Methionine-induced Phytoalexin Production in Rice Leaves
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概要
- 論文の詳細を見る
The application of methionine on wounded rice leaves induced the production of rice phytoalexins, sakuranetin and momilactone A. This induction resulted from stimulation of phenylalanine ammonia-lyase and naringenin 7-O-methyltransferase activity. Jasmonic acid, ethylene, and active oxygen species are important as signal transducers in disease resistance mechanisms. However, although the endogenous level of jasmonic acid rapidly increased in reaction to wound, methionine treatment could not induced endogenous JA production. Ethylene induced the production of the flavonoid phytoalexin, sakuranetin, but did not induce the production of a terpenoid phytoalexin, momilactone A. On the other hand, a free radical scavenger, Tiron, counteracted the induction of both sakuranetin and momilactone A production in methionine-treated leaves. Active oxygen species may be important in methionine-induced production of phytoalexins.
- 社団法人日本農芸化学会の論文
- 2000-03-23
著者
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児玉 治
United Graduate School Of Agricultural Science Tokyo University Of Agriculture And Technology:colleg
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KODAMA Osamu
Laboratory of Agricultural Chemicals, Faculty of Agriculture, Ibaraki University
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HASEGAWA Morifumi
Laboratory of Phytochemical Ecology, College of Agriculture, Ibaraki University
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Kodama Osamu
Laboratory Of Agricultural Chemicals Faculty Of Agriculture Ibaraki University
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Kodama Osamu
Laboratory Of Phytochemical Ecology School Of Agriculture Ibaraki University:core Research Of Evolut
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Hasegawa Morifumi
Laboratory Of Phytochemical Ecology School Of Agriculture Ibaraki University:core Research Of Evolut
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Hasegawa Morifumi
Laboratory Of Phytochemical Ecology College Of Agriculture Ibaraki University
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TAMOGAMI Shigeru
Core Research of Evolutional Science and Technology of Japan, Science and Technology Corporation
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Tamogami Shigeru
Core Research Of Evolutional Science And Technology Of Japan Science And Technology Corporation Scho
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Tamogami Shigeru
Core Research Of Evolutional Science And Technology Of Japan Science And Technology Corporation
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NAKAZATO Yumiko
Laboratory of Phytochemical Ecology, School of Agriculture, Ibaraki University
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KAWAI Hiroshi
VISTA Co., Ltd.
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Kawai H
Tokyo Inst. Technol. Yokohama Jpn
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Nakazato Yumiko
Laboratory Of Phytochemical Ecology School Of Agriculture Ibaraki University:vista Co. Ltd.
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Hasegawa Morifumi
Laboratory of Agricultural Chemicals, Faculty of Agriculture, Ibaraki University
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