Ourmiavirus

Ourmiavirus is a genus of viruses. Cucurbits, cherry, and cassava serve as natural hosts. There are currently three species in this genus including the type species Ourmia melon virus.[1][2] Diseases associated with this genus include: ouMV: yellowing and chlorotic spot symptoms.[1][2][3][4]

Ourmiavirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Lenarviricota
Class: Miaviricetes
Order: Ourlivirales
Family: Botourmiaviridae
Genus: Ourmiavirus
Type species
Ourmia melon virus
Species
  • Cassava virus C
  • Epirus cherry virus
  • Ourmia melon virus

Structure

Viruses in Ourmiavirus are non-enveloped, with icosahedral and Bacilliform geometries, and T=1 symmetry. The diameter is around 18 nm, with a length of 30 nm. Genomes are linear and segmented, around 2.8kb in length.[1][2][3]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
OurmiavirusUnknownUnknown

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. Cucurbits, cherry, and cassava serve as the natural host.[1][2][3]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
OurmiavirusPlantsNoneUnknownUnknownUnknownUnknownUnknown
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References
  1. Turina, M; Hillman, BI; Izadpanah, K; Rastgou, M; Rosa, C; ICTV Report Consortium (February 2017). "ICTV Virus Taxonomy Profile: Ourmiavirus". The Journal of General Virology. 98 (2): 129–130. doi:10.1099/jgv.0.000725. PMC 5802297. PMID 28284246.
  2. "ICTV Online (10th) report - Ourmiavirus". International Committee on Taxonomy of Viruses.
  3. "Viral Zone". ExPASy. Retrieved 15 June 2015.
  4. Index of Viruses—Ourmiavirus (2006). In: ICTVdB—The Universal Virus Database, version 4. Büchen-Osmond, C (Ed), Columbia University, New York, USA. https://www.ncbi.nlm.nih.gov/ICTVdb/Ictv/fs_index.htm
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