DNA viruses Flashcards
Purified nucleic acids of most dsDNA are infectious except
Poxviruses and HBV
All enveloped viruses acquire their envelope from plasma membrane Except
Herpes viruses(nuclear membrane)
All viruses are haploid except
Retroviruses
Reduce expression of antigen presenting cells and inactivate complement
Virokines
Gold standard for viral diagnosis
Presence of viral DNA or RNA
Only live attenuated vaccine that may be given to HIV patients
MMR
All DNA viruses have double stranded DNA except
Parvovirus
All DNA viruses have linear DNA except
Papilloma, polyoma, hepadna
All DNA viruses are icosahedral except
Poxvirus
All DNA viruses replicate in the nucleus except
Poxvirus
Fifth disease
Parvovirus B19
Slapped cheeks
Fifth disease- erythema infectiousun- parvovirus
Aplastic crisis
Parvovirus B19
Hydrops fetalis
Parvovirus B19
Chronic B19 infection
Pancytopenia
Only virus with fiber
Adenovirus
Cowdry type B intranuclear inclusions
Adenovirus
Koilocytes
HPV- cytoplasmic vacuoles
Encode proteins that inactivate tumor suppressor genes
Genes E6 and E7
HPV that causes skin and plantar warts
1 and 4
Most common viral STD
Condylomata acuminata