Family: Hafunaviridae (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


The family Hafunaviridae includes dsDNA viruses infecting hyperhalophilic archaea of the order Haloferacales (Table 1.Hafunaviridae). The family was established in 2022 (MSL37).

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

ExampleHalovirus HF1 (AY190604), species Haloferacalesvirus HF1, genus Haloferacalesvirus
VirionIcosahedral head, contractile tail (myovirus-like morphology)
GenomeLinear, dsDNA genome of 56–78 kbp, terminal repeats
Host rangeHyperhalophilic archaea of the order Haloferacales
TaxonomyRealm Duplodnaviria, kingdom Heunggongvirae, phylum Uroviricota, class Caudoviricetes, order Thumleimavirales: 4 genera and 10 species
Hafunaviridae genome
Figure 1.Hafunaviridae. Genome organisation of Halophage HF1, a member of the family Hafunaviridae. Boxes indicate open reading frames as annotated on GenBank accession AY190604.
Hafunaviridae taxonomy
Figure 2.Hafunaviridae. Relationships of the taxa connected to the family Hafunaviridae.

Derivation of name

Hafunaviridae: After HF1 virus, the first representative of the family