Epidermal Cells Do Not Contribute to Auxin-Induced Ethylene Production in Mung Bean Stem Sections
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概要
- 論文の詳細を見る
Auxin-induced and 1-aminocyclopropane-1-carboxylic acid (ACC)-dependent ethylene production in mung bean (Vigna radiata [L] Wilczek) hypocotyl sections, from which epidermis had been removed, was investigated. Ethylene production in hypocotyl sections without epidermis was induced by treatment with IAA, and also occurred from exogenously supplied ACC in the presence of 0.2 M mannitol. Isolated epidermal strips alone failed to produce substantial amounts of ethylene in response to IAA or from exogenous ACC. 3,4-[^<14>C]-Methionine was incorporated into both ACC and ethylene in peeled sections treated with IAA, but not in the isolated epidermal strips. Radioactive ACC, however, was detected in the epidermal strips separated from the unpeeled sections previously fed with 3,4-[^<14>C]-methionine in the presence of IAA. We conclude that the site of auxin-induced ethylene production is not in the epidermis, but in other hypocotyl cells, and that epidermal cells lack the activity which converts ACC to ethylene.
- 日本植物生理学会の論文
著者
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Imaseki Hidemasa
Research Institute for Biochemical Regulation, Faculty of Agriculture, Nagoya University
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Imaseki Hidemasa
Grad. Div. Biochem. Regulation Grad. Schl. Agricul. Sci. Nagoya Univ.
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Imaseki Hidemasa
Research Institute For Biochemical Regulation. School Of Agricultural Sciences Nagoya University:div
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Imaseki Hidemasa
Division Of Biological Regulation National Institute For Basic Biology
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Imaseki Hidemasa
Nagoya University
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Imaseki Hidemasa
Research Institute For Biochemical Regulation School Of Agricultural Sciences Nagoya University:depa
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Imaseki H
Nagoya University
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Imaseki Hidemasa
Research Institute For Biochemica Regulation Faculty Of Agriculture Nagoya University
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Todaka Isao
Research Institute for Biochemical Regulation, Faculty of Agriculture, Nagoya University
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Todaka I
Nagoya Univ.
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Todaka Isao
Research Institute For Biochemical Regulation Faculty Of Agriculture
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