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