Virus classification
Group: Group I (dsDNA)
Family: Guttaviridae

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


Group: dsDNA



Viruses in Guttaviridae are enveloped. The diameter is around 70-95 nm, with a length of 110-185 nm. Genomes are circular, around 20kb in length.[1] 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.

Genus Structure Symmetry Capsid Genomic Arrangement Genomic Segmentation

Life Cycle

DNA-templated transcription is the method of transcription. Sulfolobus newzealandicus serve as the natural host.[1]

Genus Host Details Tissue Tropism Entry Details Release Details Replication Site Assembly Site Transmission
BetaguttavirusArchaea: Sulfolobus newzealandicusNoneUnknownUnknownCytoplasmCytoplasmUnknown
AlphaguttavirusArchaea: Sulfolobus newzealandicusNoneUnknownUnknownCytoplasmCytoplasmUnknown


  1. 1 2 3 "Viral Zone". ExPASy. Retrieved 15 June 2015.
  2. 1 2 ICTV. "Virus Taxonomy: 2014 Release". Retrieved 15 June 2015.
  3. 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
  4. 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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