A specimen on a 3-year-old girl is received from apediatrician’s office labeled “leg wound drainage.” At 48 hours,small grayish nonhemolytic colonies are observed on blood andchocolate agars. The colonies Gram stain as gram-negative bacilli,there is no growth on MacConkey agar. A distinct “musty” odor isdetected, and the colonies demonstrate a positive oxidaseresult.
Questions:
-Based on the information given, what organism do you suspect?What further background information would you request form thepediatrician’s office to support your suspicions?
-The cause of the “musty” odor can be determined by a spot benchtest useful in identifying this organism. What test should beperformed to assist in identification?
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