Fig. 5From: Differential transcriptome analysis of enterohemorrhagic Escherichia coli strains reveals differences in response to plant-derived compoundsBiofilm formation of the respective strains grown in M9 minimal medium (grey) and in lamb’s lettuce medium (black). Significant differences between the strains and growth conditions are marked with * (p < 0.05), ** (p < 0.01), and *** (p < 0.001)Back to article page