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End-product pathways in the xylose fermenting bacterium, Thermoanaerobacterium saccharolyticum

Paper ID Volume ID Publish Year Pages File Format Full-Text
17838 42700 2008 6 PDF Available
Title
End-product pathways in the xylose fermenting bacterium, Thermoanaerobacterium saccharolyticum
Abstract

Key enzymes involved in end-product formation were identified in Thermoanaerobacterium saccharolyticum JW/SL-YS485, a thermophilic anaerobic bacterium under consideration as a biological catalyst for the conversion of cellulosic biomass to ethanol. Based on enzymatic assays and genome sequence analyses, pathways were identified that would lead to the generation of all major products from xylose fermentation: lactate, acetate, ethanol, hydrogen, and carbon dioxide. Pyruvate ferredoxin oxidoreductase is the primary pyruvate decarboxylating enzyme, producing carbon dioxide, reduced ferredoxin, and acetyl-CoA, and ferredoxin is likely oxidized by a specific hydrogenase. It is concluded that enzymes are present in this organism that could theoretically produce ethanol from carbohydrates at high yield.

Keywords
Biofuels; Biomass; Enzymology; Thermophile
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End-product pathways in the xylose fermenting bacterium, Thermoanaerobacterium saccharolyticum
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 42, Issue 6, 5 May 2008, Pages 453–458
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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Any Questions? feel free to contact us