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Title: L-arabinose fermenting yeast

An L-arabinose utilizing yeast strain is provided for the production of ethanol by introducing and expressing bacterial araA, araB and araD genes. L-arabinose transporters are also introduced into the yeast to enhance the uptake of arabinose. The yeast carries additional genomic mutations enabling it to consume L-arabinose, even as the only carbon source, and to produce ethanol. A yeast strain engineered to metabolize arabinose through a novel pathway is also disclosed. Methods of producing ethanol include utilizing these modified yeast strains.
Inventors:
; ; ; ; ;
Issue Date:
OSTI Identifier:
1083198
Assignee:
Alliance for Sustainable Energy, LLC (Golden, CO) NREL
Patent Number(s):
8,372,626
Application Number:
12/909,523
Contract Number:
AC36-99GO10337
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
59 BASIC BIOLOGICAL SCIENCES

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