N-メチルトランスフェラーゼの多様性から考えるプリンアルカロイドの生合成(<特集>二次代謝)
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概要
- 論文の詳細を見る
Purine alkaloids, including caffeine (1,3,7-trimethylxanthine) and theobromine (3,7-dimethylxanthine) are found in varying quantities in the leaves, seeds and flowers of nearly 100 plants. It is interesting that only some species contain purine alkaloids, despite the distribution of these alkaloids in many genera. Caffeine synthase and the related methyltransferases belong to motif B' methyltransferase family. Most members of this family catalyze the formation of small molecule methyl esters, using s-adenosyl-L-methionine as a methyl donor and substrate with a carboxyl group as methyl acceptors. It is interesting to note that caffeine biosynthetic pathways seem to have evolved independently several times in plants.
- 2009-05-31
著者
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加藤 美砂子
お茶の水女子大
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加藤 美砂子
お茶の水女子大学大学院人間文化創成科学研究科
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加藤 美砂子
東大教養生物
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Kato Misako
Department of Biology, University of Tokyo
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KATO Misako
Dept. Biol., Ochanomizu Univ.
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Kato Misako
Department Of Biology Faculty Of Science Ochanomizu University
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Kato Misako
Graduate School Of Humanities And Sciences Ochanomizu University
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Kato Misako
Marine Biotechnology Institute Shimizulab.
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Kato Misako
Department Of Molecular Biology And Biochemistry Graduate School Of Lite Sciences Ochanomizu Univers
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