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I had a bacterial unknown of M. luteus in my microbiology lab. M. luteus is a Gram positive cocci (as seen by a gram stain). A good definitive test for Gram + cocci is the catalase test. M. luteus is catalase positive. Then a nitrate test can be performed to determine that M. luteus is nitrate negative.

Those alone should be enough to confirm M. luteus.

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14y ago
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6mo ago

Biochemical tests to confirm Micrococcus luteus include catalase positive, coagulase negative, positive reactions for oxidase, nitrate reduction, and maltose fermentation tests. Additionally, M. luteus is non-motile, exhibits yellow pigmentation, and grows well on nutrient agar.

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10y ago

gram stain and sugar test

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Q: Biochemical tests to confirm micrococcus luteus?
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