Virus classification
Group: Group I (dsDNA)
Family: Turriviridae
Genus: Alphaturrivirus
Type species
Sulfolobus turreted icosahedral virus 1

Turriviridae is a family of viruses; it contains only one genus, Alphaturrivirus. The archaea Sulfolobus solfataricus serve as natural hosts. There are currently only two species in the genus Alphaturrivirus.[1][2]


Viruses in Turriviridae have icosahedral geometries, and T=31 symmetry. The diameter is around 74 nm. Genomes are linear.[1]

Genus Structure Symmetry Capsid Genomic Arrangement Genomic Segmentation

Life Cycle

Viral replication is cytoplasmic. Entry into the host cell is achieved by adsorption into the host cell. DNA-templated transcription is the method of transcription. Sulfolobus solfataricus serves as the natural host. Transmission routes are passive diffusion.[1]

Genus Host Details Tissue Tropism Entry Details Release Details Replication Site Assembly Site Transmission
AlphaturrivirusSulfolobus solfataricusNoneInjectionBuddingCytoplasmCytoplasmPassive Diffusion


  1. 1 2 3 "Viral Zone". ExPASy. Retrieved 13 August 2015.
  2. ICTV. "Virus Taxonomy: 2014 Release". Retrieved 13 August 2015.
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