Abstract
Recombinant Saccharomyces cerevisiae able to ferment the pentoses D-xylose and L-arabinose, was modified for improved fermentation rates and yields Pentose fermentation is relevant when low cost raw materials such as plant hydrolysates are fermented to ethanol The two most widespread pentose sugars in our biosphere are D-xylose and L-arabinose S cerevisiae is unable to ferment pentoses but has been engineered to do so, however rates and yields are low The imbalance of redox cofactors (excess NADP and NADH are produced) is considered a major limiting factor For the L-arabinose fermentation we identified an NADH-dependent L-xylulose reductase replacing the previously known NADPH-dependent enzyme For D-xylose fermentation we introduced an NADP-dependent glyceraldehyde 3-phospate dehydrogenase to regenerate NADPH.
| Original language | English |
|---|---|
| Title of host publication | Feedstocks for the Future |
| Subtitle of host publication | Renewables for the Production of Chemicals and Materials |
| Editors | JJ Bozell, MK Patel |
| Publisher | American Chemical Society |
| Chapter | 14 |
| Pages | 184-192 |
| Number of pages | 9 |
| ISBN (Print) | 0-8412-3934-7 |
| DOIs | |
| Publication status | Published - 2006 |
| MoE publication type | A4 Conference publication |
| Event | American Chemical Society National Meeting & Exposition - Anaheim, United States Duration: 28 Mar 2004 → 1 Apr 2004 Conference number: 227 |
Publication series
| Name | ACS SYMPOSIUM SERIES |
|---|---|
| Publisher | American Chemical Society |
| Volume | 921 |
| ISSN (Print) | 0097-6156 |
Conference
| Conference | American Chemical Society National Meeting & Exposition |
|---|---|
| Abbreviated title | ACS |
| Country/Territory | United States |
| City | Anaheim |
| Period | 28/03/2004 → 01/04/2004 |
Keywords
- ARABINOSE CATABOLIC PATHWAY
- YEAST PICHIA-STIPITIS
- L-XYLULOSE REDUCTASE
- XYLOSE FERMENTATION
- XYLITOL-DEHYDROGENASE
- FUNCTIONAL EXPRESSION
- FERMENTING YEASTS
- ESCHERICHIA-COLI
- ETHANOL
- XYLULOKINASE
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