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Micro
Micro
4
Biology
Graduate
11/21/2009

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Cards

Term
What toxins are most prevalent in travellers diarrhea?
Definition
LT and ST
Term
A 5 year old patient comes in with bloody diarrhea after eating a contaminated hamburger? What toxins are most likely to have caused this.
Definition
A/E lesion, and shiga
Term
Whats the mechanism of ST?
Definition
An AB toxin. B binds cell, and A binds to GMP which increases guanylate cyclase causing water and salt to be secreted into the lumen
Term
What is the mechanism of LT?
Definition
B binds to cell, A. ADP ribosilation of a regulatory G protein, increasing adenylate cyclase activity causing NaCl and water to leave the cell.
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