Taxonomy
Family: Enterobacteriaceae
Natural habitats
Widely distributed in nature.
Clinical significance
Pathogenicity undetermined (opportunistic pathogen).
Rarely isolated from clinical samples.
Gram negative straight rods
Facultative anaerobic
BA: colonies are gray and smooth, some stains form a yellow to light yellow pigment.
McConkey: growth lactose fermenter
BBAØ: growth
James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition
Karen C. Carrol et al (2019) Manual of Clinical Microbiology, 12th Edition