312917.fig.001
Figure 1: Time course of trials S0, S1, S2, and S3 and corresponding cell-bound zinc after 48 h. Dashed bar indicates incubation in MRS broth; black bar indicates incubation in MRS broth + 10 mmol L−1 ZnSO4. Values are means from three separate experiments ± SD. Means sharing a common superscript do not differ ( ).