Journal Article

Studies on Mechano-Perception in Characeae: Decrease in Electrical Membrane Resistance in Receptor Potentials

Teruo Shimmen

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 38, issue 11, pages 1298-1301
Published in print January 1997 | ISSN: 0032-0781
Published online January 1997 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029121
Studies on Mechano-Perception in Characeae: Decrease in Electrical Membrane Resistance in Receptor Potentials

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A polyacrylate chamber with three pools was developed to measure the changes in electrical membrane resistance during generation of receptor potentials upon mechanical stimulation in Chara internodal cells. The membrane resistance decreased at the peak of the receptor potentials. The present results support the hypothesis that the receptor potential is generated by activation of ion channel(s). This is the first success in demonstrating a change in the membrane resistance in receptor potential induced mechanically in plants.

Keywords: Chara; Mechano-perception; Membrane potential; Membrane resistance; Receptor potential

Journal Article.  0 words. 

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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