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5 Cards in this Set
- Front
- Back
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Neisseria gonorrhoae ID |
Jembec plate Martin Lewis agar NYC medium Gram negative cocci:aerobic Oxidase: positive CTA : ferments only dextrose (glucose) Room temp choc negative Nutrient agar negative Thayer Martin positive DNase negative
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Neisseria meningitidis |
Gram negative diplococci Sheep blood agai (SBA) and choc agar Mucoid/convex Oxidase positive CTA - ferma glucose(dex) and maltose Room temp choc-no growth Nutrient agar- no growth Thayer Martin agar-positive moraxella DNase negative |
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Moraxella catarrhalis ID |
Gram negative cocci SBA and chocolate agar Hockey puck colonies Wagon whee colonies Oxidase positive Catalase positive Asaccharolytic- no carb ferm CTAs negative DNase positive Nitrate positive Butyrate positive |
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Neisseria characteristics |
Upper respiratory. Urogenital Most isolates norm flora Gram neg cocci in pairs Kidney or coffee bean biscuit shaped Grow best under Co2 ***Aerobic, non motile, non spore forming , cytochrome oxidase positive |
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Neisseria virulence factors |
Capsule -prevents phagocytosis Cell outter membrane prevents binding of effective antibodies. T1&T2-pili T3-T5-no pili Por Ab- stops complement abs inflammatory response Protein 2 OPA -attaches to phagocytes and endothelial Protein3 -block igG |
