Inhibition of Auxin-Induced Ethylene Production by Lycoricidinol
スポンサーリンク
概要
- 論文の詳細を見る
Lycoricidinol, a natural growth inhibitor isolated from bulbs of Lycoris radiata Herb. strongly suppressed auxin-induced ethylene production from the hypocotyl segments of etiolated mung bean (Vigna radiata Wilczek) seedlings. The inhibitor did not significantly inhibit ethylene formation from its immediate precursor, laminocyclopropane-l-carboxylic acid (ACC), during short-term (up to 4 h) incubation. The ACC content in tissue treated with IAA was reduced by lycoricidinol in close parallel with the inhibition of ethylene production. Examination of radioactive metabolites in tissues labeled with 3,4-^<14>C-methionine indicated that reduction of the ACC content was not due to any possible promotive effect of lycoricidinol on conjugation of ACC with malonate. Lycoricidinol showed no inhibitory effect on the activity of ACC synthase if applied in vitro, but it almost completely abolished the increase in the enzyme activity when applied in vitro during incubation of the tissue with IAA. Lycoricidinol also strongly inhibited incorporation of ^<14>C-leucine into protein in the tissue. The suppression of the enzyme induction and, in turn, that. of ethylene production by lycoricidinol were interpreted as being due to the inhibition of protein synthesis.
- 日本植物生理学会の論文
著者
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LEE June
Department of Materials Science & Engineering, Sungkyunkwan University
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Lee June
Department Of Advanced Materials Science And Engineering Sungkyunkwan University
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Kang Bin
Department of Biology, College of Science, Yonsei University
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Imaseki Hidemasa
Research Institute for Biochemical Regulation, Faculty of Agriculture, Nagoya University
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Lee June
Department Of Biology Yonsei University
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Oh Seung
Department Of Otolaryngology Seoul National University College Of Medicine
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Kang Bin
Department Of Biology College Of Science Yonsei University
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Oh Seung
Department Of Biology Yonsei University
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Horiuchi Yuko
Research Institute for Biochemical Regulation, Faculty of Agriculture, Nagoya University
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Imaseki Hidemasa
Research Institute For Biochemica Regulation Faculty Of Agriculture Nagoya University
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Horiuchi Yuko
Research Institute For Biochemical Regulation Faculty Of Agriculture Nagoya University
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