Comparative Study of the Metabolism of 1-Aminocyclopropane-1-carboxylic Acid and Senescence of Water-Stressed and ABA-Treated Excised Rice Leaves
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概要
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Changes in the metabolism of 1-aminocyclopropane-1-carboxylic acid (ACC) during senescence in the light in turgid, water-stressed, and ABA-treated, excised rice leaves were examined. The decreases in levels of Chl and protein were more rapid in the water-stressed and in the ABA-treated leaves than in the turgid leaves. In turgid leaves, levels of proline remained very low, but they increased considerably as a result of water stress or treatment with ABA. The production of ethylene was strongly inhibited by water stress and by ABA through the inhibition of the synthesis of ACC and/or the conversion of ACC to ethylene. In turgid leaves, the level of 1-(malonylamino)cyclopropane-1-carboxylic acid (MACC) increased with time during incubation in the light. Water stress resulted in a pattern of accumulation of MACC similar to that in the turgid control. However, ABA blocked the malonylation of ACC.
- 日本植物生理学会の論文
著者
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Chen C
National Taiwan Univ. Taipei Twn
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Chen Chien
Department of Agronomy, National Taiwan University
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Kao Ching
Department of Agronomy, National Taiwan University
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Kao Ching
Department Of Agronomy National Taiwan University
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Chen Chien
Department Of Agronomy National Taiwan University
関連論文
- Comparative Study of the Metabolism of 1-Aminocyclopropane-1-carboxylic Acid and Senescence of Water-Stressed and ABA-Treated Excised Rice Leaves
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