Fils d'Ariane

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Trees and responses to hydric and environmental constraints

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Team Leader: Prof. Stéphane Maury


University researchers: Dr Sylvain Bourgerie (HDR), Prof. Franck Brignolas, Dr Muriel Feinard-Duranceau (associate), Dr Régis Fichot, Prof. Stéphane Maury, Dr Domenico Morabito (HDR), Dr Cécile Vincent-Barbaroux

Research Technicians and Engineers: Louise Beaudonnat, David Chassagnaud, Alain Delaunay, Isabelle Le Jan, Dr Marta Sena-Velez

Ph.D. students and Postdocs: Yassine Chafik, Alexandre Duplan, Hugo Hénaut, Dr Florian Mouret


The overarching research theme of ARCHE is the study of ecological, physiological, and molecular determinants involved in plant acclimation, resilience, and adaptation in a context of global changes. The group comprises three thematic axes (Ecophysiology, Epigenetics and Phytomanagement) thus addressing questions at varying scales, but the core of the research work focuses on trees, water deficit and soil pollution (see Figure 1). Most studies are conducted on a common biological model, namely poplars and trees from the Salicaceae family, for which the group has a long-standing history and has been renowned for 20 years. Poplar has for long been identified by the scientific community as a model for tree studies since its genome sequencing. Its high susceptibility to water deficit and importance in the wood industry combined with other practical reasons such as fast juvenile growth and ease of clonal propagation make it a convenient and relevant model for tree studies. This common biological model ensures the overall unity within the research group and favours interactions between thematic axes.

ARCHE topics

Figure 1: General overview of topics, questions, disciplines and methods covered by the ‘ARCHE’ research team. (Created with, agreement number AR24IU41AD)
Bibliography P2E (ex-LBLGC) ARCHE team:
The three thematic axes of ARCHE:
1- Ecophysiology of tree responses to water deficit
2- Epigenetics as a component of phenotypic plasticity and adaptation in response to water deficit in forest trees
3- Phytomanagement and ecorestoration of higly anthropized environments