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
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