Yersinia

Colonies of Y. enterocolitica on an agar plate

Yersinia spp. are gram-negative rods with rounded ends. Many of the members of the genus have the ability to grow under extremes of temperature and are well adapted to survive in the environment.

(Image: CDC)

The main causes of disease in humans are Y. enterocolitica, which causes foodborne yersiniosis, and Y. pestis, the causative agent of plague.

Yersinia

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