Figure 4

Anaerobic batch fermentations by recombinant S. cerevisiae in defined mineral medium with 20 g/l glucose and 20 g/l arabinose (A), 20 g/l glucose and 20 g/l arabinose (B) or 20 g/l glucose, 20 g/l xylose and 20 g/l arabinose (C-E) as carbon sources. A. B. C. BWY02.XA (xylose and arabinose-growing laboratory strain); D. TMB 3400 (xylose-growing industrial strain); E. TMB 3063 (xylose and arabinose-growing industrial strain). Symbols: ○ glucose; □ xylose; △ arabinose; × xylitol; + arabitol; ▲ glycerol; ◆ ethanol; ■ biomass.