Bacteria Flow chart 1(OK) - Gram Positive Bacteria All...

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9/14/11Bacillus anthracis-Rod-Spores -EF, LF, PA exotoxinsGram Positive BacteriaStreptococcus-Cocci in chains (oval)-Catalase (-)-No ETC (only ferments)-facultativeStaphylococcus-Cocci in clusters-Catalase (+)-ETC, facultative-Non-motileAnaerobesPeptostreptococci-Cocci-Lives in mouth,IntestineMixed infexActinomyces israelii-Branching rod-Molar-tooth colonies-NOT acid fast (from Nocardia)-Sulfur-granules in pusBurrows through tissue planesGCSClostridium-Rods (pleo)-Perit. flagella-In soil, GI tract-SporesC. perfringens-sub-term spore-double-zone hemolysis-In food (even cooked)Gas gangrene, gastroent, septic abortion C. difficile-Post-Abx infexPseudomemb Coagulase (+ )Staphylococcus aureus-Golden pigment-Hemolysis of RBCs-TS nucleus, (+), mannitol (+)Impetigo, TSS, scalded skin, bone infex, gastroent, etcGGS-hemolytic β(lyse RBCs)α-hemolytic (no lysing – green color)Bacitracin (+) No cell growthGroup A Strep (GAS)Strep. Pyogenes-M protein (mimicry)-Lance-field AgMOST virulent!!throat, skin lesions, rheum fever, scarlet fever, GNephritis, etcCoagulase (-)Non-pathogenic Staph- TS nucleus (-), mannitol (-)S. epidermidis-Novobiocin sensitiveForeign bodiesS. saprophyticus -Novobiocin resistUTIsC. Tetani-Terminal spore (tennis-racket)Wound infex, “Lock jaw”, spastic paralysis (esp. neonates)C. botulinum-oval, sub-term spores-from foodWound infex, Floppy Optochin (+)No cell growthStrep. pneumoniae-Diplococci, short chains-Bile soluble-MOST autolytic, natural transformerPnemo, otitis med, mening (adult)-High risk if no spleenOptochin (-)Cell growthBacitracin (-)Viridans Strep-Normal flora-Gold/green coloniesS. mutansDental carriesS. gordoniiendocarditisGFSEnterococcus(Group D strep)Black on esculin agar-Normal flora of GIUTIs, endocarditis, intestinal abscessBacitracin (-)Group B StrepCAMP test (+) arrowhead pattern of hemolysisStrep. agalactiae-small zone of hemolysis-Orange pigment-Pulm surfactact protective vs. infexPassed during labor, pneumo, sepsis, mening, diabetic infexAll EMB/lactose (-)Corynebacterium diphtheria-straight/curved rod-facultative-diphtheria toxin
9/14/11Pseudomonas-Rods*Grows in ANYTHING!

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