Citrobacter koseri

Citrobacter koseri is a Gram-negative, nonspore-forming bacillus. It is a facultative anaerobe capable of aerobic respiration. It is motile via peritrichous flagella. It is a member of the family of Enterobacteriaceae. The members of this family are the part of the normal flora of human and animal digestive tracts. C. koseri may act as an opportunistic pathogen in a variety of human infections.