Viruses are not cellular. Although
they reproduce, they can only do so only by entering a host cell and making
use of its machinery for replication. Viruses are bits of genetic material,
apparently derived from their hosts. Thus, as Margulis & Schwartz (1988)
put it, the polio and flu viruses are probably more closely related to
people, and the tobacco mosaic virus (TMV) to tobacco, than polio and TMV
are to each other.
Double Strand DNA Viruses |
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Head-Tail viruses |
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Herpesvirales |
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Herpesviridae |
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Alphaherpesvirinae Includes:
Simplexvirus, Varicellovirus, Mardivirus, Iltovirus
(infects birds). |
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Betaherpesvirinae Includes:
Cytomegalovirus, Muromegalovirus, Roseolovirus, Proboscivirus |
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Gammaherpesvirinae Includes:
Lymphocryptovirus, Rhadinovirus, Macavirus, Percavirus |
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Alloherpesviridae Members of this
family infect fish and frogs. Includes:
Batrachovirus (infects frogs; includes Ranid herpes virus 1 and Ranid
herpes virus 2, so far not recorded from southern Africa)
, Cyprinivirus (infects carp and
goldfish),
Ictalurivirus (includes Channel catfish virus, so far has not been
recorded in southern Africa), Salmonivirus (infects salmon and trout;
so far not recorded from southern Africa). |
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Malacoherpesviridae Includes:
Ostreavirus |
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Caudovirales |
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Myoviridae
Includes: I3-like viruses, P1-like viruses, P2-like
viruses, PhiH-like viruses, phiKZ-like viruses, Mu-like viruses, SP01-like
viruses, T4-like viruses |
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Siphoviridae
Includes: c2-like viruses, Lambda-like viruses, L5-like
viruses, N15-like viruses, PhiC31-like viruses, PsiM1-like viruses,
SPbeta-like viruses, T1-like viruses, T5-like viruses |
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Podoviridae |
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unplaced Includes:
Bpp1-like viruses, Epsilon15-like viruses, LUZ24-like viruses, N4-like
viruses, P22-like viruses, PhiEco32-like viruses |
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Autographivirinae Includes:
phiKMV-like viruses, SP6-like viruses, T7-like viruses |
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Picovirinae Includes: 44AHJD-like
viruses, Phi29-like viruses |
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Unassigned |
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Ascoviridae
Includes: Ascovirus, Adenoviridae, Atadenovirus,
Aviadenovirus, Ichtadenovirus, Mastadenovirus, Siadenovirus |
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Baculoviridae
Includes: Alphabaculovirus, Betabaculovirus,
Deltabaculovirus, Gammabaculovirus |
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Bicaudaviridae
Includes: Bicaudavirus |
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Corticoviridae
Includes: Corticovirus |
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Fuselloviridae
Includes: Fusellovirus |
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Globuloviridae
Includes: Globulovirus |
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Guttaviridae
Includes: Guttavirus |
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Lipothrixviridae
Includes: Alphalipothryxvirus, Betalipothrixvirus,
Gammalipothrixvirus, Deltalipothrixvirus |
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Nimaviridae
Includes: Whispovirus |
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Papillomaviridae
Includes: Alphapapillomavirus, Betapapillomavirus,
Gammapapillomavirus, Deltapapillomavirus, Epsilonpapillomavirus,
Etapapillomavirus, Iotapapillomavirus, Kappapapillomavirus,
Lambdapapillomavirus, Mupapillomavirus, Nupapillomavirus,
Omikronpapillomavirus, Pipapillomavirus, Thetapapillomavirus,
Xipapillomavirus, Zetapapillomavirus |
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Plasmaviridae
Includes: Plasmavirus |
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Polydnaviridae
Includes: Bracovirus, Ichnovirus |
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Polyomaviridae
Includes: Polyomavirus |
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Rudiviridae
Includes: Rudivirus |
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Tectiviridae
Includes: Tectivirus |
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Family: unassigned
Includes: Ampullavirus, Salterprovirus, Rhizidiovirus,
Sputnik virophage, Nudivirus |
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Nucleo-Cytoplasmic Large DNA |
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Asfarviridae
Includes: Asfivirus |
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Iridoviridae
Includes: Iridovirus, Chloriridovirus,
Lymphocystivirus, Megalocytivirus, Ranavirus |
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Mimiviridae
Includes: Mimivirus |
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Phycodnaviridae
Includes: Chlorovirus, Coccolithovirus, Prasinovirus,
Prymnesiovirus, Phaeovirus, Raphidovirus |
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Poxviridae
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Chordopoxvirinae Includes:
Avipoxvirus, Capripoxvirus, Cervidpoxvirus, Leporipoxvirus,
Molluscipoxvirus, Orthopoxvirus, Parapoxvirus, Suipoxvirus, Yatapoxvirus |
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Entomopoxvirinae Includes:
Alphaentomopoxvirus, Betaentomopoxvirus, Gammaentomopoxvirus |
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Single Strand DNA Viruses |
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Circoviridae
Includes: Circovirus, Gyrovirus |
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Geminiviridae
Includes: Begomovirus, Curtovirus, Mastrevirus,
Topocuvirus |
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Anelloviridae
Includes: Alphatorquevirus, Betatorquevirus,
Gammatorquevirus, Deltatorquevirus, Epsilontorquevirus, Zetatorquevirus,
Etatorquevirus, Thetatorquevirus, Iotatorquevirus |
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Inoviridae
Includes: Inovirus, Plectrovirus |
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Microviridae |
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Microvirinae Includes:
Microvirus |
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Gokushovirinae Includes:
Bdellomicrovirus, Spiromicrovirus, Chlamydiamicrovirus |
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Nanoviridae
Includes: Nanovirus, Babuvirus |
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Parvoviridae |
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Parvovirinae Includes:
Parvovirus Erythrovirus Dependovirus Amdovirus Bocavirus |
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Densovirinae Includes:
Densovirus Iteravirus Brevidensovirus Pefudensovirus |
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Unclassified
Includes: Bombyx mori densovirus-3 |
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Double Strand RNA Viruses |
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Birnaviridae
Includes: Aquabirnavirus, Avibirnavirus, Blosnavirus,
Entomobirnavirus |
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Cystoviridae
Includes: Cystovirus |
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Chrysoviridae
Includes: Chrysovirus |
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Endornaviridae
Includes: Endornavirus |
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Hypoviridae
Includes: Hypovirus |
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Partitiviridae
Includes: Alphacryptovirus, Betacryptovirus,
Cryspovirus, Partitivirus |
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Picobirnaviridae
Includes: Picobirnavirus |
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Reoviridae
Includes: |
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Spinareovirinae Includes:
Aquareovirus, Coltivirus, Cypovirus, Dinovernavirus, Fijivirus,
Idnoreovirus, Mycoreovirus, Orthoreovirus, Oryzavirus |
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Sedoreovirinae Includes:
Cardoreovirus, Orbivirus, Mimoreovirus, Phytoreovirus, Rotavirus,
Seadornavirus |
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Totiviridae
Includes: Giardiavirus, Leishmaniavirus, Totivirus,
Victorivirus |
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Positive Strand RNA Viruses |
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Tymovirales |
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Alphaflexiviridae
Includes: Allexivirus, Botrexvirus, Lolavirus,
Mandarivirus, Potexvirus, Sclerodarnavirus |
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Betaflexiviridae
Includes: Capillovirus, Carlavirus, Citrivirus,
Foveavirus, Trichovirus, Vitivirus |
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Gammaflexiviridae
Includes: Mycoflexivirus |
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Tymoviridae
Includes: Maculavirus, Marafivirus, Tymovirus |
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Nidovirales |
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Arteriviridae
Includes: Arterivirus |
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Coronaviridae |
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Coronavirinae Includes:
Alphacoronavirus, Betacoronavirus, Gammacoronavirus |
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Torovirinae Includes:
Bafinivirus, Torovirus |
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Roniviridae
Includes: Okavirus |
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Picornavirales |
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Dicistroviridae
Includes: Cripavirus |
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Iflaviridae
Includes: Iflavirus |
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Marnaviridae
Includes: Marnavirus |
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Picornaviridae
Includes: Aphthovirus Avihepatovirus Cardiovirus
Enterovirus Erbovirus Hepatovirus Kobuvirus Parechovirus Sapelovirus
Senecavirus Teschovirus Tremovirus |
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Secoviridae
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Unassigned Includes: Cheravirus,
Sadwavirus, Sequivirus, Torradovirus, Waikivirus |
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Comovirinae Includes:
Comovirus, Fabavirus, Nepovirus |
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Unassigned |
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Astroviridae
Includes: Avastrovirus, Mamastrovirus |
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Barnaviridae
Includes: Barnavirus |
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Bromoviridae
Includes: Alfamovirus, Anulavirus, Bromovirus,
Cucumovirus, Ilarvirus, Oleavirus |
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Caliciviridae
Includes: Lagovirus, Nebovirus, Norovirus, Sapovirus,
Vesivirus |
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Closteroviridae
Includes: Ampelovirus, Closterovirus, Crinivirus |
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Flaviviridae
Includes: Flavivirus, Hepacivirus, Pestivirus |
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Hepeviridae
Includes: Hepevirus |
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Leviviridae
Includes: Allolevivirus, Levivirus |
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Luteoviridae
Includes: Enamovirus, Luteovirus, Polerovirus |
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Narnaviridae
Includes: Narnavirus, Mitovirus |
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Nodaviridae
Includes: Alphanodavirus, Betanodavirus |
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Potyviridae
Includes: Brambyvirus, Bymovirus, Ipomovirus,
Macluravirus, Potyvirus, Rymovirus, Tritimovirus |
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Tetraviridae
Includes: Betatetravirus, Omegatetravirus |
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Togaviridae
Includes: Alphavirus, Rubivirus |
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Tombusviridae
Includes: Aureusvirus, Avenavirus, Carmovirus,
Dianthovirus, Machlomovirus, Necrovirus, Panicovirus, Tombusvirus |
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Virgaviridae
Includes: Furovirus, Hordeivirus, Pecluvirus,
Pomovirus, Tobamovirus, Tobravirus |
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Unassigned
Includes: Benyvirus, Cilevirus, Idaeovirus,
Ourmiavirus, Polemovirus, Sobemovirus, Umbravirus |
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Negative Strand RNA Viruses |
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Mononegavirales |
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Bornaviridae
Includes: Bornavirus |
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Rhabdoviridae
Includes: Cytorhabdovirus, Ephemerovirus, Lyssavirus
(rabies),
Novirhabdovirus, Nucleorhabdovirus, Vesiculovirus |
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Filoviridae
Includes: Ebolavirus, Marburgvirus |
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Paramyxoviridae (paramyxoviruses)
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Paramyxovirinae Includes:
Avulavirus (infects birds and includes
Newcastle disease virus), Henipavirus, Morbillivirus, Respirovirus
(parainfluenza viruses affecting animals including humans),
Rubulavirus |
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Pneumovirinae Includes:
Metapneumovirus, Pneumovirus |
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Unassigned |
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Arenaviridae
Includes: Arenavirus |
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Bunyaviridae
Includes: Hantavirus, Nairovirus, Orthobunyavirus,
Phlebovirus, Tospovirus |
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Ophioviridae
Includes: Ophiovirus |
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Orthomyxoviridae (influenza viruses)
Includes: Influenzavirus A (one species:
Influenza A virus, which has a wide
range of subtypes and strains and which infects a wide range of hosts
including birds, pigs, horses, people, seals, whales, mink and cats),
Influenzavirus B (, Influenzavirus C, Thogotovirus, Isavirus |
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Unassigned
Includes: Deltavirus, Emaravirus, Tenuivirus,
Varicosavirus |
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RNA Reverse Transcribing Viruses |
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Unassigned |
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Retroviridae
Includes: Unclassified retroviridae |
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Orthoretrovirinae Includes:
Alpharetrovirus, Betaretrovirus, Gammaretrovirus, Deltaretrovirus
(including HTLV-1, HTLV-2, HTLV-3), Epsilonretrovirus,
Lentivirus (including HIV-1, HIV-2) |
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Spumaretrovirinae Includes:
Spumavirus |
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Retrotransposons |
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Pseudoviridae
Includes: Pseudovirus, Hemivirus, Sirevirus |
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Metaviridae
Includes: Metavirus, Errantivirus, Semotivirus |
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DNA Reverse Transcribing Viruses |
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Caulimoviridae
Includes: Caulimovirus, Badnavirus, Cavemovirus,
Petuvirus, Soymovirus, Tungrovirus |
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Hepadnaviridae
Includes: Orthohepadnavirus, Avihepadnavirus |
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