Researchers engineer enzyme surfaces to bind less to lignin; potential cost reduction for cellulosic ethanol production

By mmillikin Researchers at Rutgers University-New Brunswick and Michigan State University have devised a way to reduce the amount of enzymes needed to convert biomass into biofuels by designing and genetically engineering enzyme surfaces so they bind less to the lignin in biomass. This potentially could reduce enzyme costs in biofuels production. A paper on their work is published in the journal ACS Sustainable Chemistry & Engineering.

Cellulases (enzymes) deconstruct lignocellulosic biomass for conversion to biofuels such as cellulosic ethanol and biochemicals. However, lignin, an organic polymer in biomass that binds to and strengthens plant fibers, inactivates the cellulase enzymes via non-productive binding

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