Guttaviridae

Guttaviridae is a family of viruses. Sulfolobus newzealandicus serve as natural hosts. There are currently only two species in this family, divided among two genera.[1][2] The name is derived from the Latin gutta, meaning 'droplet'.[3][4][5]

Guttaviridae
Virus classification
(unranked): Virus
Realm: incertae sedis
Kingdom: incertae sedis
Phylum: incertae sedis
Class: incertae sedis
Order: incertae sedis
Family: Guttaviridae
Genera

Taxonomy

Group: dsDNA

[2]

Structure

Viruses in the family Guttaviridae are enveloped. The diameter is around 70–95 nm, with a length of 110–185 nm. Genomes are circular, around 20kb in length.[2][3] The virons consist of a coat, a core, a nucleocapsid, and projecting fibers at the pointed end. The surface of the virion has a beehive-like ribbed surface pattern with protrusions that are densely covered by a 'beard' of long fibers at its pointed end. The genome is extremely heavily methylated.

GenusStructureSymmetryCapsidGenomic arrangementGenomic segmentation
BetaguttavirusOvoidEnvelopedCircularMonopartite
AlphaguttavirusOvoidEnvelopedCircularMonopartite

Life cycle

DNA-templated transcription is the method of transcription. Sulfolobus newzealandicus serve as the natural host.[2][3]

GenusHost detailsTissue tropismEntry detailsRelease detailsReplication siteAssembly siteTransmission
BetaguttavirusArchaea: Sulfolobus newzealandicusNoneUnknownUnknownCytoplasmCytoplasmUnknown
AlphaguttavirusArchaea: Sulfolobus newzealandicusNoneUnknownUnknownCytoplasmCytoplasmUnknown
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References
  1. Prangishvili, D; Mochizuki, T; Krupovic, M; ICTV Report Consortium (8 February 2018). "ICTV Virus Taxonomy Profile: Guttaviridae". The Journal of General Virology. doi:10.1099/jgv.0.001027. PMC 5882108. PMID 29458561.
  2. "ICTV Online Report Guttaviridae".
  3. "Viral Zone". ExPASy. Archived from the original on 17 June 2015. Retrieved 15 June 2015.
  4. Mochizuki T, Sako Y, Prangishvili D (2011) Provirus induction in hyperthermophilic Archaea: Characterization of Aeropyrum pernix spindle-shaped virus 1 and Aeropyrum pernix ovoid virus 1. J Bacteriol 193(19):5412–5419
  5. Arnold HP, Ziese U and Zillig W (2000). SNDV, a novel virus of the extremely thermophilic and acidophilic archaeon Sulfolobus. Virology 272:409–16.
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