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Article

An Integrative Study Showing the Adaptation to Sub-Optimal Growth Conditions of Natural Populations of Arabidopsis thaliana: A Focus on Cell Wall Changes

1
Laboratoire de Recherche en Sciences Végétales, Université de Toulouse, CNRS, UPS, 24 chemin de Borde Rouge, 31320 Auzeville-Tolosane, France
2
PAPPSO, Université Paris-Saclay, INRAE, CNRS, AgroParisTech, GQE-Le Moulon, 91190 Gif-sur-Yvette, France
3
Institut de Mathématiques de Toulouse, Université de Toulouse, CNRS, UPS, UMR 5219, 31062 Toulouse, France
*
Authors to whom correspondence should be addressed.
Cells 2020, 9(10), 2249; https://doi.org/10.3390/cells9102249
Received: 2 September 2020 / Revised: 28 September 2020 / Accepted: 3 October 2020 / Published: 7 October 2020
(This article belongs to the Special Issue Research on Plant Cell Wall Biology)
In the global warming context, plant adaptation occurs, but the underlying molecular mechanisms are poorly described. Studying natural variation of the model plant Arabidopsisthaliana adapted to various environments along an altitudinal gradient should contribute to the identification of new traits related to adaptation to contrasted growth conditions. The study was focused on the cell wall (CW) which plays major roles in the response to environmental changes. Rosettes and floral stems of four newly-described populations collected at different altitudinal levels in the Pyrenees Mountains were studied in laboratory conditions at two growth temperatures (22 vs. 15 °C) and compared to the well-described Col ecotype. Multi-omic analyses combining phenomics, metabolomics, CW proteomics, and transcriptomics were carried out to perform an integrative study to understand the mechanisms of plant adaptation to contrasted growth temperature. Different developmental responses of rosettes and floral stems were observed, especially at the CW level. In addition, specific population responses are shown in relation with their environment and their genetics. Candidate genes or proteins playing roles in the CW dynamics were identified and will deserve functional validation. Using a powerful framework of data integration has led to conclusions that could not have been reached using standard statistical approaches. View Full-Text
Keywords: Arabidopsis thaliana; cell wall; integrative study; natural variation; temperature adaptation Arabidopsis thaliana; cell wall; integrative study; natural variation; temperature adaptation
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MDPI and ACS Style

Duruflé, H.; Ranocha, P.; Balliau, T.; Zivy, M.; Albenne, C.; Burlat, V.; Déjean, S.; Jamet, E.; Dunand, C. An Integrative Study Showing the Adaptation to Sub-Optimal Growth Conditions of Natural Populations of Arabidopsis thaliana: A Focus on Cell Wall Changes. Cells 2020, 9, 2249. https://doi.org/10.3390/cells9102249

AMA Style

Duruflé H, Ranocha P, Balliau T, Zivy M, Albenne C, Burlat V, Déjean S, Jamet E, Dunand C. An Integrative Study Showing the Adaptation to Sub-Optimal Growth Conditions of Natural Populations of Arabidopsis thaliana: A Focus on Cell Wall Changes. Cells. 2020; 9(10):2249. https://doi.org/10.3390/cells9102249

Chicago/Turabian Style

Duruflé, Harold, Philippe Ranocha, Thierry Balliau, Michel Zivy, Cécile Albenne, Vincent Burlat, Sébastien Déjean, Elisabeth Jamet, and Christophe Dunand. 2020. "An Integrative Study Showing the Adaptation to Sub-Optimal Growth Conditions of Natural Populations of Arabidopsis thaliana: A Focus on Cell Wall Changes" Cells 9, no. 10: 2249. https://doi.org/10.3390/cells9102249

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