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28 Cards in this Set

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DNA viral genome:

ssDNA or dsDNA

exception
dsDNA

parvovirus (ssDNA)
DNA viral genome:

linear or circular

exceptions (2)
linear

papovaviruses (circular, supercoiled)
hepadnaviruses (circular, incomplete)
RNA viral genome:

ssRNA or dsRNA

exception
ssRNA

reovirus (dsRNA)
viruses that are infectious when nakes
- ssDNA or dsDNA viruses; exceptions (2)
- ssRNA or dsRNA viruses
dsDNA (exceptions: poxvirus - carries DNA-dependent RNA polymerase on envelope and HBV)

(+)ssRNA

(viral nucleic acids with same structure as host nucleic acids [dsDNA and mRNA] are infective without an envelope)
naked RNA viruses (3)
Calicivirus
Picornavirus
Reovirus

(naked CPR)
enveloped viruses acquire their envelope from the

exception
plasma membrane

herpesviruses - acquire envelope from nuclear membrane
only diploid virus
retroviruses (have 2 identical ssRNA molceules = diploid)
DNA viruses replicate in the

exception and reason why
nucleus

poxvirus (carries own DNA-dependent RNA polymerase)
RNA viruses replicate in the

exceptions (2)
cytoplasm

influenza virus
retroviruses (incorporate viral DNA into host DNA)
only DNA virus that is not icosahedral
poxvirus (complex)
DNA virus families (6)
Hepadnavirus
Herpesviruses
Adenovirus
Parvovirus
Papovavirus
Poxvirus

(DNA viruses are HHAPPPy viruses)
enveloped DNA viruses
Hepadnavirus
Poxvirus (DNA-dependent RNA polymerase contained within envelope)
Herpesviruses

(HPH)
naked DNA viruses
Parvovirus
Adenovirus
Papovavirus

(need to be naked for a PAP smear)
smallest DNA virus
parvovirus
largest DNA virus
poxvirus
HBV:
member of
possesses a
hepadnavirus

reverse transcriptase
herpesviruses (7)
HSV-1
HSV-2
VZV
EBV
CMV
HHV-6
HHV-8
herpesvirus that causes keratoconjunctivitis
HSV-1
herpesvirus that causes infection in transplant patients
CMV
herpesvirus that causes congenital defects
CMV
roseola caused by
HHV-6
Kaposi's sarcoma caused by

also known as
HHV-8

Kaposi's sarcoma-associated herpesvirus (KSHV)
adenovirus causes (3)
febrile pharyngitis (sore throat)
conjunctivitis ("pink eye")
pneumonia
parvovirus B19 causes (3)
aplastic crises in SCD pts.
hydrops fetalis
fifth disease
clinical findings of fifth disease (2)
"slapped cheeks"
erythema infectiosum (lacey pattern)
papovaviruses (2)
HPV
JC virus
JC viruses causes _______ in HIV pts.
PML
poxviruses (3)
Smallpox
Vaccinia = cowpox
Molluscum contagiosum