Fig 4.
Effect of iron on the inhibitory activity of Ga(NO3)3. A. baumannii strains ACICU (A), A376 (B), A399 (C), and A451 (D) were grown for 48 h in M9-DIP supplemented with increasing FeCl3 (0 to 50 μM) and Ga(NO3)3 (0 to 128 μM) concentrations. Growth is expressed as percentage relative to growth (OD600) of control cultures in M9-DIP.