Fermentation of diluted wheat straw liquid fraction equivalent to 12% DM (w/v). Time course for the fermentation process of untreated liquid fraction (discontinuous lines) and laccase-treated liquid fraction (continuous lines). (A) Cell viability (●) in terms of CFU/mL. (B) Glucose (■) and xylose (▲) concentration. CFU, colony-forming unit; DM, dry matter.