Fig. 2. The sugar (combining glucose and xylose) and ethanol concentration from a
fermentation of (a) 1.5% sulfate-containing rice straw hydrolysate (b) 3.0% sulfatecontaining
rice straw hydrolysate using the parent and adapted P. stipitis. (4)
Parent strain/glucose, (h) parent strain/xylose, (s) parent strain/ethanol, (N)
adapted strain/glucose, (j) adapted strain/xylose, (d) adapted strain/ethanol.