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. 2001 Sep;67(9):4144–4151. doi: 10.1128/AEM.67.9.4144-4151.2001

FIG. 5.

FIG. 5

Effect of pH on l-malic acid uptake in S. cerevisiae V5 YEp MAE1. The initial rates were determined using a constant monoanionic l-malic acid concentration of 9.4 mM (▴). Variations in the concentrations of the monoanionic (– –) and the undissociated (––) forms of the acid are reported.