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  • Title: Rapid urease screening of Yersinia on CIN agar plates.
    Author: Hilbert F, Mayrhofer S, Smulders FJ.
    Journal: Int J Food Microbiol; 2003 Jul 15; 84(1):111-5. PubMed ID: 12781961.
    Abstract:
    Yersinia enterocolitica is an important foodborne pathogen, but isolation of virulent Yersinia from food sources is still time consuming and requires skills. In this article, we describe a rapid urease screening on cefsulodin-irgasan-novobiocin (CIN) agar plates with an agar overlay assay. This test is simple to perform, all colonies on a plate can be checked simultaneously, it only takes minutes for detection of urease-positive colonies and the colonies survive for transfer, further characterisation, and storage. Additionally, this method is useful to isolate virulent (urease-positive and pYV harbouring) Y. enterocolitica from foodstuffs.
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