Integrative Mechanobiology of Growth and Architectural Development in Changing Mechanical Environments

Bruno Moulia 1 Christelle Der Loughian 1, 2 Renaud Bastien 1, 3 O. Martin 1 M. Rodriguez 1, 2 Delphine Gourcilleau 1 A. Barbacci 1 E. Badel 1 G. Franchel 1 C. Lenne 1 Patricia Roeckel-Drevet 1 Jean-Marc Allain 4 J. M. Frachisse 5 Emmanuel de Langre 2 C. Coutand 1 Nathalie Fournier-Leblanc 1 Jean-Louis Julien 1
1 PIAF - Laboratoire de Physique et Physiologie Intégratives de l'Arbre Fruitier et Forestier
2 LadHyX - Laboratoire d'hydrodynamique
3 MSC (UMR 7057) - Laboratoire Matière et Systèmes Complexes
4 LMS - Laboratoire de mécanique des solides
5 ISV - Institut des sciences du végétal
Abstract : Mechanosensitive control of plant growth is a major process shaping how terrestrial plants acclimate to the mechanical challenges set by wind, self-weight, and autostresses. Loads acting on the plant are distributed down to the tissues, following continuum mechanics. Mechanosensing, though, occurs within the cell, building up into integrated signals; yet the reviews on mechanosensing tend to address macroscopic and molecular responses, ignoring the biomechanical aspects of load distribution to tissues and reducing biological signal integration to a "mean plant cell." In this chapter, load distribution and biological signal integration are analyzed directly. The Sum of Strain Sensing model S 3 m is then discussed as a synthesis of the state of the art in quantitative deterministic knowledge and as a template for the development of an integrative and system mechanobiology.
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Submitted on : Friday, July 18, 2014 - 10:10:33 AM
Last modification on : Monday, May 27, 2019 - 6:24:02 PM

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Bruno Moulia, Christelle Der Loughian, Renaud Bastien, O. Martin, M. Rodriguez, et al.. Integrative Mechanobiology of Growth and Architectural Development in Changing Mechanical Environments. Przemyslaw Wojtaszek. Mechanical Integration of Plant Cells and Plants, Springer, pp.269-302, 2011, Signaling and Communication in Plants, 978-3-642-19090-2. ⟨10.1007/978-3-642-19091-9_11⟩. ⟨hal-01025576⟩

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