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Figure 3 | BMC Microbiology

Figure 3

From: The role of sigma factor RpoH1 in the pH stress response of Sinorhizobium meliloti

Figure 3

Growth curves of S. meliloti 1021 wild type strain and sigma factor rpoH1 mutant after pH shock. S. meliloti 1021 wild type strain (A) and sigma factor rpoH1 mutant (B) were grown in medium at pH 7.0 and transferred to medium at pH 5.75 (open signs) or at pH 7.0 (filled signs). The arrows indicate the moment of pH shift. Cell growth was measured every two hours after pH shift. The error bars indicate the standard deviation calculated from three independent cultures.

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