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Between Stress and Response: Function and Localization of Mechanosensitive Ca2+ Channels in Herbaceous and Perennial Plants

Université Clermont Auvergne, INRAE, PIAF, 63000 Clermont-Ferrand, France
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Academic Editor: Dorota Kwiatkowska
Int. J. Mol. Sci. 2021, 22(20), 11043; https://doi.org/10.3390/ijms222011043
Received: 15 September 2021 / Revised: 5 October 2021 / Accepted: 7 October 2021 / Published: 13 October 2021
(This article belongs to the Special Issue Plant Biomechanics)
Over the past three decades, how plants sense and respond to mechanical stress has become a flourishing field of research. The pivotal role of mechanosensing in organogenesis and acclimation was demonstrated in various plants, and links are emerging between gene regulatory networks and physical forces exerted on tissues. However, how plant cells convert physical signals into chemical signals remains unclear. Numerous studies have focused on the role played by mechanosensitive (MS) calcium ion channels MCA, Piezo and OSCA. To complement these data, we combined data mining and visualization approaches to compare the tissue-specific expression of these genes, taking advantage of recent single-cell RNA-sequencing data obtained in the root apex and the stem of Arabidopsis and the Populus stem. These analyses raise questions about the relationships between the localization of MS channels and the localization of stress and responses. Such tissue-specific expression studies could help to elucidate the functions of MS channels. Finally, we stress the need for a better understanding of such mechanisms in trees, which are facing mechanical challenges of much higher magnitudes and over much longer time scales than herbaceous plants, and we mention practical applications of plant responsiveness to mechanical stress in agriculture and forestry. View Full-Text
Keywords: biomechanics; mechanobiology; mechanosensing; thigmomorphogenesis; calcium channels; mechanosensitive channels; MCA; Piezo; OSCA biomechanics; mechanobiology; mechanosensing; thigmomorphogenesis; calcium channels; mechanosensitive channels; MCA; Piezo; OSCA
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MDPI and ACS Style

Hartmann, F.P.; Tinturier, E.; Julien, J.-L.; Leblanc-Fournier, N. Between Stress and Response: Function and Localization of Mechanosensitive Ca2+ Channels in Herbaceous and Perennial Plants. Int. J. Mol. Sci. 2021, 22, 11043. https://doi.org/10.3390/ijms222011043

AMA Style

Hartmann FP, Tinturier E, Julien J-L, Leblanc-Fournier N. Between Stress and Response: Function and Localization of Mechanosensitive Ca2+ Channels in Herbaceous and Perennial Plants. International Journal of Molecular Sciences. 2021; 22(20):11043. https://doi.org/10.3390/ijms222011043

Chicago/Turabian Style

Hartmann, Félix P., Erwan Tinturier, Jean-Louis Julien, and Nathalie Leblanc-Fournier. 2021. "Between Stress and Response: Function and Localization of Mechanosensitive Ca2+ Channels in Herbaceous and Perennial Plants" International Journal of Molecular Sciences 22, no. 20: 11043. https://doi.org/10.3390/ijms222011043

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