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. 2021 Sep 14;24(10):103128. doi: 10.1016/j.isci.2021.103128

Figure 2.

Figure 2

Modulation of persistence of exponential phase WT and ΔraiA V. cholerae by indole

(A–D) Early exponential phase of wild-type (WT) and ΔraiA V. cholerae cultures were treated with lethal doses of the specified antibiotics for 20 h. The y axis represents survival, as the number of CFU growing after antibiotic treatment and removal divided by the total number of CFU at time zero (before antibiotic treatment). Bars represent geometric means and error bars represent geometric standard deviation. Tobramycin (TOB): 10 μg/mL, gentamicin (GEN): 5 μg/mL, carbenicillin (CRB): 100 μg/mL, indole (IND): 350 μM. Experiments were performed 3 to 6 times, and statistical analysis was performed (∗: p < 0.05; ∗∗: p < 0.01).