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US 7,226,735 B2Granted
Xylose-fermenting recombinant yeast strains
AssigneesWisconsin Alumni Research Foundation, The United States of America as represented by the Secretary of Agriculture
InventorsThomas W. Jeffries, Yong-Su Jin
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Abstract
Disclosed are xylose-fermenting recombinant yeast strains comprising heterologous PsXYL1, Ps XYL2, and PsXYL3, as well as methods of fermenting xylose to obtain ethanol using the recombinant yeast strain.
Claims12
A recombinant xylose-fermenting respiration deficient Saccharomyces cerevisiae yeast strain comprising heterologous polynucleotide sequences encoding xylose reductase, xylitol dehydrogenase, and D-xylulokinase.
A recombinant Saccharomyces cerevisiae strain deposited as NRRL Y-30602.
Dependencies are inferred from the claim text.