Zymomonas with improved xylose utilization in stress conditions

Patent · Tue Aug 21 00:00:00 EDT 2012

OSTI ID:1062722

Caimi, Perry G. ^[1]; Emptage, Mark ^[2]; Li, Xu ^[3]; Viitanen, Paul V. ^[4]; Chou, Yat-Chen ^[5]; Franden, Mary Ann ^[6]; Zhang, Min ^[5]

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1. Kennett Square, PA
2. Wilmington, DE
3. Newark, DE
4. West Chester, PA
5. Lakewood, CO
6. Centennial, CO

Strains of xylose utilizing Zymomonas with improved xylose utilization and ethanol production during fermentation in stress conditions were obtained using an adaptation method. The adaptation involved continuously growing xylose utilizing Zymomonas in media containing high sugars, acetic acid, ammonia, and ethanol.

• Research Organization: National Renewable Energy Laboratory (NREL), Golden, CO (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC36-08GO28308
• Assignee: Alliance for Sustainable Energy LLC E I du Pont de Nemours and Company (Wilmington, DE)
• Patent Number(s): 8,247,208
• Application Number: 12/641,642
• OSTI ID: 1062722
• Resource Relation: Patent File Date: 2009 Dec 18
• Country of Publication: United States
• Language: English