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Figure 4 | BMC Microbiology

Figure 4

From: Characterization of mleR, a positive regulator of malolactic fermentation and part of the acid tolerance response in Streptococcus mutans

Figure 4

Influence of pH and L-malate on promoter activity of mleR and mleS. Cells of wildtype and ΔmleR were cultivated in BMS under anaerobic conditions. Neutralized L-malate was added to the respective samples and the pH was adjusted to the desired values. A: Fold change of RLU after two hours of strains carrying mleSp-luc. Left, wildtype. Right, ΔmleR mutant. B: Fold change of RLU after two hours of strains carrying mleRp-luc. Left, wildtype. Right, ΔmleR mutant. White bars, no addition of L-malate; Red bars, addition of 25 mM L-malate.

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BMC Microbiology

ISSN: 1471-2180

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