Summary of Key Reactions
for Enterobacteriaceae
Clinical Microbiology Review 185
LACTOSE NEGATIVE H 2 S POSITIVE VP POSITIVE PD POSITIVE UREASE POSITIVE NONMOTILE AT 35°C
Shigella
Edwardsiella
Salmonella
Citrobacter(some)
Serratia
Proteus
Morganella
Providencia
Yersinia
Shigella
Klebsiella
Yersinia(motile at 22°C)Klebsiella
Enterobacter
SerratiaEdwardsiella
Salmonella
Citrobacter
ProteusProteus
Morganella
Providencia
Klebsiella(slow)Proteus
Morganella
Providencia rettgeri