Biofuels

acid activity addition amount analysis Appl Appl Biochem Biotechnol Appl Environ Microbiol Appl Microbiol Biotechnol application bioethanol biofuels biomass Biotechnol capacity cell cellulose cerevisiae changes chemical coli combined compared concentration contain conversion corn stover cost culture d-xylose degradation direct economic effect efficient energy enzymatic hydrolysis enzymes ethanol production ethanol yield expression feedstock fermentation formation fraction fuel further genes glucose growth hemicellulose higher important improved increased indicated industrial Ingram integration levels lignin lignocellulosic limited lower major measured medium metabolic engineering methods Microbiol million mixture mobilis organisms overall pathway pentose performed plant potential present pretreatment protein pulp raw material recent recombinant reduced reesei renewable reported residues shown significant solid specific steam step strain studies substrate sugars Table Technol temperature thermostable tion utilization various xylitol xylose yeast yield