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Laboratory of Plant-Microbe Interactions - LIPM

Laboratory of Plant-Microbe Interactions

Members - Ecological genomics of adaptation in plant communities

Fabrice Roux, CR CNRS

Fabrice Roux

Fabrice Roux obtained his Ph.D. in 2004 on the prevention and management of herbicide resistance using Arabidopsis thaliana as an experimental model (under the supervision of Xavier Reboud, laboratory of Biology and Management of Weeds, INRA Dijon). After his Ph.D., he spent one year as a junior lecturer in the laboratory of Genetics and Evolution of Plant Populations (GEPP, University of Lille 1) and worked on the evolution of early-flowering in plants. He then spent a too short period (only one year) in the laboratory of Joy Bergelson (University of Chicago), where he became interested in identifying the genetic basis of quantitative resistance in the pathosystem A. thaliana-Pseudomonas viridiflava. Recruited as a CNRS researcher in 2006 at the GEPP (University of Lille 1), he developed his own research theme on ecological genomics of adaptation in A. thaliana. In 2012, he then co-led the research theme 'Global change: from ecological genomics to community ecology’. The research of Fabrice mainly focused on (i) the identification of the genetic basis of complex adaptive traits with the desire to replace A. thaliana in an ecologically realistic context, and (ii) the study of adaptation at different spatial and temporal scales. Since July 2013, Fabrice joined the LIPM after obtaining a junior starting grant from the Labex TULIP (Toulouse). He is currently developing a project on ecological interactions of organism – organism interactions. He is particularly interested in identifying the genetic basis underlying coevolution in plant - pathogen and plant – plant interacting systems.


Baptiste Mayjonade, IE INRA

Baptiste Mayjonade

Baptiste obtained a Master degree at the University of Limoges in 2010. He spent two years in the laboratory of molecular biology of Limagrain Europe (Chappes). In the context of molecular breeding and marker-assisted selection, he developed molecular markers on crops. In 2012, he joined the LIPM to work on the genetics and genomics of response to biotic and abiotic stresses in sunflower. He was in charge of projects related to transcriptomics and genomics. He was also involved in the development of technologies in molecular biology. Since September 2015, he has a permanent position in the group of Fabrice Roux to work on the morphological and genomic characterization of plant communities and microbiomes.


Léa Frachon, PhD student

Léa Frachon

Léa obtained a Master degree in "Management and Evolution of Diversity" at the University of Lille 1 in 2013 where she has studied the impact of global change on plant communities and Apoidea communities in Northern France and Belgium. In April 2014, she started her PhD on the ecological genomics of organism – organism interactions at different spatial scales in the model species Arabidopsis thaliana (PhD fellowship from the LABEX TULIP and the Région Midi-Pyrénées, supervised by Fabrice Roux). More specifically, her PhD project focuses on the study of the adaptive potential of plant populations to deal with indirect effects of climate change, such as (i) an immigration of potentially pathogenic bacterial and fungal species and (ii) changes in plant communities. Based a multidisciplinary approach (population genomics, community ecology, in-situ experiments, GWA mapping and functional validation), Lea is mainly interested to identify (i) genes associated with descriptors of bacterial and fungal communities and (ii) genes associated with natural variation of response to competition.


Cyril Libourel, PhD student

Cyril Libourel

Cyril obtained a Bachelor degree in « Biology and Environment » in 2013 and started a Master program in « Ecology » in 2014 at the University Paul Sabatier of Toulouse. For his second year in the Master program, Cyril specialized in « Biodiversity, Ecology and Evolution ». During his 5-month internship, he used a Genome-Wide Association mapping approach to identify QTLs associated with the response to mono- and multi-specific competition in the model species Arabidopsis thaliana. Since October 2015, Cyril started a 3-year thesis on the same project (supervised by Fabrice Roux and Dominique Roby).