Enterobacteriaceae
From IDWiki
- A family of Gram-negative bacteria
- Non-spore-forming, glucose-fermenting facultative anaerobes
- Medically important bacteria within the family includes:
Identification
Lactose | PPA | H2S | Mannitol | Indole | Urease | Growth on Citrate | Other Tests | Organism |
---|---|---|---|---|---|---|---|---|
+ | β | β | + | + | + | + | nonmotile, methyl red β | Klebsiella oxytoca |
β | + | + | +/Β± | + | motile, methyl red + | Citrobacter koseri | ||
β | + | + | β | β | Escherichia coli | |||
+ | + | β
Β± |
β/Β± | +/Β± | Citrobacter freundii | |||
β | + | β | + | + | TSI A/A with gas, nonmotile | Klebsiella pneumonia | ||
β | + | β | +/Β± | + | TSI A/A with gas, motile, arginine dihydrolase + | Enterobacter cloacae | ||
β | + | β | β | + | TSI A/A with gas, motile, arginine dihydrolase β | Klebsiella aerogenes | ||
Β± | β | β | β | + | β | β | oxidase + | Plesiomonas shigelloides |
β | β | + | Β± | + | β | Yersinia enterocolitica | ||
β | + | + | β | + | +/Β± | Proteus mirabilis | ||
+ | + | + | β/Β± | Proteus vulgaris | ||||
Β± | β | β | + | β | TSI with gas | Proteus penneri | ||
β/Β± | β | + | + | β | TSI with gase | Morganella morganii | ||
β | + | + | + | + | TSI no gas | Providencia rettgeri | ||
β | β | + | β | + | TSI no gas | Providencia stuartii | ||
β | Β± | + | Β± | β/Β± | +/Β± | Citrobacter species | ||
β | + | + | β | β | Escherichia coli (inactive) | |||
β | + | β | β | + | Hafnia species | |||
+/Β± | + | β | β | Β± | Salmonella species | |||
β | + | β | β | β | Shigella species (other than S. dysenteriae) | |||
β | + | β | β | + | Serratia marcescens | |||
+ | β | + | β | β | Edwardsiella tarda | |||
β | β | β | β | β | Shigella dysenteriae |