Chloé Delmas

Tél : +33 5 57 12 26 36
Mail : chloe.delmas@inrae.fr
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Professional experiences and educational background

• Since 2023 : Research director (DR2), INRAE, UMR SAVE (Santé et Agroécologie du vignoble), Bordeaux, France.
• 2017-2022: Research scientist (CR1), INRA, UMR SAVE (Santé et Agroécologie du vignoble), Bordeaux, France.
• 2015 - 2017: Postdoctoral researcher in integrative ecology, LabEx COTE, University of Bordeaux fellowship. VIVALDI project: Vineyard ecosystem vulnerability to pathogens and drought in the context of climate change.
• 2013 - 2015: Postdoctoral researcher in the evolutionary ecology of plant-pathogen interactions at INRA, UMR SAVE, Bordeaux, France with François Delmotte.
• 2012: Postdoctoral research conducted on the evolutionary ecology of reproductive traits, University of Sydney / National Herbarium of NSW (Royal Botanic Gardens and Domain Trust), Sydney, Australia with: Maurizio Rossetto & Glenda Wardle.
• 2009-2011: PhD in “Ecology, biodiversity and evolution” defended in January 2012, University of Toulouse, France: Plant-pollinator interactions and mating system in fragmented habitat - The case study of a mass-flowering shrub. Supervisors: A. Pornon & N. Escaravage.
• 2008: Master in “Plant functional biology and ecology”, University of Bordeaux, France (Density in tree invasion : thesis realized at York University, Toronto under the supervision of C. Lortie)

Research interests

My research uses experimental and field approaches in plant ecology, plant physiology and pathogen evolution to answer fundamental questions regarding the impacts of the environment on biotic interactions and trait evolution in the context of global changes.

More specifically, I’m currently doing research on the impact of abiotic and biotic factors on grapevine physiology to understand the underlying mechanisms of grapevine dieback (especially esca x drought/climate).

Project coordination:

-       2022-2024. CLIMESCA (FranceAgriMer/CNIV) « Modélisation de la dynamique climatique de l’esca : identification des facteurs de risque entre cépages et régions de France ».

-       2022-2024. XYLOSAFE (Institut Carnot Plant2Pro). « Validation d'un modèle de résistance aux maladies du bois dans un contexte d'amélioration variétale chez la vigne ».

-       2021-2024. VITIPIN (Région Nouvelle Aquitaine, projet recherche) « Identification des mécanismes sous-jacents à la baisse de productivité et de la mortalité des plantes dans un contexte de changement global ».

-       2021-2024. ESCAPADE (FranceAgriMer/CNIV) : « Quantification du dépérissement de la vigne à l’échelle globale : identification des mécanismes biotiques et abiotiques ».

-       2017-2021. PHYSIOPATH (FranceAgriMer/CNIV). « Identification des mécanismes sous-jacents au dépérissement de la vigne : de la physiologie à la pathologie ».

-      2015-2017. VIVALDI. LabEx COTE (Université de Bordeaux). « Vineyard ecosystem vulnerability to pathogens and drought in the context of climate change ».

PhD students

Pierre Gastou (2022-) « Grapevine susceptibility to trunk diseases : exploring the underlying mechanisms in a range of Vitis vinifera cultivars by a physiopathological approach». bourse MESRI (Université de Bordeaux, concours ED304)

Ninon Dell’Acqua (2021-) « Understanding plant-pathogen interactions and the role of transpiration during vascular pathogenesis in grapevines », Co-supervised with Greg Gambetta (UMR EGFV). Funded by the ESCAPADE & VITIPIN projects

Giovanni Bortolami (2017-2021): The effect of pathogens on the water and carbon economy of grapevines: implications for the grapevine dieback crisis. Co-supervised with Greg Gambetta (UMR EGFV). Funded by the PHYSIOPATH project

Publications significatives

Vacher C., Francioni C., Michel M., Fort T., Faivre d'Arcier J., Chancerel E., Delmotte F., Delmas C.E.L. Fungal metabarcoding data for two grapevine varieties (Regent and Vitis vinifera L. cv. Cabernet-Sauvignon) inoculated with powdery mildew (Erysiphe necator) under drought conditions. Phytobiomes Journal, 6 : 358-367.

Bortolami G., Gambetta G.A., Cassan C., Dayer S., Farolfi E., Ferrer N., Gibon, Y., Jolivet J., Lecomte P., Delmas C.E.L. (2021) Grapevines under drought do not express esca leaf symptoms, Proceedings of the National Academy of Sciences, 118 (43) e2112825118

Bortolami G., Farolfi E., Badel E., Burlett R., Cochard H., Ferrer N., King A., Lamarque L.J., Lecomte P., Marchesseau-Marchal M., Pouzoulet J., Torres-Ruiz J.M., Trueba S., Delzon S., Gambetta G.A., Delmas C.E.L. (2021) Seasonal and long-term consequences of esca grapevine disease on stem xylem integrity. Journal of Experimental Botany, 72, 3914–3928

Pouzoulet J., Rolshausen P.E., Charbois R., Chen J., Guillaumie S., Ollat N., Gambetta G.A., Delmas C.E.L. (2020) Behind the Curtain of the Compartmentalization Process: Exploring How Xylem Vessel Diameter Impacts Vascular Pathogen Resistance. Plant, Cell & Environment, 43, 2782–2796.

Bortolami G, Gambetta GA, Delzon S, Lamarque LJ, Pouzoulet J, Badel E, Burlett R, Charrier G, Cochard H, Dayer S, Jansen S, King A, Lecomte P, Lens F, Torres-Ruiz JM, Delmas C.E.L. (2019) Exploring the hydraulic failure hypothesis of esca leaf symptom formation. Plant Physiology, 181: 1163-1174.

Charrier G, Delzon S, Domec JC, Zhang L, Delmas C.E.L., Merlin I, Corso D, Ojeda H, Ollat N, Prieto JA, Scholach T, Skinner P, van Leeuwen K, Gambetta GA. (2018) Drought will not leave your glass empty: Low risk of hydraulic failure revealed by long-term drought observations in world’s top wine regions. Science Advances, 4: eaao6969.