| A | B |
|---|
| E. coli | IMViC: ++--, Motile, TSI: A/A+, LF, H2S negative |
| Klebsiella pneumoniae | IMViC: --++, Non-Motile, TSI: A/A+, LF, H2S negative, Lysine decarboxylase positive |
| Shigella species | IMViC: -+-+, Non-Motile, TSI: K/A, NLF, H2S negative |
| Enterobacter cloacae | IMViC: --++, Motile, TSI: K/A+, LF, H2S negtaive, ORN positive |
| Proteus mirabilis | Indole negative, PDA positive, Motile, TSI: K/A+, Urease ++, NLF, H2S positive, ORN positive |
| Proteus vulgaris | Indole positive, PDA positive, Motile, TSI: A/A+, Urease ++, NLF, H2S + |
| Salmonella species | IMViC: -+-+, Motile, TSI: K/A+, NLF, H2S positive, ORN and LYS positive |
| Morganella morganii | IMViC: ++--, Motile, TSI: K/A+, NLF, H2S negative, Urease +, PDA +, ORN decarboxylase positive |
| Citrobacter freundii | IMViC: -+-+, Motile, TSI: Variable, LF, H2S +, Urease Variable, ONPG + |
| Providencia species | TSI: K/A, H2S: neg, Urease:V, Citrate: pos, PDA: pos, Motile |
| Serratia marcescens | TSI: usually K/A, ONPG: pos, DNase: positive, H2S: neg, LF: V |
| Klebsiella oxytoca | IMViC: +-++ , Non-motile, TSI: A/A+, LF, H2S negative,Lysine decarboxylase positive |
|
