Is membrane potential involved in calmodulin gene expression after external stimulation in plants?

FEBS Letters
A VianJ L Julien

Abstract

In Bidens pilosa (cv. radiata), a non-injurious stimulus induces a local and transient change in membrane potential, and an injurious stimulus induces a transmitted electrical signal described as the combination of an action potential and a slow wave. We have studied calmodulin gene expression after these stimuli. When the stimulus is non-injurious, calmodulin mRNA accumulation is only increased in the stimulated region. In contrast, when the stimulus is injurious, mRNA accumulation takes place in both wounded and distant, unwounded tissue. We propose that the slow wave plays a role in the long-distance transmission of a wound-induced information in plants.

Citations

Feb 22, 2014·Journal of Experimental Botany·Rosana LopezBruno Moulia
Mar 14, 2008·Bio Systems·Peter W Barlow
Sep 17, 2013·Physiologia Plantarum·Aude TixierJean-Louis Julien
Mar 1, 2006·Plant Signaling & Behavior·A VianG Ledoigt
Sep 1, 2006·Plant Signaling & Behavior·Alain Vian, Eric Davies
Apr 23, 2021·Journal of Plant Physiology·Jin-Hai LiLan Huang

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