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DNA virus

A DNA virus is a virus that has DNA as its genetic material and replicates using a DNA-dependent DNA polymerase. The nucleic acid is usually double-stranded DNA (dsDNA) but may also be single-stranded DNA (ssDNA). DNA viruses belong to either Group I or Group II of the Baltimore classification system for viruses. Single-stranded DNA is usually expanded to double-stranded in infected cells. Although Group VII viruses such as hepatitis B contain a DNA genome, they are not considered DNA viruses according to the Baltimore classification, but rather reverse transcribing viruses because they replicate through an RNA intermediate.

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Group I - dsDNA viruses

Order Caudovirales
- Family Myoviridae - includes Enterobacteria phage T4
- Family Podoviridae
- Family Siphoviridae - includes Enterobacteria phage λ
Unassigned families
- Family Ascoviridae
- Family Adenoviridae
- Family Asfarviridae - includes African swine fever virus
- Family Baculoviridae
- Family Coccolithoviridae
- Family Corticoviridae
- Family Fuselloviridae
- Family Guttaviridae
- Family Herpesviridae - includes human herpesviruses, Varicella Zoster virus
- Family Iridoviridae
- Family Lipothrixviridae
- Family Nimaviridae
- Family Papillomaviridae
- Family Phycodnaviridae
- Family Plasmaviridae
- Family Polyomaviridae - includes Simian virus 40, JC virus
- Family Poxviridae - includes Cowpox virus, smallpox
- Family Rudiviridae
- Family Tectiviridae
Unassigned genera
- Mimivirus

Group II - ssDNA viruses

Unassigned bacteriophage families
- Family Inoviridae
- Family Microviridae
Unassigned families
- Family Geminiviridae
- Family Circoviridae
- Family Nanoviridae
- Family Parvoviridae - includes Parvovirus B19
Unassigned genera
- Anellovirus

References

""ICTVdb Index of Viruses: Virus Taxonomy, 8th Reports of the International Committee on Taxonomy of Viruses: Listing in Taxonomic Order." (Website). U.S. National Center for Biotechnology Information, National Library for Medicine, National Institutes of Health. Retrieved on 2007-09-28.

Category: DNA