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Izumoring: A strategy for bioproduction of all hexoses

Paper ID Volume ID Publish Year Pages File Format Full-Text
25340 43568 2006 6 PDF Available
Izumoring: A strategy for bioproduction of all hexoses

Izumoring is a new concept for the bioproduction of all hexose sugars – 16 aldohexoses, eight ketohexoses and 10 hexitols – using enzymatic and microbiological reactions. The biocatalysts necessary for the strategy were (i) d-tagatose 3-epimerase [which epimerizes all ketohexoses at C-3 of the sugar], (ii) polyol dehydrogenases [which catalyze oxidation–reduction reactions between ketohexoses and the corresponding hexitols], and (iii) aldose isomerases [which catalyze isomerization reactions between aldohexoses and corresponding aldoketoses]. All ketohexoses, aldohexoses and hexitols may be arranged in a symmetric ring connected by the biochemical reactions, allowing the design for the bioproduction of all 34 hexose sugars. The ring shows there are four entrances to the l-hexose world from the natural d-hexoses. The Izumoring ring shows clearly the relationship and the position of all 34 six carbon sugars.

Izumoring; Monosaccharide; d-tagatose 3-epimerase; Aldose isomerase; Polyol dehydrogenase; Rare sugar
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Izumoring: A strategy for bioproduction of all hexoses
Database: Elsevier - ScienceDirect
Journal: Journal of Biotechnology - Volume 124, Issue 4, 5 August 2006, Pages 717–722
Physical Sciences and Engineering Chemical Engineering Bioengineering