Ethanol production using xylitol synthesis mutant of xylose-utilizing zymomonas

Viitanen, Paul V.; McCutchen, Carol M.; Emptage, Mark; Caimi, Perry G.; Zhang, Min; Chou, Yat-Chen

Title: Ethanol production using xylitol synthesis mutant of xylose-utilizing zymomonas

Patent · Tue Jun 22 00:00:00 EDT 2010

OSTI ID:1176383

Viitanen, Paul V.; McCutchen, Carol M.; Emptage, Mark; Caimi, Perry G.; Zhang, Min; Chou, Yat-Chen

Production of ethanol using a strain of xylose-utilizing Zymomonas with a genetic modification of the glucose-fructose oxidoreductase gene was found to be improved due to greatly reduced production of xylitol, a detrimental by-product of xylose metabolism synthesized during fermentation.

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Research Organization:: E. I. du Pont de Nemours and Company, Wilmington, DE (United States); Alliance for Sustainable Energy LLC, Golden, CO (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC36-03GO13146

Assignee:: E. I. du Pont de Nemours and Company (Wilmington, DE); Alliance for Sustainable Energy LLC (Golden, CO)

Patent Number(s):: 7,741,084

Application Number:: 11/862,736

OSTI ID:: 1176383

Resource Relation:: Patent File Date: 2007 Sep 27

Country of Publication:: United States

Language:: English

References (16)

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Sorbitol promotes growth of Zymomonas mobilis in environments with high concentrations of sugar: evidence for a physiological function of glucose-fructose oxidoreductase in osmoprotection. Loos, H.; Krämer, R.; Sahm, H. Journal of Bacteriology, Vol. 176, Issue 24 https://doi.org/10.1128/JB.176.24.7688-7693.1994	journal	January 1994
The Effect of Glucose on High-Level Xylose Fermentations by Recombinant Zymomonas in Batch and Fed-Batch Fermentations Lawford, Hugh G.; Rousseau, Joyce D. Twentieth Symposium on Biotechnology for Fuels and Chemicals https://doi.org/10.1007/978-1-4612-1604-9_23	book	January 1999
d-Xylose (d-glucose) isomerase from Arthrobacter strain N.R.R.L. B3728. Purification and properties Smith, C. A.; Rangarajan, M.; Hartley, B. S. Biochemical Journal, Vol. 277, Issue 1 https://doi.org/10.1042/bj2770255	journal	July 1991
Ethanol production from cellulose by coupled saccharification/fermentation usingSaccharomyces cerevisiae and cellulase complex fromSclerotiun rolfsii UV-8 mutant Deshpande, Mukund V. Applied Biochemistry and Biotechnology, Vol. 36, Issue 3, p. 227-234 https://doi.org/10.1007/BF02921781	journal	September 1992
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Cellular biosensing system for assessing immunomodulating effects on the inducible nitric oxide synthase (iNOS) cascade Kamei, Ken-ichiro; Haruyama, Tetsuya; Mie, Masayasu Biotechnology Letters, Vol. 25, Issue 4, p. 321-325 https://doi.org/10.1023/A:1022339929026	journal	January 2003
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