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Plant Cell Environ. 2000 Jul;23(7):665-74.

Ion channels and the transduction of light signals.

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Department of Botany, University of Wisconsin, Madison 53706, USA.
OH St U, Columbus


Studies of biological light-sensing mechanisms are revealing important roles for ion channels. Photosensory transduction in plants is no exception. In this article, the evidence that ion channels perform such signal-transducing functions in the complex array of mechanisms that bring about plant photomorphogenesis will be reviewed and discussed. The examples selected for discussion range from light-gradient detection in unicellular algae to the photocontrol of stem growth in Arabidopsis. Also included is some discussion of the technical aspects of studies that combine electrophysiology and photobiology.

[Indexed for MEDLINE]
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