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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Catalase positive coagulase negative beta hemolytic bacteria is
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The correct answer is  Coagulase negative Staphylococci constitute a major component of the normal flora of human body. eg: S.epidermidis, S.saprophyticus and S.haemolyticus They are negative in: Coagulase Mannitol fermentation Heat stable nuclease Golden yellow pigment Sensitivity to lysostaphin Beta hemolysis on blood agar Phenolphthalein phosphatase Ref: Textbook of Microbiology; Ananthanarayanan and Panicker; Ninth Edition; Page no: 200, 206