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24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018




Centre Alpin sur les Réseaux Trophiques et Ecosystèmes Lacustre

Domaizon Isabelle

Domaizon Isabelle
Research Director

Tél. : +33 (0)4 50 26 78 72
Fax : +33 (0)4 50 26 07 60
Mail : isabelle.domaizon[at]

Thématique(s) de recherche

Diversité, structure, fonctionnement des réseaux trophiques microbiens lacustres en réponse aux forçages anthropiques et climatiques
Questions abordées : Etude (i) de la diversité des communautés planctoniques (ii) des interactions et transferts trophiques s'établissant dans les réseaux planctoniques (iii) des facteurs de régulation qui affectent la dynamique, la structure, la diversité et l'activité des micro-organismes planctoniques.

Approches et outils : Approches limnologiques et paléolimnologiques, Approches expérimentales en microcosmes, mésocosmes ; et ADN environnemental (qPCR, séquençage massif & metabarcoding, FISH).

Parcours professionnel

Depuis Janvier 2020 : Directrice de l'Unité UMR CARRTEL

Depuis Janvier 2014 : DR2 INRAE.

De Janv 2016 à Janv 2019 Chef de département adjoint EFPA INRA

De Septembre 2009 à Dec 2003 CR1 INRA.
De Septembre 2000 à Septembre 2009 Maître de Conférences Université de Savoie UMR CARRTEL.
1999-2000 Chercheur contractuel Laboratoire de Biologie comparée des Protistes Université Blaise Pascal (Clermont II).
1996-98 : Attachée Temporaire à L’Enseignement et la Recherche Université Blaise Pascal (Clermont II).
1996-1999 : Doctorat d’Université Biologie des Populations et Ecologie Université Blaise Pascal.

Formation initiale et formation(s) caractéristique(s)

HDR ‘Biodiversité’ - Université de Savoie - mai 2010 : Les réseaux trophiques microbiens planctoniques : diversité, structure, fonctionnement en milieu lacustre
Doctorat d’Université Spécialité : Biologie des Populations et Ecologie - Janvier 1999 Université Blaise Pascal (Clermont II) Laboratoire de Biologie Comparée des Protistes UPRES A CNRS 6023.
Diplôme d’Etudes Approfondies Biologie Option : Protistologie Université Blaise Pascal (Clermont II).

Thèses et Post Doc encadrés (2007-2017)

 - Valentin Vasselon  : 2015-2017 Metabarcoding et bioindication : vers le biomonitoring moléculaire des diatomées co-encadrement A Bouchez

- Eric Capo : 2013-2016 Etude Paléo-écologique de la biodiversité microbienne lacustre

-Elodie Billard : 2011-2015 Etude des communautés microbiennes fonctionnelles benthiques impliquées dans le cycle du méthane

- Benoît Sotton : 2009-2012 Impact des efflorescences à cyanobactéries toxiques (Planktothrix rubescens) sur les populations de poissons (co-encadrement O. Anneville, J. Guillard)

Conférences récentes

Conférence plénière :

Domaizon Isabelle (2018) Application of DNA-based methods in paleolimnology: new opportunities for investigating long-term changes in lacustrine biodiversity. IPA-IAL 2018 - Unravelling the past and future of lakes - Stockholm June 18–21

Publications récentes

-Vasselon V., A. Bouchez, F. Rimet, S. Jacquet, R. Trobajo, M. Corniquel, K.Tapolczai & I. Domaizon (2018) Avoiding quantification bias in metabarcoding: Application of a cell biovolume correction factor in diatom molecular biomonitoring. Methods in Ecology and Evolution, 9(4): 1060-1069.


-Domaizon I., Winegardner A, Capo E, Gauthier J, I Gregory-Eaves (2017) DNA-based methods in paleolimnology: new opportunities for investigating long-term dynamics of lacustrine biodiversity. J. of paleolimnology DOI 10.1007/s10933-017-9958-y


- Capo E, Debroas D., Arnaud F, Perga ME, Chardon C, Domaizon I.  (2017) Tracking a century of changes in microbial eukaryotic diversity in lakes driven by nutrient enrichment and climate warming. Environmental Microbiology, 19(7):2873-2892 DOI: 10.1111/1462-2920.13815


- Debroas D., Domaizon I., Humbert J F, Jardillier L, Lepère C, et al. (2017) Overview of freshwater microbial eukaryotes diversity : a first analysis of publicly available metabarcoding data. FEMS Microbiology ecology 93(4)


-Monchamp, ME., Spaak, P., Domaizon, I., Dubois, N., Bouffard, D., Pomati, F., (2017). Homogenization of lake cyanobacterial communities over a century of climate change and eutrophication. Nature Ecology & Evolution. DOI: 10.1038/s41559-017-0407-0

- Capo E., Debroas D. et al , Domaizon I (2016) Long-term dynamics in microbial eukaryotes communities: a paleolimnological view based on sedimentary DNA. Molecular Ecology ,25(23):5925-5943. DOI: 10.1111/mec.13893


-Vasselon V., Domaizon I., Rimet, F, Kahlert M, Bouchez A (2017)  Application of high-throughput sequencing (HTS) metabarcoding to diatom biomonitoring: Do DNA extraction methods matter? Freshwater Science DOI: 10.1086/690649


- Kamenova S., Bartley TJ, Bohan D, Boutain JR, Colautti RI, Domaizon I, et al. (2017) ,Invasions toolkit: current methods for tracking the spread and impact of invasives species. Advances in Ecological research 56 DOI: 10.1016/bs.aecr.2016.10.009