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Fig. 2 | BMC Microbiology

Fig. 2

From: Identification and functional analysis of the L-ascorbate-specific enzyme II complex of the phosphotransferase system in Streptococcus mutans

Fig. 2

Acid production assay. Wild-type UA159, ptxA strain, ptxB strain, ptxAB strain, CptxA strain, CptxB strain and CptxAB strain were incubated in BHI or TVL medium for 24 h (a) and 48 h (b) anaerobically. The pH measurements of the media were performed before and after the incubation, and are presented as ΔpH. A significant difference is indicated by *P < 0.05, **P < 0.01 compared to UA159. The results presented here are the average of three independent experiments performed in triplicate

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