Isolation and Identification of _L-Pipecolic Acid and Nicotinamide as Flower-Inducing Substances in Lemna
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概要
- 論文の詳細を見る
Flower-inducing factors in extracts of flowering Lemna gibba G3 were investigated using Lemna paucicostata 151 as the bioassay plant. Fractions with flower-inducing activity were obtained after several purification steps. Two of the active substances were identified as _L-pipecolic acid and nicotinamide by MS and NMR analyses. Both _L-pipecolic acid and nicotinamide exhibited flower-inducing activity in L. paucicostata 151 grown on one-tenth-strength M medium containing benzyladenine, the former being ten times as active as the latter. _L-Pipecolic acid was active even at 0.01 ppm (7.8 × 10^<-8> _M). The effect of _L-pipecolic acid on flowering strongly depended upon the presence of exogenous cytokinin. The coexistence of cytokinin seemed to be essential for _L-pipecolic acid to exhibit flower-inducing activity. In contrast, the effect of nicotinamide on flowering was basically the same as that of benzoic acid or nicotinic acid.
- 日本植物生理学会の論文
著者
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SAKURAI Akira
The Institute of Physical and Chemical Research
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YAMAGUCHI Isomaro
Department of Applied Biological Chemistry, The University of Tokyo
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MUROFUSHI Noboru
Department of Biotechnology, Akita Prefectural University
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FUJIOKA Shozo
The Institute of Physical and Chemical Research (RIKEN)
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Sakurai Akira
The Inst. Of Phys. And Chem. Res.
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Takahashi Nobutaka
The Institute of Physical and Chemical Research
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Takimoto Atsushi
Laboratory of Experimental Biology
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Yamaguchi Isomaro
Department Of Applied Biological Chemistry The University Of Tokyo
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Murofushi Noboru
Department Of Agricultural Chemistry The University Of Tokyo
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Yamaguchi Isomaro
Department Of Agricultural Chemistry Faculty Of Agricultural Science University Of Tokyo
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Kaihara Sumiko
Laboratory Of Applied Botany Faculty Of Agriculture Kyoto University
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Takimoto Atsushi
Laboratory Of Applied Botany Faculty Of Agriculture
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Yamaguchi I
Department Of Applied Biological Chemistry University Of Tokyo
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Fujioka Shozo
Plant Functions Laboratory The Institute Of Physical And Chemical Research (riken)
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Kaihara Sumiko
Department Of Agricultural Chemistry The University Of Tokyo
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Takimoto Atsushi
Laboratory of Applied Botany, Faculty of Agriculture, Kyoto University
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