Effects of Acetylcholine on the Growth of the Vigna Seedling

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概要

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• Acetylcholine applied to cotyledons influenced the growth pattern of etiolated seedlings of Vigna sesquipedalis in a specific manner. The reagent as well as red light suppressed hypocotyl growth and simultanously promoted epicotyl growth. Such effects were not found with choline. Neostigmine, a potent inhibitor of cholinesterases from plants, caused fundamentally the same effects as acetylcholine. Atropine, an acetylcholine antagonist in animals showed effects opposite to those of acetylcholine or neostigmine. Atropine also partially negated the red light-induced effects. Indole-3-acetic acid, kinetin and gibberellic acid could not produce effects like those of cholinergic reagents. From these results, it was surmised that acetylcholine as a growth substance in the Vigna seedling regulates the transition from hypocotyl growth to subsequent epicotyl growth.

• 日本植物生理学会の論文

著者

• Hoshino Toshiaki

  Biological Institute Nagoya University

関連論文

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• Identification of Acetylcholine as a Natural Constituent of Vigna Seedlings
• Simulation of acetylcholine action by ,β-indole acetic acid in inducing diurnal change of floral response to chilling under continuous light in Lemna gibba G3
• Effects of Acetylcholine on the Growth of the Vigna Seedling
• Diurnal change in temperature sensitivity of Lemna gibba G3 induced by acetylcholine in continuous light
• The occurrence of acetylcholine in Lemna gibba G3

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