DNA virus

From Wikipedia, the free encyclopedia

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.

1 Recent taxonomic proposals by the Herpesviridae Study Group
2 Group I - dsDNA viruses
3 Group II - ssDNA viruses
4 See also
- 4.1 Viruses templates
5 References

[edit] Recent taxonomic proposals by the Herpesviridae Study Group

Herpes viruses are double stranded DNA viruses assigned to Group I. The Herpesviridae Study Group has proposed that herpes viruses be assigned to a newly defined order, Herpesvirales. They also propose that the currently unassigned family Herpesviridae be reassigned to the new herpes order. In addition, they propose that the families Alloherpesviridae and Malacoherpesviridae also be assigned to the new order. ^[1]

[edit] Group I - dsDNA viruses

Order Caudovirales
- Family Myoviridae - includes Enterobacteria phage T4
- Family Podoviridae
- Family Siphoviridae - includes Enterobacteria phage λ
Order Herpesviridae
- Family Alloherpesviridae
- Family Herpesviridae - includes human herpesviruses, Varicella Zoster virus
- Family Malacoherpesviridae
Unassigned families
- Family Ascoviridae
- Family Adenoviridae
- Family Asfarviridae - includes African swine fever virus
- Family Baculoviridae
- Family Coccolithoviridae
- Family Corticoviridae
- Family Fuselloviridae
- Family Guttaviridae
- 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

[edit] 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

[edit] See also

[edit] Viruses templates

v • d • e Baltimore (virus classification)

I: dsDNA viruses	Adenovirus, Herpesvirus, Poxvirus

II: ssDNA viruses	Parvovirus

III: dsRNA viruses	Reovirus

V: (-)ssRNA viruses	Orthomyxovirus, Rhabdovirus

VI: ssRNA-RT viruses	Retrovirus

VII: dsDNA-RT viruses	Hepadnavirus

v • d • e Viral diseases (A80-B34, 042-079)

Viral infections of the CNS	Poliomyelitis (Post-polio syndrome) - Subacute sclerosing panencephalitis - Progressive multifocal leukoencephalopathy - Rabies - Encephalitis lethargica - Lymphocytic choriomeningitis - Tick-borne meningoencephalitis - Tropical spastic paraparesis

Arthropod-borne viral fevers and viral haemorrhagic fevers	Mosquito (Dengue fever - Chikungunya - Rift Valley fever - Yellow fever - O'nyong'nyong - West Nile - Japanese Encephalitis - St. Louis Encephalitis - Murray Valley encephalitis - Ross River) Tick (Crimean-Congo hemorrhagic fever - Omsk hemorrhagic fever - Kyasanur forest disease - Alkurma - Powassan)

Zoonotic viruses (Vector)	Menangle - Nipah - BDV Rat (Lassa fever - Venezuelan hemorrhagic fever - Junin - Argentine hemorrhagic fever - Bolivian hemorrhagic fever - Puumala - Andes - Sin Nombre - Haantan) Bat (Australian bat lyssavirus - Ebola - Marburg hemorrhagic fever - Mokola - Duvenhage)

Viral infections characterized by skin and mucous membrane lesions	Herpes simplex - Chickenpox - Herpes zoster - Smallpox - Monkeypox - Measles - Rubella - Cowpox - Vaccinia - Molluscum contagiosum - Roseola - Fifth disease - Hand, foot and mouth disease - Foot-and-mouth disease - KSHV - Wart

Viral hepatitis	Hepatitis A - Hepatitis B - Hepatitis C - Hepatitis D - Hepatitis E - Hepatitis G

Viral infections of the respiratory system	Avian influenza - Acute viral nasopharyngitis - Infectious mononucleosis - Influenza - Severe acute respiratory syndrome - Viral pneumonia - Human parainfluenza viruses - RSV - hMPV

Sexually transmitted	HIV (AIDS, AIDS dementia complex) - HPV (Genital warts, Cervical cancer) - Adult T-cell leukemia

Viral gastroenteritis	Rotavirus - Norovirus - Astrovirus - Coronavirus - Adenovirus

Viruses and cancers	HTLV (induces leukemia) - VSV (oncolytic)

Other viral diseases	Cytomegalovirus - Mumps - Bornholm disease