TABLE 2.
Organism | Growth pH | ATPase activitya (μmol min−1 mg of protein−1) | Fold induction |
---|---|---|---|
S. sobrinus 6715 | 7.0 | 21 (±3) | 1.0 |
5.0 | 23 (±6.5) | 1.0 | |
S. sobrinus SL1 | 7.0 | 19 (±1) | 1.0 |
5.0 | 23 (±12) | 1.2 | |
S. mutans UA159 | 7.0 | 20 (±12) | 1.0 |
5.0 | 43 (±3) | 2.1 |
The values are the means (standard deviations) of at least three independent experiments.