Light‐ and Clock‐Controlled Leaflet Movements in Samanea saman: A Physiological, Biophysical and Biochemical Analysis

Ruth L. Satter; M. J. Morse; Youngsook Lee; Richard C. Crain; Gary G. Coté; Nava Moran

doi:10.1111/j.1438-8677.1988.tb00034.x

Light‐ and Clock‐Controlled Leaflet Movements in Samanea saman: A Physiological, Biophysical and Biochemical Analysis

Ruth L. Satter^*, M. J. Morse, Youngsook Lee, Richard C. Crain, Gary G. Coté, Nava Moran

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

Abstract

Leaflet movements in the legume Samanea saman are under joint control by light and a circadian oscillator. The movements are driven by massive fluxes of K⁺, Cl⁻, and H⁺ through pulvinar motor cell membranes. Light and the oscillator affect leaflet movements by altering the activity of ion transport systems. Some effects of light on ion transport may be mediated by the phosphatidylinositol (PI) cycle, since brief irradiation of the pulvinus with white light accelerates PI turnover. 1988 Deutsche Botanische Gesellschaft/German Botanical Society

Original language	English
Pages (from-to)	205-213
Number of pages	9
Journal	Botanica Acta
Volume	101
Issue number	3
DOIs	https://doi.org/10.1111/j.1438-8677.1988.tb00034.x
State	Published - Aug 1988
Externally published	Yes

Keywords

Leaf movements
PI cycle
circadian rhythm
ion transport
patch clamp
phototransduction
phytochrome

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10.1111/j.1438-8677.1988.tb00034.x

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abstract = "Leaflet movements in the legume Samanea saman are under joint control by light and a circadian oscillator. The movements are driven by massive fluxes of K+, Cl−, and H+ through pulvinar motor cell membranes. Light and the oscillator affect leaflet movements by altering the activity of ion transport systems. Some effects of light on ion transport may be mediated by the phosphatidylinositol (PI) cycle, since brief irradiation of the pulvinus with white light accelerates PI turnover. 1988 Deutsche Botanische Gesellschaft/German Botanical Society",

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AB - Leaflet movements in the legume Samanea saman are under joint control by light and a circadian oscillator. The movements are driven by massive fluxes of K+, Cl−, and H+ through pulvinar motor cell membranes. Light and the oscillator affect leaflet movements by altering the activity of ion transport systems. Some effects of light on ion transport may be mediated by the phosphatidylinositol (PI) cycle, since brief irradiation of the pulvinus with white light accelerates PI turnover. 1988 Deutsche Botanische Gesellschaft/German Botanical Society

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Light‐ and Clock‐Controlled Leaflet Movements in Samanea saman: A Physiological, Biophysical and Biochemical Analysis

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