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45 Cards in this Set

  • Front
  • Back
what is a virus?
it's small and has absolutely nothing it in except for an infectious nucleic genome
what is virion?
infectious particile
what is a capsid?
coat, protein shell surrounding the nucleic acid genome
what is a nucleocapsid?
protein/nucleic acid core of virion
what is an envelope?
lipid bilayer carrying viral glycoproteins and surrounding the genome
what is a matrix protein?
on inner layer of envelope providing rigidity to membrane
what is a glycoprotein?
external envelope receptor
name the layers of an enveloped virus from innermost to outermost.
genome, protein core, capsid, matrix proteins, envelope, and glycoprotein
what does a naked virus consist of?
genome, protein core and a capsid
how many strands are usually associated with DNA viruses? what is the exception?
2; parvoviruses
How many strands are usually associated with RNA viruses? what is the exception?
1; reoviruses
which strand codes, positive or negative?
positive
what are the four groups of human viruses based on transmission route?
enteric, respiratory, zoonotic and sexually transmitted
what are the common viruses transmitted via the four groups of viruses determined by route of transmission? (IE fecal-oral route group, etc)
enteric= enteroviruses and rotaviruses;
respiratory= influenza, measles, rhinoviruses;
zoonotic= sandfly fever, dengue, rabies, cowpox
sexually transmitted= HSV-2 and HIV
what is an isolate virus?
a virus cultured from an individual that is unique and distinct in sequence from other related viruses.
what is a serotype?
a virus of group of viruses that are distingished based on the ability of an antibody to recognize a component of the exteral virion.
what are the human relevant viruses associated with Reoviridae? (3)
Rotavirus (diarrhea), Colorado tick Fever Virus and Reovirus
what are the 12 rna virus Families?
Reoviridae, Caliciviridae, Picoruaviridae, Flaviviridae, Togaviridae, retroviridae, corona viridae, rhabdoviridae, bunyaviridae, orthmoyxoviridae, paramyxoviridae and arenaviridae.
what are the human relevant viruses associated with Calciviridae? (2)
Norwalk agent/ noroviruses
Hep E viruses
what are the human relevant viruses associated with Picoruaviridae? (6)
poliovirus, rhinovirus, coxsackievirus, enterovirus, echovirus, Hep A
what are the human relevant viruses associated with Flaviviridae? (4)
yellow fever, hep C, dengue virus, Hep G
what are the human relevant viruses associated with Togaviridae? (3)
Rubella, Eastern and western Equine encephalitis virus
what are the human relevant viruses associated with Retroviridae? (4)
HIV I, HIV II, HTLV I, HTLV II
what are the human relevant viruses associated with Corona Viridiae? (2)
SARS coronavirus, Human coronavirus
what are the human relevant viruses associated with Rhabdoviridae? (2)
Rabies virus and vesicular stomatitis virus
what are the human relevant viruses associated with Bunyaviridae? (3)
Hantavirus, calfironia encephalitis virus, sandfly fever virus
what are the human relevant viruses associated with Paramyxoviridae? (7)
parainfluenza, respiratory syncytial virus, newcastle disease, mumps and measles.
what are the human relevant viruses associated with Orthomyxoviridae? (3)
Influenza A, B, C
what are the human relevant viruses associated with Arenaviridae? (3)
lymphocytic chonomeningities, lasson fever, s. american hemorrhagic fever
what 9 rna viruses are enveloped?
flaviviridae, togaviridae, retroviridae, corona viridae, rhabdoviridae, bunyaviridae, orthomyxoviridae, paramyxoviridae, arenaviridae
what 3 rna viruses are naked?
reoviridae, caliciviridae, picornaviridae
what 5 rna viruses are negative?
Rhabdoviridae, bunyaviridae, orthomyxoviridae, paramyxoviridae, and arenaviridae
what 6 rna viruses are positive?
caliciviridae, picornaviridae, flaviridae, togaviridae, retroviridae, corona viridae
what 2 rna viruses have segments? how many?
orthomyxoviridae - 8; arenaviridae- 2
what are the six DNA viruses?
parvoviridae, papovaviridae, adenoviridae, hepadnaviridae, hepes viridae, and poxviridae.
what is the only DNA viruses that can be either positive or negative?
parvoviridae
what are the human relevant viruses associated with parvoviridae? (1)
parvovirus
what is parvovirus associated with?
anemia
what are the human relevant viruses associated with papvaviridae? (3)
Human papaloma virus, JC virus, and BK virus
what are the human relevant viruses associated with adeoviridae? (1)
human adenoviruses
what are the human relevant viruses associated with Hepadnaviridae? (1)
Hep B
what are the human relevant viruses associated with Herpes Viridae? (8)
HSV 1, HSV 2, Varicella Zoster, Epstein-Barr, cytomegalovirus, human Hepres virus 6-8
what are the human relevant viruses associated with Poxviridsae? (3)
Vanola virus (small pox), orf virus, molluscum contagiosum virus
what two DNA viruses are enveloped? three naked?
herpes viridae, and poxviridae; adenoviridae, parvoviridae and papovaviridae
which DNA virus has a gapped circle?
hepadnaviridae