Sensing forces in plants with mechanosensitive channels
Résumé
Plant as all living organisms are subjected to mechanical forces arising either from their environment or from inside their own body. From the environment mechanical cue are present through obstacles in the soil encountered by root or through rain wind and gravity exerting mechanical stimulations on aerial parts. From inside, forces result from the high osmotic pressure encountered in the cell and at shoot scale from the compression of inner tissues whilst outer tissues are under tension. To probe these forces, in order to control their development, organisms have develop very efficient mechanosensors: the mechanosensitive (MS) channels.