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Specific activities of AmpC in P. aeruginosa in the presence or absence of CCCPa
| Strains | β-Lactamase activityb |
|
|---|---|---|
| −I | +I | |
| PAO1ΔDDh2Dh3 | 3,380 ± 462 | 1,222 ± 145 |
| PAO1ΔDDh2Dh3G | 3 ± 0.3 | 3 ± 0.7 |
| PAO1ΔDDh2Dh3G/pZY0901 | 6,656 ± 326 | 2,797 ± 442 |
The bacterial strains were cultured with (+I) or without (−I) 120 μM CCCP.
Nanomoles of nitrocefin hydrolyzed per minute per milligram of protein.
