Book: Madisaviridae
Family: Madisaviridae (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: April 2023, updated December 2024
Summary
The family Madisaviridae includes lytic double-stranded DNA viruses that infect the hyperhalophilic archaeon Haloarcula hispanica (Table 1.Madisaviridae). The family Madisaviridae was established in 2022 (Master Species List 37).
Table 1.Madisaviridae. Characteristics of members of the family Madisaviridae.
| Characteristic | Description |
| Example | Haloarcula hispanica tailed virus 1 (KC292025), species Clampvirus italiense, genus Clampvirus |
| Virion | Icosahedral capsid and a non-contractile helical tail (siphoviral morphology) |
| Genome | Linear, dsDNA genome of 49 kbp, circularly permuted (Figure 1 Madisaviridae) |
| Host range | hyperhalophilic archaea of the species Haloarcula hispanica |
| Taxonomy | Realm Duplodnaviria, kingdom Heunggongvirae, phylum Uroviricota, class Caudoviricetes: 1 genus and 1 species (Figure 2 Madisaviridae) |
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| Figure 1 Madisaviridae. Genome organisation of Haloarcula hispanica tailed virus 1, a member of the family Madisaviridae. Boxes indicate open reading frames as annotated on GenBank accession KC292025. |
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| Figure 2 Madisaviridae. Taxonomy of the family Madisaviridae. |
Derivation of name
Madisaviridae: truncation of Margherita di Savoia – the place of virus isolation.