highly significantP< 0.001
The number of these susceptible persister colonies increases with the number of resistant colonies present ( Figure 3b ; R 2 =0.8384, F 1,16 =87.907, P <0.0001) and over time, as shown by the highly significant resistant colonies by time interaction term ( Figure 3c ; F 1,92 = 17.85, P< 0.001).