Metabolism of Choline Chloride and Its Analogs in Wheat Seedlings |
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| Authors: | Che, Fang-Sik Cho, Chol Hyeon, Sung-Be Isogai, Akira Suzuki, Akinori |
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| Affiliation: | Department of Agricultural Chemistry, The University of Tokyo Bunkyo-ku, Tokyo, 113 Japan |
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| Abstract: | The incorporation rate of choline chloride and allylcholinebromide into wheat protoplasts were rapid compared with theincorporation rate of benzylcholine bromide. Choline chloridewas metabolized via two pathways: choline  betaine and choline phosphorylcholine phos-phatidylcholine. Allylcholine bromidewas metabolized via only one pathway: allylcholine phosphorylallylcholine phosphatidylallylcholine, and benzylcholine bromide was notmetabolized at all. These results suggest that the stimulationof photosynthesis (Hyeon et al. 1988) by these compounds iscaused directly by these choline analogs and not by their metabolites. (Received June 29, 1989; Accepted October 20, 1989) |
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