Journal of Nutritional Science and Vitaminology
Online ISSN : 1881-7742
Print ISSN : 0301-4800
ISSN-L : 0301-4800
Vitamin B6 Biosynthesis and Glycolate Reductase in Flavobacterium sp. 238-7
Yoshiki TANIHiroshi NISHISEHiroshi MORITAHideaki YAMADA
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1984 Volume 30 Issue 5 Pages 415-420

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Abstract
An enzyme which reduces glycolate to glycolaldehyde as the first step of the biosynthesis of vitamin B6 was studied using the particulate fraction of Flavobacterium sp. 238-7, a vitamin B6 producer. The enzyme catalyzes the reduction of glycolate in the presence of NADPH, but not the oxidation of glycolaldehyde, and is designated as glycolate reductase. There is a positive correlation between the activity of the enzyme and vitamin B6 biosynthesis. The activity and the formation of the enzyme were not affected by vitamin B6. This enzyme probably plays a role in the extraordinary accumulation of vitamin B6 by the bacterium.
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