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10 Cards in this Set
- Front
- Back
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Rapid test to detect H. pylori:
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urease
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E. coli toxin that is cholera-like, increases adenylate cyclase/cAMP via ADP ribosyl transferase activity that stimulates Gs
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Heat Labile (HT) toxin
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E. coli toxin that activates guanlyate cyclase/cGMP, hypersecretion of Cl
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Heat Stable (ST) toxin
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Antigens of Enteric bacteria:
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Exotoxins (O antigen). Capsule (K antigen), flagella (H antigen), pili (fimbriae)
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Causes enteric fever
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Salmonella
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colonies isolated from a vet student show motile rods with H2S, non fermenter of lactose. suspect?
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salmonella enteritidis
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ADP ribosylates Gs, adenylate cyclase is over-active in the small intestine
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Vibrio cholerae
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Photographer from National Geographic in Thailand presents with fever, cramps, hemorrhagic mucosa, & diarrhea. Culture reveals bug that is Lac -, doesnt make H2S, isnt motile
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Shigella dysenteria
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Mechanism by which shigella causes cell damage:
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cleaves rRNA w/ inhibition of 60S protein synthesis
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produces hemorrhagic mucosa in the distal colon
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Shigella dysenteriae
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