Sedoreovirinae

Sedoreovirinae (sedo = smooth) is a subfamily of the Reoviridae family of viruses.[1] Viruses in this subfamily are distinguished by the absence of a turreted protein on the inner capsid to produce a smooth surface.[2]

Sedoreovirinae
Cryo-EM of protein capsid structure of rice dwarf virus (RDV)
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Duplornaviricota
Class: Resentoviricetes
Order: Reovirales
Family: Reoviridae
Subfamily: Sedoreovirinae
Genera

Characteristics

Like other members of the Reoviridae family, viruses of the Sedoreovirinae subfamily are made of naked, icosahedral capsids containing 10-12 segments of linear double-stranded RNA (dsRNA). The Baltimore System of viral classification categorizes Reoviridae in Group III.

Importance

Viruses classified in the Sedoreovirinae subfamily infect a wide range of plants and animals, including some that can infect humans. There is not only the potential of a few of these viruses to cause human disease, but also to reduce the supply of crops and livestock.

Viruses
Intact double-shelled Rotavirus particles

Genus Cardoreovirus

Eriocheir sinensis reovirus was isolated out of a Chinese mitten crab (Eriocheir sinensis). No currently known associated disease.[3]

Genus Mimoreovirus

Microsomonas pusilla reovirus was isolated from the marine protist Micromonas pusilla[4]

Genus Orbivirus

Arboviruses containing dsRNA are placed in this genus. Some Orbivirus infect livestock with high rates of morbidity and mortality.[5] Includes: Bluetongue virus, African horse sickness virus, Epizootic hemorrhagic disease virus, among others.

Genus Phytoreovirus

Known phytoreoviruses are plant pathogens causing dwarfism and the formation of tumors.[6] Included: Rice dwarf virus, Rice gall dwarf virus, and Wound tumor virus.

Genus Rotavirus

Rotavirus A-E cause infantile gastroenteritis in humans and farm animals.[7]

Genus Seadornavirus

Many known Seadornaviruses cause encephalitis in humans. Included: Banna virus, Kadipiro virus, and Liao ning virus.[8]

References
  1. "International Committee on Taxonomy of Viruses (ICTV)". talk.ictvonline.org. Retrieved 20 December 2018.
  2. Viruses, International Committee on Taxonomy of; King, Andrew MQ (8 November 2011). Virus Taxonomy: Ninth Report of the International Committee on Taxonomy of Viruses. Elsevier. ISBN 9780123846846. Retrieved 20 December 2018 – via Google Books.
  3. Zhang S; Shi Z; Zhang J; Bonami JR (December 2004). "Purification and characterization of a new reovirus from the Chinese mitten crab, Eriocheir sinensis". Journal of Fish Diseases. 27 (12): 687–92. doi:10.1111/j.1365-2761.2004.00587.x. PMID 15575876.
  4. Attoui H; Jaafar FM; Belhouchet M; de Micco P; de Lamballerie X; Brussaard CP (May 2006). "Micromonas pusilla reovirus: a new member of the family Reoviridae assigned to a novel proposed genus (Mimoreovirus)". The Journal of General Virology. 87 (Pt 5): 1375–83. doi:10.1099/vir.0.81584-0. PMID 16603541.
  5. Firth AE (2008). "Bioinformatic analysis suggests that the Orbivirus VP6 cistron encodes an overlapping gene". Virology Journal. 5: 48. doi:10.1186/1743-422X-5-48. PMC 2373779. PMID 18489030.
  6. Wei T; Uehara-Ichiki T; Miyazaki N; Hibino H; Iwasaki K; Omura T (October 2009). "Association of Rice gall dwarf virus with microtubules is necessary for viral release from cultured insect vector cells". Journal of Virology. 83 (20): 10830–5. doi:10.1128/JVI.01067-09. PMC 2753141. PMID 19640979.
  7. "Rotavirus | Home | Gastroenteritis | CDC". www.cdc.gov. Retrieved 2016-04-11.
  8. Lu Z, Liu H, Fu S, et al. (2011). "Liao ning virus in China". Virology Journal. 8: 282. doi:10.1186/1743-422X-8-282. PMC 3121708. PMID 21649929.
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