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3 Cards in this Set
- Front
- Back
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Non spore forming Gram negative rods Facultative anaerobes Catalase positive Oxidase negative MacConkey to differentiate Routinely found in Gi tract
Lactose fermenters E. Coli Klebsiella Enterobacter Citrobacter Serratia
Non lactose fermenters Salmonella (slow) Shigella Yersinia |
Major structures
LPS O polysaccharide Core polysaccharide Lipid A
Serologic identification O polysaccharide K antigens H antigens Classification Lactose fermenters- E coli (motile) Klebsiella (non motile) Non lactose fermenters Motile and h2s production - Salmonella Proteus Non motile and non H2S production- Shigella and yersinia Shigella and yersinia |
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Virulence factors Endotoxin Capsule Antigenic phase variation Type 3 secretion system Heme protein High antimicrobial resistance |
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