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L-arabinose fermenting yeast

Patent ·
OSTI ID:1159899

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.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC36-99GO10337
Assignee:
Alliance for Sustainable Energy, LLC (Golden, CO)
Patent Number(s):
8,841,090
Application Number:
13/744,023
OSTI ID:
1159899
Country of Publication:
United States
Language:
English

References (35)

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