Tuesday 6 October 2015

Identification of Yersinia species

Public health England has issued “UK Standards for Microbiology Investigations ID 21: identification of Yersinia species.”

Members of the genus Yersinia are Gram-negative, catalase-positive and oxidase-negative, facultatively anaerobic straight rods to coccobacilli. Cells are 0.5 - 0.8μm by 1-3μm in size and show bipolar staining (“closed safety-pin appearance”). They have both respiratory and fermentative type of metabolism.

The document provides guidance about the identification of these organisms. To access the document, see Public Health England.

Posted by Tim Sandle

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