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. 2011 Aug 31;12:437. doi: 10.1186/1471-2164-12-437

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Copyright ©2011 Goldová et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Survival of P. aeruginosa PAO1 and ΔpppA-ppkA strains upon exposure to environmental stresses. (A) Oxidative stress with 1 to 50 mM H₂O₂. The differences between the mutant and its parental wild-type strain are statistically significant (P < 0.05) for all H₂O₂concentrations. The standard errors of the means from three independent assays are shown. (B) Hyperosmotic stress with 1.3 to 2 M NaCl. The standard errors of the means from three independent assays are shown. The differences between the mutant and its parental wild-type strain are statistically significant (P < 0.05) for 1.3 and 1.6 M NaCl. An asterisk indicates a significant difference.