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25 Cards in this Set
- Front
- Back
|
general properties of viruses
|
filterable (<.2 um)
obligate intracellular parasites absent metabolism composed of DNA or RNA plus a protein coat propagation totally dependent on host cell machinery |
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|
how are viruses classified?
|
type of nucleic acid
structure size host/tissue symptomology immunological "serotyping" |
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|
Adenoviruses
classification |
nonenveloped
polyhedral ds DNA (infect vertebrates) |
|
|
Adenoviruses
are responsible for |
upper respiratory infections
|
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|
Papovaviruses
classification |
nonenveloped
polyhedral ds DNA (infect vertebrates) |
|
|
Papovaviruses
are responsible for |
Shope's papilloma
human warts |
|
|
Herpesviruses
classification |
enveloped
polyhedral ds DNA |
|
|
Herpes simplex
are responsible for |
cold sores & fever blisters (type I)
genital herpes (type II) |
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Herpes zoster
are responsible for |
shingles in middle age
|
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Poxviruses
classification |
enveloped
complex ds DNA |
|
|
Poxviruses
are responsible for |
Variola (small pox)
[very large size] |
|
|
Picornaviruses
classification |
non enveloped
polyhedral ss RNA [smallest RNA viruses known] |
|
|
Picornaviruses
are responsible for |
Poliovirus
Rhinoviruses (common cold) Hepatitis |
|
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Parvoviruses
classification |
non envelope
polyhedral ss DNA |
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Parvoviruses
are responsible for |
infective to animals, rat, hamsters, mice
|
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Togaviruses
classification |
enveloped
polyhedral ss RNA |
|
|
Togaviruses
are responsible for |
Rubella (German measles)
others transmitted by athropods |
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Retrovirus
classification |
enveloped
polyhedral ss RNA |
|
|
Retroviruses
are responsible for |
RNA tumor viruses, leukemia, etc cancers
HIV (AIDs) |
|
|
paramyxovirus
classification |
enveloped
helical ss RNA |
|
|
paramyxoviruses
are responsible for |
Rubeola (measles) and mumps
|
|
|
orthomyxoviruses
are responsible for |
influenza
|
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|
orthomyxoviruses
classification |
enveloped
helical ss RNA |
|
|
rhabdoviruses
classification |
enveloped
helical ss RNA |
|
|
rhabdovirses
are responsible for |
rabies
|
