Pentose fermentation by recombinant Zymomonas
Patent
·
OSTI ID:570493
The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes utilizing the same. Examples include Zymomonas mobilis which has been transformed with combinations of E. coli genes for xylose isomerase, xylulokinase, transaldolase, transketolase, L-arabinose isomerase, L-ribulokinase, and L-ribulose 5-phosphate 4-epimerase. Expression of the added genes are under the control of Zymomonas mobilis promoters. These newly created microorganisms are useful for fermenting pentoses and glucose, produced by hydrolysis of hemicellulose and cellulose, to produce ethanol. 7 figs.
- Research Organization:
- Midwest Research Institute
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC36-83CH10093
- Assignee:
- Midwest Research Inst., Kansas City, MO (United States)
- Patent Number(s):
- US 5,712,133/A/
- Application Number:
- PAN: 8-422,424
- OSTI ID:
- 570493
- Country of Publication:
- United States
- Language:
- English
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