Bioscience, Biotechnology, and Biochemistry
Online ISSN : 1347-6947
Print ISSN : 0916-8451
Microbiology & Fermentation Technology Notes
Coenzyme Specificity of Enzymes in the Oxidative Pentose Phosphate Pathway of Gluconobacter oxydans
Naoto TONOUCHIMasakazu SUGIYAMAKenzo YOKOZEKI
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JOURNALS FREE ACCESS

2003 Volume 67 Issue 12 Pages 2648-2651

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Abstract

  The coenzyme specificity of enzymes in the oxidative pentose phosphate pathway of Gluconobacter oxydans was investigated. By investigation of the activities of glucose-6-phosphate dehydrogenase (G6PDH) and 6-phosphogluconate dehydrogenase (6PGDH) in the soluble fraction of G. oxydans, and cloning and expression of genes in Escherichia coli, it was found that both G6PDH and 6PGDH have NAD/NADP dual coenzyme specificities. It was suggested that the pentose phosphate pathway is responsible for NADH regeneration in G. oxydans.

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© 2003 by Japan Society for Bioscience, Biotechnology, and Agrochemistry
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