FIG 2.
There is variation in the E. coli metabolome in the absence of drug. (A) No preincubation; (B) with a preincubation stage of 2 h. The scale is red to blue, with the darkest red being a >5-fold increase and the darkest blue being a >5-fold decrease in metabolite intensity. Yellow coloring represents no change to the metabolite intensity. Blue coloring in the time zero (T0) samples means that this metabolite was detected only after 2 and 4 h (T2 and T4). At least three biological replicates were run for each time point.