Embodiments herein concern compositions and methods for enhancing chemical tolerance of biomass conversion by microorganisms. In some embodiments, enhancing tolerance of biomass hydrolysate conversion includes enhancing tolerance to low molecular weight organic compounds.
FEDERALLY FUNDED RESEARCH
 Embodiments disclosed herein were supported in part by a grant from the U.S. Department of Energy National Renewable Energy Laboratory and Fellowship number 2007056441 from the National Science Foundation; grant BES0228584 from the National Science Foundation and an Fellowship number 2007056441 from the National Science Foundation. The U.S. government may have certain rights to practice the subject invention.