Nuclear envelope : a new frontier in plant mechanosensing ? - Archive ouverte HAL
Article Dans Une Revue (Article De Synthèse) Biophysical Reviews Année : 2017

Nuclear envelope : a new frontier in plant mechanosensing ?

Kateryna Fal
A Asnacios
Olivier Hamant

Résumé

In animals, it is now well established that forces applied at the cell surface are propagated through the cytoskeleton to the nucleus, leading to deformations of the nuclear structure and, potentially, to modification of gene expression. Consistently, altered nuclear mechanics has been related to many genetic disorders, such as muscular dystrophy, cardiomyopathy and progeria. In plants, the integration of mechanical signals in cell and developmental biology has also made great progress. Yet, while the link between cell wall stresses and cytoskeleton is consolidated, such cortical mechanical cues have not been integrated with the nucleoskeleton. Here, we propose to take inspiration from studies on animal nuclei to identify relevant methods amenable to probing nucleus mechanics and deformation in plant cells, with a focus on microrheology. To identify potential molecular targets, we also compare the players at the nuclear envelope, namely lamina and LINC complex, in both plant and animal nuclei. Understanding how mechanical signals are transduced to the nucleus across kingdoms will likely have essential implications in development (e.g. how mechanical cues add robustness to gene expression patterns), in the nucleoskeleton–cytoskeleton nexus (e.g. how stress is propagated in turgid/walled cells), as well as in transcriptional control, chromatin biology and epigenetics.
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Dates et versions

hal-01581792 , version 1 (06-08-2024)

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Kateryna Fal, A Asnacios, Marie-Edith Chaboute, Olivier Hamant. Nuclear envelope : a new frontier in plant mechanosensing ?. Biophysical Reviews, 2017, 9 (4), pp.389-403. ⟨10.1007/s12551-017-0302-6⟩. ⟨hal-01581792⟩
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