Fig. 3
Batch fermentation of C. glutamicum CGS1 (squares), CGS3 (circles) and CGS5 (upward triangles). a Profiles of cell growth (filled symbols) and xylose consumption (open symbols) in CGXIIA medium with 30 g L−1 xylose. b Profiles of succinate production (filled symbols) and xylose consumption (open symbols) under anaerobic conditions with an initial OD600 of 30. 30 g L−1 4MgCO3·Mg(OH)2·5H2O, 200 mM sodium bicarbonate, and 1 mM IPTG were added into the CGXIIB medium. c Profiles of succinate yield (black bars), xylose consumption rate (white bars, calculated at 8 h), and succinate productivity (grey bars, calculated at 8 h) under anaerobic conditions