Figure 3.

The effect of sub-inhibitory concentrations (sub-MICs) of allicin on UPEC biofilm formation (A,B) and dispersal (C,D). The biofilm values were normalized with respect to growth values (A,B). The biofilm formation was evaluated by measuring OD value at 595 nm and represented as ratio of biofilm formation relative to control, set at 1. Ratio of biofilm dispersal = (OD value of control − OD value of allicin treatment)/OD value of control. Values shown denote the mean ± SD of three independent experiments in triplicate, * and ** mean statistically significant differences compared to control with values p < 0.05 and p < 0.01, respectively.