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Calcium and plasma membrane force-gated ion channels behind development

Jean-Marie Frachisse 1, * Sébastien Thomine 1 Jean-Marc Allain 2, *
* Corresponding author
1 MINION - Approches intégratives du Transport Ionique
BioCell - Département Biologie Cellulaire
2 M3DISIM - Mathematical and Mechanical Modeling with Data Interaction in Simulations for Medicine
LMS - Laboratoire de mécanique des solides, Inria Saclay - Ile de France
Abstract : During development, tissues are submitted to high variation of compression and tension forces. The roles of the cell wall, the cytoskeleton, the turgor pressure and the cell geometry during this process have received due attention. In contrast, apart from its role in the establishment of turgor pressure, the involvement of the plasma membrane as a transducer of mechanical forces during development has been under studied. Force-gated (FG) or Mechanosensitive (MS) ion channels embedded in the bilayer represent 'per se' archetypal mechanosensor able to directly and instantaneously transduce membrane forces into electrical and calcium signals. We discuss here how their fine-tuning, combined with their ability to detect micro-curvature and local membrane tension, allows FG channels to transduce mechanical cues into developmental signals.
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Submitted on : Thursday, July 29, 2021 - 1:44:53 PM
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Jean-Marie Frachisse, Sébastien Thomine, Jean-Marc Allain. Calcium and plasma membrane force-gated ion channels behind development. Current Opinion in Plant Biology, Elsevier, 2019, 53, pp.57--64. ⟨10.1016/j.pbi.2019.10.006⟩. ⟨hal-02389243⟩

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