TABLE 3.
Temp (°C) | Sp act of β-galactosidase (Miller units)a produced by strain:
|
||
---|---|---|---|
MC4100 (wild type) | PD145 (hns) | BSB29 (hns stpA) | |
37 | 135 ± 15 | 127 ± 25 | 269 ± 41 |
22 | 0.8 ± 0.2 | 17 ± 3 | 88 ± 11 |
β-Galactosidase activity is the mean ± standard deviation of three independent experiments.