![Enterobacter cloacae Gram stain enterobacter morphology and Gram stain](enterobacter-cloacae-gram-stain.jpg)
Enterobacter cloacae micrograph. Smear made from a colony (blood agar).
Morphology: Gram-negative bacilli.
Enterobacter cloacae may appear in the normal intestinal flora. An opportunistic pathogene in the same manner as many other Enterobacteriaceae (UTIs, wound and bloodstream infections).