THE IMMEDIATE NUCLEOTIDE PRECURSOR, GUANOSINE TRIPHOSPHATE, IN THE RIBOFLAVIN BIOSYNTHETIC PATHWAY
スポンサーリンク
概要
- 論文の詳細を見る
In the present paper, the nucleotide precursor of riboflavin was investigated by experiments with labeled purines using non-growing cells of Eremothecium ashbyii. The added purines, at 10-4 M, were effectively incorporated into ribo-flavin at an early stage of riboflavin biosynthesis under the experimental conditions. In particular, both labeled xanthine and labeled guanine were specifically transported to guanosine nucleotides, GMP, GDP, GDP-Mannose and GTP, in the cource of the riboflavin biosynthesis. A comparison of specific activities of labeled guanosine nucleotides and labeled riboflavin indicated that the nucleotide precursor of riboflavin is guanosine triphosphate. From the results obtained, a biosynthetic pathway of riboflavin is proposed under “DISCUSSION.”
- 財団法人 学会誌刊行センターの論文
著者
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満田 久輝
京大農 食品工学
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満田 久輝
Laboratory of Nutritional Chemistry, Faculty of Agriculture, Kyoto University
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中島 謙二
Laboratory of Nutritional Chemistry, Faculty of Agriculture, Kyoto University
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灘本 知憲
Laboratory of Nutritional Chemistry, Faculty of Agriculture, Kyoto University
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中島 謙二
Laboratory of Nutritional Chemistry, Faculty of Agriculture, Kyoto Univeristy
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満田 久輝
Laboratory of Nutritional Chemistry, Department of Food Science and Technology, Faculty of Agriculture, Kyoto Univeristy
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