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AR of E. coli O91:H21 strain
| Adaptation mediuma | Challenge medium (pH 2.5) | % Survivalb |
|---|---|---|
| LB, pH 5.5 | EG | <0.005 |
| BHI, pH 5.5 | EG | 9 |
| LBG | EG | <0.006 |
| EG + Glu | <0.06 | |
| EG + Arg | <0.01 | |
| BHIG | EG | <0.004 |
| EG + Glu | 29 | |
| EG + Arg | 6 |
Adaptation involved overnight growth in the medium indicated.
Measured by determining the number of surviving cells after 4 h of acid treatment. Experiments were conducted in triplicate, and results varied within 50% of the stated value.
