Viral Biorealm: Difference between revisions
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<center><font size="+2" color="#6300C6">Virus Classification: The Baltimore System</font></center> | <center><font size="+2" color="#6300C6">Virus Classification: The Baltimore System</font></center> | ||
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== Group I. Double-stranded DNA viruses == | ==Group I. Double-stranded DNA viruses== | ||
Replicate using host or viral DNA polymerase. | Replicate using host or viral DNA polymerase. | ||
'''Non-enveloped bacteriophages:''' | |||
:[[Myoviridae]] | |||
:[[Siphoviridae]] | |||
:[[Tectiviridae]] | |||
'''Non-enveloped animal viruses:''' | |||
:[[Adenoviridae]] | |||
:[[Papovaviridae]] | |||
:[[Phycodnaviridae]] | |||
:[[Iridoviridae]] | |||
'''Enveloped animal viruses:''' | |||
:[[Herpesviridae]] | |||
:[[Poxviridae]] | |||
:[[Baculoviridae]] | |||
== Group II. Single-stranded DNA == | ==Group II. Single-stranded DNA== | ||
Genome consists of (+) sense DNA. Requires a host DNA polymerase to generate the complementary strand. Non-enveloped. | Genome consists of (+) sense DNA. Requires a host DNA polymerase to generate the complementary strand. Non-enveloped. | ||
'''Non-enveloped bacteriophages:''' | |||
:[[Inoviridae]] | |||
'''Archaeal virus:''' | |||
:[[Fusellovirus]] | |||
'''Non-enveloped animal viruses:''' | |||
:[[Parvoviridae]] | |||
:[[Circoviridae]] | |||
'''Non-enveloped plant viruses:''' | |||
:[[Geminiviridae]] | |||
== Group III. Double-stranded RNA == | ==Group III. Double-stranded RNA== | ||
Requires viral RNA-dependent RNA polymerase; usually packages the polymerase before exiting host cell. | Requires viral RNA-dependent RNA polymerase; usually packages the polymerase before exiting host cell. | ||
'''Non-segmented, enveloped, bacteriophage:''' | |||
:[[Cystoviridae]] | |||
'''Segmented, non-enveloped, animal and plant hosts:''' | |||
:[[Reoviridae]] | |||
::''[[Orthoreovirus]]'' | |||
::''[[Rotavirus]]'' | |||
:[[Birnaviridae]] | |||
:[[Varicosaviridae]] | |||
== Group IV. (+) Sense single-stranded RNA viruses == | ==Group IV. (+) Sense single-stranded RNA viruses== | ||
Require viral RNA-dependent RNA polymerase to generate (-) template for progeny (+) genome. Usually non-segmented. | Require viral RNA-dependent RNA polymerase to generate (-) template for progeny (+) genome. Usually non-segmented. | ||
'''Non-enveloped bacteriophages:''' | |||
:[[Leviviridae]] | |||
'''Non-enveloped animal and plant viruses:''' | |||
:[[Bromoviridae]] | |||
:[[Picornaviridae]] | |||
::''[[Apthovirus]]'' | |||
::''[[Enterovirus]]'' | |||
::''[[Hepatovirus]]'' | |||
::''[[Rhinovirus]]'' | |||
:[[Tobamoviridae]] | |||
:[[Potyviridae]] | |||
'''Enveloped animal and plant viruses:''' | |||
:[[Coronaviridae]] | |||
:[[Flaviviridae]] | |||
::''[[Hepacivirus]]'' | |||
:[[Togaviridae]] | |||
== Group V. (-) Sense single-stranded RNA viruses == | ==Group V. (-) Sense single-stranded RNA viruses== | ||
Require viral RNA-dependent RNA transcriptase. | Require viral RNA-dependent RNA transcriptase. | ||
'''Segmented, enveloped:''' | |||
:[[Orthomyxoviridae]] | |||
'''Nonsegmented, enveloped:''' | |||
:[[Filoviridae]] | |||
:[[Rhabdoviridae]] | |||
:[[Paramyxoviridae]] | |||
'''Segmented (+/-) strand enveloped:''' | |||
:[[Arenaviridae]] | |||
:[[Bunyaviridae]] | |||
::''[[Hantavirus]]'' | |||
== Group VI. RNA Reverse Transcribing Viruses (Retroviruses) == | ==Group VI. RNA Reverse Transcribing Viruses (Retroviruses)== | ||
Require viral reverse transcriptase to generate DNA copy for integration into host chromosome. Package transcriptase before exiting host cell. | Require viral reverse transcriptase to generate DNA copy for integration into host chromosome. Package transcriptase before exiting host cell. | ||
:[[Retroviridae]] | :[[Retroviridae]] | ||
::''Lentivirus'' | |||
:::''[[Human Immunodeficiency Virus]]'' | |||
== Group VII. DNA Reverse Transcribing Viruses (Pararetroviruses) == | ==Group VII. DNA Reverse Transcribing Viruses (Pararetroviruses)== | ||
DNA is transcribed to RNA intermediate; reverse-transcribed to DNA. Infects plant cells, which have cytoplasmic reverse transcriptase; or package a viral reverse transcriptase. | DNA is transcribed to RNA intermediate; reverse-transcribed to DNA. Infects plant cells, which have cytoplasmic reverse transcriptase; or package a viral reverse transcriptase. | ||
'''Non-enveloped plant viruses:''' | |||
: [[Caulimoviridae]] | |||
: [[Badnaviridae]] | |||
'''Enveloped animal viruses:''' | |||
: [[Hepadnaviridae]] | |||
Revision as of 17:51, 13 June 2006
Student Editors:
Molly Schlemmer '08, Shrochis Karki '09, Daniel Barich '05, Ryotaro Tashiro '09
Note: Only about 30% of the viruses below have pages. New contributions are welcome!
Group I. Double-stranded DNA viruses
Replicate using host or viral DNA polymerase.
Non-enveloped bacteriophages:
Non-enveloped animal viruses:
Enveloped animal viruses:
Group II. Single-stranded DNA
Genome consists of (+) sense DNA. Requires a host DNA polymerase to generate the complementary strand. Non-enveloped.
Non-enveloped bacteriophages:
Archaeal virus:
Non-enveloped animal viruses:
Non-enveloped plant viruses:
Group III. Double-stranded RNA
Requires viral RNA-dependent RNA polymerase; usually packages the polymerase before exiting host cell.
Non-segmented, enveloped, bacteriophage:
Segmented, non-enveloped, animal and plant hosts:
Group IV. (+) Sense single-stranded RNA viruses
Require viral RNA-dependent RNA polymerase to generate (-) template for progeny (+) genome. Usually non-segmented.
Non-enveloped bacteriophages:
Non-enveloped animal and plant viruses:
Enveloped animal and plant viruses:
Group V. (-) Sense single-stranded RNA viruses
Require viral RNA-dependent RNA transcriptase.
Segmented, enveloped:
Nonsegmented, enveloped:
Segmented (+/-) strand enveloped:
Group VI. RNA Reverse Transcribing Viruses (Retroviruses)
Require viral reverse transcriptase to generate DNA copy for integration into host chromosome. Package transcriptase before exiting host cell.
- Retroviridae
- Lentivirus
Group VII. DNA Reverse Transcribing Viruses (Pararetroviruses)
DNA is transcribed to RNA intermediate; reverse-transcribed to DNA. Infects plant cells, which have cytoplasmic reverse transcriptase; or package a viral reverse transcriptase.
Non-enveloped plant viruses:
Enveloped animal viruses:
