ICTV Report

Family: Ungulaviridae (interim)

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: April 2023

Summary

The family Ungulaviridae includes dsDNA viruses infecting hyperthermophilic archaea of the genus Acidianus (Table 1.Ungulaviridae). The family was assigned to the realm Adnaviria in 2022 (Master Species List 37).

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

Characteristic

Description

Example

Acidianus filamentous virus 1 (AJ567472), species Captovirus AFV1, genus Captovirus

Virion

Filamentous, flexible enveloped particle consisting of a nucleoprotein core with heterodimeric major capsid proteins, terminal claw-like structures

Genome

Linear, double-stranded DNA genome of 20 kbp

Host range

Hyperthermophilic archaea of the genus Acidianus

Taxonomy

Realm Adnaviria, kingdom Zilligvirae, phylum Taleaviricota, class Tokiviricetes, order Ligamenvirales: 1 genus and 1 species
Ungulaviridae genome

Figure 1.Ungulaviridae. Genome organisation of a member of the family Ungulaviridae. Boxes indicate open reading frames as annotated on GenBank accession AJ567472.
Ungulaviridae taxonomy

Figure 2.Ungulaviridae. Relationships of the taxa connected to the family Ungulaviridae.

Derivation of name

Ungulaviridae: from the Latin ungula, meaning "claw".