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. 2015 Dec 7;11(12):e1005312. doi: 10.1371/journal.ppat.1005312

Fig 5. Intracellular nickel content of H. pylori B128 wild type strain, isogenic mutants and complemented strains.

Fig 5

The identity of each strain is indicated below the bars. Nickel amounts were measured by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) and expressed in μg of nickel. mg of proteins-1. The data correspond to the mean value of two independent experiments with at least triplicate tests for each strain. Error bars represent the standard deviation. *** indicates that the mean value is significantly different from that of the wild type strain (P < 0.01).