Distinct physiological roles of two membrane-bound dehydrogenases responsible for D-sorbitol oxidation in Gluconobacter frateurii.

doi:10.1271/bbb.70720

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Article

Distinct physiological roles of two membrane-bound dehydrogenases responsible for D-sorbitol oxidation in Gluconobacter frateurii.

Bioscience, biotechnology, and biochemistry - 1 Mar 2008

Soemphol Wichai, Adachi Osao, Matsushita Kazunobu, Toyama Hirohide

Abstract excerpt

Two different membrane-bound enzymes oxidizing D-sorbitol are found in Gluconobacter frateurii THD32: pyroloquinoline quinone-dependent glycerol dehydrogenase (PQQ-GLDH) and FAD-dependent D-sorbitol dehydrogenase (FAD-SLDH). In this study, FAD-SLDH appeared to be induced by L-sorbose. A mutant defective in both enzymes grew as well as the wild-type strain did, indicating that both enzymes are dispensable for...

Topics

Electron Transport Complex IV
Flavin-Adenine Dinucleotide
Gluconobacter
Kinetics
Membrane Proteins
Mutation
Oxidation-Reduction
Oxidoreductases
PQQ Cofactor
Sorbitol
Sugar Alcohol Dehydrogenases

Source

Open in PubMed

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PMID: 18323643
DOI: 10.1271/bbb.70720

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