BIOSYNTHESIS OF AVENIC ACID A, A FERRIC CHELATING SUBSTANCE SECRETED FROM AVENA SATIVA L.
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概要
- 論文の詳細を見る
The biosynthesis of avenic acid A was studied by feeding L-methionine-1-^<13>C or D, L-methionine-3,3,4,4-d_4 to iron-deficient oat roots (Avena sativa L. cv Amuri II). Both avenic acid A and 2'-deoxymugineic acid labeled with ^<13>C or ^2H were isolated from root-washings of the same plants. The ^<13>C-NMR elucidated that three molecules of L-methionine were incorporated into avenic acid A in the same way a as 2'-deoxymugineic acid. The ^2H-NMR spectra indicated that all deuteriums from the methionine were incorporated into 2'-deoxymugineic acid, but one of the deuteriums at C-4 was lost in avenic acid A. A possible biosynthetic pathway is L-methionine→→ 2'-deoxymugineic acid→avenic acid A.
- 公益社団法人日本薬学会の論文
- 1992-10-25
著者
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野本 享資
Suntory Institute for Bioorganic Research
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野本 亨資
東洋大生命科学
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馬 建鋒
Suntory Institute For Bioorganic Research
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