Enteric Identification Charts
| Lactose Positve (MacConkey Plate) | ||
|---|---|---|
| TSI - Acid / Acid H2S Negative | ||
| Indole + Citrate - Urea - Non-Motile | Indole - Citrate + Urea ± | |
| Motile | Non-Motile | |
| Escherichia coli | Enterobacter aerogenes | Klebsiella pneumoniae |
| Lactose Positve (MacConkey Plate) | ||
|---|---|---|
| TSI - Acid / Acid H2S Negative | ||
| Indole + Citrate - Urea - Non-Motile | Indole - Citrate + Urea ± | |
| Motile | Non-Motile | |
| Escherichia coli | Enterobacter aerogenes | Klebsiella pneumoniae |
| Lactose Negative (MacConkey Plate) | ||||
|---|---|---|---|---|
| TSI Alkaline / Acid | TSI Alkaline / No Change | |||
| H2S + | H2S - | H2S - | ||
| Urea + | Urea - | Urea - | Urea - | |
| Indole - Citrate ± Motile | Indole - Citrate + Motile | Pigment + | Pigment - | Indole - Citrate + Motile |
| Indole - Citrate + Motile | Indole - Citrate - Non-Motile | |||
| Proteus mirabilis | Salmonella typhimurium | Serratia marcescens | Shigella flexneri | Pseudomonas aeruginosa |
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