Bacteriology Yersinia ירסיניה

Members of the genus Yersinia are gram-negative coccobacilli; they are facultative anaerobes in the family Enterobacteriaceae [2]. Like other Enterobacteriaceae, Y. pseudotuberculosis and Y. enterocolitica are bile tolerant and grow on MacConkey agar, they ferment glucose but not lactose, they are oxidase-negative, and reduce nitrate to nitrite.