Unique features of Gram-negative bacteria
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Outer membrane
water-filled channels take in nutrients
nutrient-binding proteins
outer membrane proteins
Yersinia invasins
gonococcal Opa proteins help the bacteria avoid immune detection
LPS is on the surface of most Gram-negative bacteria
LPS: lipopolysaccharide
molecules are buried in membrane
in humans, LPS can trigger a cytokine cascade that ultimately leads to blood pressure bottoming out
side chains are an osmotic barrier; these are used to identify pathogen like Salmonella
Category: Microbiology Notes
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