Streptococcus pyogenes

Assignment: Perform an online search for the organism.  Use this information as well as information obtained from you textbook to answer the following questions.

(1) Characteristics of the microorganism?  Be sure to include:

GRAM REACTION: CELL SHAPE: MORPHOLOGY: ACID FAST REACTION: FLAGELLA STAIN/MOTILITY ENDOSPORE STAIN: CATALASE TEST: OXIDASE TEST: OXYGEN REQUIREMENTS: TEMPERATURE REQUIREMENTS:

Depending on the organism one or more of the following may also be important:

VOGES-PROSKAUER TEST: MOTILITY TEST: DNASE TEST: INDOLE TEST: STARCH HYDROLYSIS TEST: HEMOLYSIS TEST: CITRATE TEST: GELATIN LIQUEFACTION TEST: BACITRACIN SENSITIVITY: OPTICHIN SENSITIVITY: OXYGEN SENSITIVITY: TRIPLE SUGAR IRON AGAR: SUCROSE FERMENTATION: LACTOSE FERMENTATION: MANNITOL FERMENTATION: E.M.B. AGAR: SALMONELLA/SHIGELLA AGAR: CHOCOLATE AGAR: CHARCOAL AGAR:

(2)  Which charateristics are commony used to identify this microorganism?

(3)  Where is the organism found?

(4)  Does the organism cause disease?  If so, describe the disease, and treatment and/or any preventive strategies that exist.

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