Early Biosynthetic Pathway to Abscisic Acid in Cercospora cruenta
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概要
- 論文の詳細を見る
A new biosynthetic intermediate of ABA, (2Z, 4E)-γ-ionylideneacetaldehyde, was isolated from young mycelia of Cercospora cruenta. Under an ^<18>O_2 atmosphere, an oxygen atom of this endogenous aldehyde was exclusively labeled. Similarly, three ^<18>O atoms were incorporated into the ABA molecule recovered after prolonged incubation ; selectively labeled were one of the carboxyl oxygen atoms and the two on the ring portion of ABA. A feeding experiment with [1-^<13>C] glucose proved the exclusive operation of the mevalonate pathway for the formation of both ABA and β-carotene. These results suggest that (2Z, 4E)-γ-ionylideneacetaldehyde can be a key ABA biosynthetic intermediate formed by the oxidative cleavage of a carotenoid precursor.
- 社団法人日本農芸化学会の論文
- 2000-10-23
著者
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Yamamoto H
Life Science Development Center Cpi Company Daicel Chemical Industries Ltd. Tsukuba Research Center
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Inomata Masahiro
Faculty Of Agriculture Niigata University
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Yamamoto Hiroaki
Life Science Development Center Cpi Company Daicel Chemical Industries Ltd. Tsukuba Research Center
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Nakamura M
Riken The Inst. Physical And Chemical Res. Saitama Jpn
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Uchiyama T
Department Of Applied Biological Chemistry Faculty Of Agriculture Niigata University
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Uchiyama Takeo
Faculty Of Agriculture Niigata University
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YAMAMOTO Hirotaka
Faculty of Agriculture, Niigata University
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ORITANI Takayuki
Graduate School of Agricultural Science, Tohoku University
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TSUCHIYA Shinobu
Faculty of Agriculture, Niigata University
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NAKAMURA Makoto
Faculty of Agriculture, Niigata University
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Yamashita H
Mathematical Systems Inc.
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Uchiyama T
Faculty Of Agriculture Niigata University
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Oritani T
Laboratory Of Applied Bioorganic Chemistry Division Of Bioscience & Biotechnology For Future Bio
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Tsuchiya S
Tokyo Univ. Agriculture And Technol. Tokyo Jpn
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Yamamoto Hirotaka
Faculty Of Agriculture Niigata University
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