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Let's get to the root of this.
Transcript of Let's get to the root of this.
Colonies are pinpoint
0.8-1.2 mm in diameter Gram Stain
cocci shape Growth or no growth
negative result Sorbitol Test
negative result Lactose Test
Positive result Enzymatic Activity Sugar fermentation
negative result alpha-naphthol
Positive Result arginine dihydrolase
negative result C Medium
Sucrose and dextrose
Selective and Differential
Crystal violet and potassium tellurite
Group D and Viridans Group Streptococci
Dextrans Mitis Salivarius Agar (Tellurite) A female patient presents physician's office with slight shortness of breath and minor chest pains,but in considerable distress. A chest X-ray reveals an enlarged heart (endocarditis). The physician on duty explains to the patient that she will need to be admitted, at which point she becomes even more agitated. She has already taken sick leave in the last few days for root canal surgery and, since she has just begun a new job as a Lab Assistant, she is afraid that her company will let her go is she takes any more time off. Harold Moll
Department of Biology
Old Dominion University
General Microbiology Biol 315
April 30, 2013 Let's Get
Root of This 6.5% NaCl Test Mannitol Test Voges-Proskauer Test Arginine Test Glucan Test Medium
Heart Infusion Agar with 5% Sucrose
Non-Selective and Differential
Gram positive cocci that are catalase negative
Group D and Viridans Group Streptococci
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