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Induction of the mel and lac operons by galactose, lactose, and melibiose
| Carbon source (0.4%) | α-Galactosidase units (mel operon) for genotype: |
β-Galactosidase units (lac operon) for genotype: |
||
|---|---|---|---|---|
| lacY | WT | lacY | WT | |
| Glycerol | 0.468 ± 0.039 | 0.550 ± 0.014 | 3.280 ± 0.080 | 3.413 ± 0.020 |
| Galactose | 3.30 ± 0.24 | 4.70 ± 0.35 | 2.717 ± 0.038 | 3.81 ± 0.12 |
| Lactose | No growth | 3.11 ± 0.39 | No growth | 1,404 ± 52 |
| Melibiose | 394 ± 45 | 431 ± 67 | 2,052 ± 98 | 2,050 ± 120 |
