The B.cereus has a positive citrate test and a negative Voges Proskauer.
Yes, Kocuria rosea is typically citrate positive, meaning it can utilize citrate as a carbon source for energy production. This ability is often tested in the laboratory using a citrate utilization test.
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The positive organism for citrate utilization test is usually Escherichia coli. When this bacterium is able to grow on a citrate-containing medium, it will produce alkaline byproducts that change the pH of the medium, turning it from green to blue. This color change indicates a positive result for citrate utilization.
No, Pseudomonas aeruginosa typically gives a negative result for citrate utilization in biochemical tests. This bacterium usually does not possess the citrate-permease enzyme needed for citrate utilization.
Yes, Morganella morganii is positive for citrate utilization. This bacterium can use citrate as a carbon source for growth and will produce alkaline byproducts, causing a color change in the citrate test medium from green to blue.
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Klebsiella pneumoniae is typically citrate negative, meaning it does not utilize citrate as a carbon source in the citrate utilization test. This bacterium lacks the enzyme citrate permease needed for citrate utilization.
E. coli is catalyse test positive.
Based on my own test, Shigella flexneri tests negative for the citrate test.
Bacillus megaterium