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- bromocresol purple - fementation of simple carbs |
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- 2 H2O2 --> H2O + O2 - catalase is only produced by viable cells |
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- tests ability to use citrate as sole carbon source - bromothymol blue - sodium carbonate produced --> PH lowers |
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- used to differentiate S. aureus strains (+) from other - coagulase and/or clumping factor - |
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- bromothymol blue (yellow if acid produced) - blue if peptone deaminated |
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Definition
- by product of metabolic break down of tryptophan - Kovac's reagent with indole --> red - |
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Definition
- differentiate gram-negative enteric bacteria - butylene glycol pathway of glucose metabolism - identify bacteria that use the mixed-acid pathway - metabolize pyruvic acid |
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Definition
- butylene glycol pathway of glucose metabolism - detects acetoin - positive --> red |
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