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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: FEMS Microbiol Lett. 2012 Mar 12;330(1):30–37. doi: 10.1111/j.1574-6968.2012.02529.x

Figure 4. Metal accumulation in E. coli cells grown in medium containing copper.

Figure 4

The graph represents copper accumulation in cells at 0 (black), 2 (diagonal lines) and 4 hours (gray) after addition of 7.5 µM CuSO4 respectively. The table below the graph represents the actual concentration of copper measured using ICP-MS. Each bar represents the average of three independent experiments and their SEM. ANOVA analysis with multiple comparisons shows that in the absence of cusS, E. coli cells accumulate higher concentrations of copper (P < 0.001).