Xylitol Synthesis Mutant of Xylose-Utilizing Zymomonas for Ethanol Production

NREL (Inventor)

Research output: Patent

Abstract

A strain of xylose-utilizing Zymomonas was engineered with a genetic modification to the glucose-fructose oxidoreductase gene resulting in reduced expression of GFOR enzyme activity. The engineered strain exhibits reduced production of xylitol, a detrimental by-product of xylose metabolism. It also consumes more xylose and produces more ethanol during mixed sugar fermentation underprocess-relevant conditions.
Original languageAmerican English
Patent number7,741,119
StatePublished - 2010

NREL Publication Number

  • NREL/PT-5100-51077

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