TABLE 2.
Promoter activities of aotJ and ldcA in response to arginine and lysine
| Strain | Description or genotype | Nutrientsa | Sp act (mmole/mg/min) for:b |
|
|---|---|---|---|---|
| PldcA::lacZ | PaotJ::lacZ | |||
| PAO1 | Wild type | G | 0.8 (1) | 14 (1) |
| A + G | 9.5 (12) | 61 (4) | ||
| L + G | 1.2 (1.5) | 18 (1.2) | ||
| PAO5715 | ΔaruCFGDBE::Gmr | G | 4.1 (1) | 58 (1) |
| A + G | 16.0 (4) | 105 (2) | ||
| L + G | 4.0 (1) | 26 (0.5) | ||
a
Cells were grown in minimal medium P supplemented with 20 mM lysine (L), arginine (A), or glutamate (G).
b
Specific activities represent the averages from three measurements with standard errors below 5%. Fold changes are in parentheses.