Which biochemical test result is characteristic of Yersinia enterocolitica?

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Multiple Choice

Which biochemical test result is characteristic of Yersinia enterocolitica?

Explanation:
Urease production is a hallmark biochemical trait used to identify Yersinia enterocolitica. The urease enzyme breaks down urea into ammonia and carbon dioxide, raising the medium’s pH. In a urease test, this alkalinization shows up as a positive result, guiding you toward Y. enterocolitica in the typical panel of enteric bacteria. This trait helps distinguish it from many other non-lactose–fermenting enterics that are urease negative, making urease positivity a particularly useful clue in confirming this organism.

Urease production is a hallmark biochemical trait used to identify Yersinia enterocolitica. The urease enzyme breaks down urea into ammonia and carbon dioxide, raising the medium’s pH. In a urease test, this alkalinization shows up as a positive result, guiding you toward Y. enterocolitica in the typical panel of enteric bacteria. This trait helps distinguish it from many other non-lactose–fermenting enterics that are urease negative, making urease positivity a particularly useful clue in confirming this organism.

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