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14 Cards in this Set
- Front
- Back
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General features of most Staphylococcus species
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Gram + cocci
Catalase + ability to ferment glucose anaerobically (Facultative) Bacitracin susceptibility - furozolidone susceptibility + |
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Gram +
Catalase + Coagulase + Latex agglutination + mannitol fermentation + white colonies on SBA yellow colonies on Mannitol Salt agar |
Staphylococcus aureus
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Catalase +
Gram + Coagulase - Novobiocin resistance + mannitol fermentation +/- bacitracin susceptibility - furozolidone susceptibility + |
Staphylococcus saprophyticus
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Catalase +
Coagulase - Novobiocin resistance - mannitol fermentation - white colonies on SBA yellowish colonies on Mannitol Salt agar |
Staphylococcus epidemidis (possibly)
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Gram +
Coagulase - anaerobic glucose fermentation - Bacitracin susceptibility + furozolidone susceptibility - |
Micrococci
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General features of most streptococci
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Gram + cocci, oval/round usually in chains
Catalase - most facultative anaerobes non-motile non-spore forming grouped by appearance on SBA (alpha, beta, gamma hemolysis) |
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List major alpha hemolytic strep & enterococci species
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Streptococcus pneumoniae
Streptococcus bovis Enterococcus Viridans Streptococcus |
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List major beta hemolytic strep & enterococci species
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S. pyogenes - GROUP A
S, agalactiae - GROUP B S. bovis - GROUP D Enterococcus (rare) |
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List major gamma hemolytic strep & enterococci species
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Viridans Streptococcus
S. bovis - GROUP D Enterococcus |
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B-hemolytic on SBA
Catalase - Latex agglutination + Bacitracin sensitivity + PYR + |
Strep pyogenes (GROUP A)
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B-hemolytic SBA
Catalase - Latex agglutination + CAMP + Hippurate hydrolysis + Bacitracin sensitivity - |
Streptococcus agalactiae (GROUP B)
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Catalase -
Bile esculin + 6.5% NaCl - |
Streptococcus bovis (GROUP D)
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Lancet-shaped gram + cocci
a-hemolysis on SBA Catalase - Capsule (Quellung) + Bile solubility + Optochin sensitivity + |
Streptococcus pneumoniae
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alpha or gamma hemolysis on SBA
Catalase - Bile esculin + Growth on 6.5% NaCl + PYR + |
E. fecalis
E. faecium |
