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Fig. 4 | Microbial Cell Factories

Fig. 4

From: Exploring the contributions of two glutamate decarboxylase isozymes in Lactobacillus brevis to acid resistance and γ-aminobutyric acid production

Fig. 4

Acid resistance of L. brevis strains in phosphate buffer (pH 2.5) with 10 mmol/L MSG. Stationary-phase cells of L. brevis CGMCC1306 (WT), L. brevis ΔgadA, L. brevis ΔgadB, L. brevis ΔgadC, L. brevis ΔgadAΔgadB and L. brevis ΔgadB: pMG36e-gadB were exposed to a pH of 2.5, and the numbers of viable cells were estimated over time. Standard deviations were calculated from the results of three independent experiments

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