Figure 1.

Time-dependent batch fermentation profiles of glucose consumption (circles), xylose consumption (diamonds), ethanol production (squares), dry cell weight (triangles), and xylitol excretion (inverted triangles) by recombinant S. cerevisiae, MA-R4 (closed symbols) and MA-B4 (open symbols), in YPD medium containing 40 g/L glucose (A) and YPX medium containing 40 g/L xylose (B) under anaerobic conditions. Small amounts of glycerol and acetic acid are not shown (see text). Data points represent the averages of three independent experiments. The arrows (denoted by D1, D2, X1, and X2) indicate times at which samples were taken for transcriptome analysis.