Journal Article

Studies on Mechano-Perception in Characean Cells: Development of a Monitoring Apparatus

Teruo Shimmen

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 37, issue 5, pages 591-597
Published in print July 1996 | ISSN: 0032-0781
e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a028986
Studies on Mechano-Perception in Characean Cells: Development of a Monitoring Apparatus

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An apparatus to monitor the electrical signal generated in Chara cells upon mechanical stimulation was developed. An internodal cell was stimulated by dropping a glass tubing with the intensity of the stimulus being controlled by changing either the weight of the glass tubing or the height from which it was dropped. Upon stimulation, a receptor potential was generated with the amplitude being dependent on the stimulus intensity. When the receptor potential reached a threshold value, an action potential was generated. The receptor potential and action potential were characterized. The usefulness of this apparatus for analyzing receptor potentials is discussed.

Keywords: Action potential; Chara; Characeae; Mechanical stimulus; Mechano-perception; Receptor potential

Journal Article.  0 words. 

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

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