Family: Saparoviridae (Interim Report)

This is a summary page created by the ICTV Report Editors using information from associated Taxonomic Proposals and the Master Species List.

Edited by: Mart Krupovic
Posted: October 2023, updated 2024

Summary

The family Saparoviridae includes dsDNA viruses infecting hyperhalophilic archaea of Haloarcula sp. (Table 1 Saparoviridae).The family Saparoviridae was established in 2022 (Master Species List 37).

Table 1 Saparoviridae. Characteristics of members of the family Saparoviridae.

CharacteristicDescription
ExampleHaloarcula californiae tailed virus 2 (KC292028), species Samsavirus crystalli, genus Samsavirus
VirionIcosahedral capsid with non-contractile helical tail (siphovirus-like morphology)
GenomeLinear, dsDNA genome of 52–54 kbp, circularly permuted (Figure 1 Saparoviridae)
Host rangeHyperhalophilic archaea of Haloarcula sp
TaxonomyRealm Duplodnaviria, kingdom Heunggongvirae, phylum Uroviricota, class Caudoviricetes: 2 genera and 2 species (Figure 2 Saparoviridae)
Saparoviridae genome
Figure 1 Saparoviridae. Genome organisation of Haloarcula californiae tailed virus 2, a member of the family Saparoviridae. Boxes indicate open reading frames as annotated on GenBank accession KC292028.
Saparaoviridae taxonomy
Figure 2 Saparoviridae. Relationships of the taxa connected to the family Saparoviridae.

Derivation of name

Saparoviridae: From Finnish saparo, meaning pig tail