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. 2015 May 8;6:422. doi: 10.3389/fmicb.2015.00422

FIGURE 1.

FIGURE 1

Maximum specific growth rate of Listeria monocytogenes LO28 wild type (WT) and acid resistant variants in Brain Heart Infusion (BHI) at 37∘C (A) and 7∘C (B), determined by the twofold dilution (2FD) method. Dark gray bars indicate the slightly resistant variants, light gray the variable resistant variant and white the highly acid resistant variants (Metselaar et al., 2013). Error bars represent the SD of the mean for three (A) or two (B) independent replicates. Significantly different values for μmax compared to the WT are indicated by ∗(p< 0.05).