Rhythmic and Blue Light-Induced Turgor Movements and Electrical Potential in the Laminar Pulvinus of Phaseolus vulgaris L.

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概要

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• The well-known circadian movement in Phaseolus leaves is usually superimposed with small and somewhat irregular rhythmic changes of pulvinar movement. This study examines the relationship between these small pulvinar movements and the membrane potential of the motor cell as well as the effect of light on them. Blue light affected both the movements and potential while red and green lights of the same photon flux had little effect. Also, the difference in the membrane potential between the extensor and flexor cells was found to be closely related to the rhythmic turgor movement of the pulvinus. Changes in the potential difference always preceded the movement. Sequcntial changes of the potential difference and turgor pressure in the motor cells. including the light-induced ones, are discussed in relation to the leaf movement.

• 日本植物生理学会の論文

著者

• Nishizaki Y

  Kobe Gakuin Univ. Kobe Jpn

• Nishizaki Yuichiro

  Faculty Of General Education Kobe Gakuin University

関連論文

• Action Spectrum of Light Pulse-Induced Membrane Depolarization in Pulvinar Motor Cells of Phaseolus
• ACTION SPECTRUM OF LIGHT PULSE-INDUCEDELECTRIC POTENTIAL IN PULVINAR MOTOR CELLS OF PHASEOLUS
• Rhythmic and Blue Light-Induced Turgor Movements and Electrical Potential in the Laminar Pulvinus of Phaseolus vulgaris L.
• Light-Induced Changes of Electrical Potential in Pulvinar Motor Cells of Phaseolus vulgaris L

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