CE45 - Interfaces: mathématiques, sciences du numérique –biologie, santé

Model and reality of radial root water transport – EAUDISSECT

Submission summary

Water uptake by the roots of land plants is a key process for plant survival (and, indirectly, for our survival as well). In the actual context of climate change, water scarcity and water usage conflicts put pressure on farming conditions. A better understanding of water transport from outside of the plants to the inside and all throughout their tissues is likely to bring groundbreaking inputs for fundamental and applied research related to how plants work and adapt.
The first step of this transport is called “radial water transport”, during which water flows from the substrate through the various tissues of the root, and into the xylem vessels, which are conductive tissues that will export this water to the rest of the body.
From a research perspective radial water transport has been considered alternatively as a biological process or as a physical process. Each approach lacks insights from the other. Our project lies at the interface between both, and will try to establish new links between mathematical modeling and in vivo situations.
The objectives of Eaudissect are to:
1. Establish a model of radial water transport of a new type
2. Improve our capacity to measure hydraulic properties of all tissues crossed by water in the root during the uptake
3. Establish methods to validate the predictions of the mathematical model

Project coordination

Yann BOURSIAC (Institut national de recherche pour l'agriculture, l'alimentation et l'environnement)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


L2C Université de Montpellier
IPSiM Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Centre national de la recherche scientifique
ChimEco Centre national de la recherche scientifique

Help of the ANR 496,576 euros
Beginning and duration of the scientific project: December 2022 - 42 Months

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