Part I You performed the following tests to identify your unknown bacterial spec

Question

Part I You performed the following tests to identify your unknown bacterial species, and obtained these results Unfortunately, one of your culture tubes was contaminated during inoculation, which resulted in an INCORRECT result. Use the ID matrix provided to determine which of the test results listed is most likely due to this contamination, and therefore INCORRECT. Results table Test Observation Interpretation Growth on TSA White, moist, glistening Red Gram stain Morphology Rod Bacilli Glucose Yellow with a bubble Fermentation Yellow with a Lactose bubble Sucrose Indole Methyl Red Voges-Proskauer Yellow Matrix

Explanation / Answer

Vogues Proskauer

The unknown organism is Enterobacter aerogenes. The Vogues Proskauer test is incorrect due to contamination.

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