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Co-fermentation of glucose, xylose and/or cellobiose by yeast

United States Patent

September 10, 2013
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
Provided herein are methods of using yeast cells to produce ethanol by contacting a mixture comprising xylose with a Spathaspora yeast cell under conditions suitable to allow the yeast to ferment at least a portion of the xylose to ethanol. The methods allow for efficient ethanol production from hydrolysates derived from lignocellulosic material and sugar mixtures including at least xylose and glucose or xylose, glucose and cellobiose.
Jeffries; Thomas W. (Madison, WI), Willis; Laura B. (Madison, WI), Long; Tanya M. (Monona, WI), Su; Yi-Kai (Madison, WI)
Wisconsin Alumni Research Foundation (Madison, WI), U.S. Department of Agriculture (Washington, DC)
13/ 451,324
April 19, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with government support under DE-FC02-07ER64494 awarded by the US Department of Energy and 10-JV-11111126-053 awarded by the USDA/FS. The government has certain rights in the invention.