Auxin-induced ethylene production by mungbean hypocotyl segments
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概要
- 論文の詳細を見る
Auxin induced an increase in the rate of ethylene production by hypocotyl segments of etiolated mungbean seedlings after a 1 hr lag period. The increase in the production rate was greatest with segments immediately below the cotyledonary hook. Effective concentrations of indoleacetic acid ranged from 1 μM to 0.5 mM. Length of the lag period was the same regardless of the interval between segment excision and the addition of auxin. Auxin-induced ethylene production was inhibited by cycloheximide but not by chloramphenicol. Auxin removal from, or cycloheximide addition to, segments actively producing ethylene in response to auxin caused a rapid decrease in the rate of ethylene production. These results suggest that the ethylene producing system induced by auxin is rapidly turning over and that auxin acts at two sites to increase ethylene production.
- 日本植物生理学会の論文
著者
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Sakai Shingo
Institute For Biochemical Regulation Faculty Of Agriculture Nagoya University
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IMASEKI HIDEMASA
Institute for Biochemical Regulation, Faculty of Agriculture, Nagoya University
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Imaseki Hidemasa
Institute For Biochemical Regulation Faculty Of Agriculture Nagoya University
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