdovirions are enveloped, with bullet shaped and bacilliform geometries. These virions are about 75 nm wide and 180 nm long.[2][3]

Genome

Cytorhabdovirus genomes are linear and around 13 kb in length.[2][3]

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by attachment of the viral G glycoproteins to host receptors, which mediates endocytosis. Replication follows the negative stranded RNA virus replication model. Negative stranded RNA virus transcription, using polymerase stuttering is the method of transcription. The virus exits the host cell by budding, and tubule-guided viral movement. Plants serve as the natural host. The virus is transmitted via a vector (insect aphid, leafhopper, planthopper, and insect). Transmission routes are vector.[2][3]

Taxonomy

The following genera are recognized:[4]

Phylogenetic tree and genome of cytorhabdoviruses

References
  1. Walker, PJ; Blasdell, KR; Calisher, CH; Dietzgen, RG; Kondo, H; Kurath, G; Longdon, B; Stone, DM; Tesh, RB; Tordo, N; Vasilakis, N; Whitfield, AE; Ictv Report, Consortium (19 February 2018). "ICTV Virus Taxonomy Profile: Rhabdoviridae". The Journal of General Virology. 99 (4): 447–448. doi:10.1099/jgv.0.001020. PMID 29465028.
  2. "ICTV Online Report Rhabdoviridae".
  3. "Viral Zone". ExPASy. Retrieved 15 June 2015.
  4. "Virus Taxonomy: 2019 Release". talk.ictvonline.org. International Committee on Taxonomy of Viruses. Retrieved 8 May 2020.
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