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. 1968 Mar;95(3):925–931. doi: 10.1128/jb.95.3.925-931.1968

Regulation of Pentitol Metabolism by Aerobacter aerogenes I. Coordinate Control of Ribitol Dehydrogenase and d-Ribulokinase Activities

Theresa M Bisson 1, Robert P Mortlock 1
PMCID: PMC252111  PMID: 5643065

Abstract

Induction studies on Aerobacter aerogenes strain PRL-R3, using ribitol as the inducer-substrate, indicated that two enzymes of ribitol catabolism, ribitol dehydrogenase and d-ribulokinase, are coordinately induced. The utilization of d-arabinose as a substrate resulted in the induction of ribitol dehydrogenase as well as d-ribulokinase. Mutants which were constitutive for ribitol dehydrogenase were also constitutive for d-ribulokinase. In contrast, d-xylulokinase and d-arabitol dehydrogenase did not appear to be coordinately controlled. Induction studies and examination of d-arabitol dehydrogenase constitutive mutants indicated that the three enzymes of the converging pathways for d-arabitol and d-xylose catabolism are under separate control.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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