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Production of IAA by wild-type and IAA-deficient mutant of P. putida GR12-2 in the presence of various concentrations of tryptophan
| Tryptophan concn (μg/ml) | IAA production (μg/ml/OD600 unit)a
|
|
|---|---|---|
| Wild type | Mutant | |
| 0 | 0.5 ± 0.1 | 0.5 ± 0.0 |
| 50 | 14.5 ± 0.5 | 0.5 ± 0.2 |
| 100 | 22.5 ± 2.0 | 0.8 ± 0.3 |
| 200 | 26.2 ± 0.3 | 1.0 ± 0.4 |
| 500 | 32.7 ± 2.9 | 2.0 ± 0.3 |
Average ± standard error from three separate experiments.
