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In a modified time-kill assay done in LB aerobic culture, the addition of 400 μM KCN (A), 5 mM NaN3 (B), or 50 μM CCCP (C) blocked the bactericidal activity of tobramycin. Brackets indicate differences with P values of <0.05 by one-way ANOVA followed by Tukey testing (n = 3 or 4).
