In this experiment, different concentrations of the glucose/xylose mixture
in mMRS medium were used: 25 g/L glucose/50 g/L xylose (G25X50), 50 g/L glucose/
50 g/L xylose (G50X50), and 50 g/L glucose/25 g/L xylose (G50X25). Batch fermentations
were carried out using a 1-L jar fermentor with a 0.4-L working volume
under the same conditions as described above.