Entomobirnavirus

Entomobirnavirus is a genus of viruses in the family Birnaviridae.[1] Its natural host is the fly Drosophila melanogaster. There are two species in this genus.[2][3]

Entomobirnavirus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: incertae sedis
Family: Birnaviridae
Genus: Entomobirnavirus

Taxonomy

The genus contains the following species:[4]

  • Drosophila X virus
  • Mosquito X virus

Structure

Viruses in the genus Entomobirnavirus are non-enveloped, with icosahedral and single-shelled geometries, and T=13 symmetry. The diameter is around 70 nm. Genomes are linear and segmented, around 15.3.2-3.5kb in length. The genome codes for 5 proteins.[2][3]

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
EntomobirnavirusIcosahedralT=13Non-envelopedLinearSegmented

Life cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by penetration into the host cell. Replication follows the double-stranded RNA virus replication model. Double-stranded rna virus transcription is the method of transcription. Drosophila melanogaster serve as the natural host.[2][3]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
EntomobirnavirusInsects: dipteraNoneCell receptor endocytosisBuddingCytoplasmCytoplasmUnknown

References
  1. Delmas, B; Attoui, H; Ghosh, S; Malik, YS; Mundt, E; Vakharia, VN; ICTV Report, Consortium (January 2019). "ICTV virus taxonomy profile: Birnaviridae". The Journal of General Virology. 100 (1): 5–6. doi:10.1099/jgv.0.001185. PMID 30484762.
  2. "ICTV Report Birnaviridae".
  3. "Viral Zone". ExPASy. Retrieved 15 June 2015.
  4. "Virus Taxonomy: 2020 Release". International Committee on Taxonomy of Viruses (ICTV). March 2021. Retrieved 21 May 2021.
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