Objective All metazoans harbour considerable numbers of commensal microorganisms in the gut, named microbiota, that contribute to many aspects of normal host physiology. Scientific research has provided invaluable contributions to our understanding of the relationship between host and its microbiota; however, the molecular mechanisms through which the microbiota exerts its beneficial influence are still largely undefined. The meta’omics revolution is promoting an explosion of interest in how the gut bacterial community impacts physiology and propensity to disease. In addition, gnotobiotic model organisms provide unique opportunities to study host-microbiota interplay with a level of experimental control that is not achievable in human studies. The coupling of those two approaches should allow to pinpoint key mechanisms underlying this mutually beneficial relationship. This research proposal aims to use those approaches to understand the bacterial genetic pathways mediating host benefits. To this end, we will apply in vivo experimental evolution to mutualistic bacteria, using gnotobiotic animal models. The work will investigate the association between the host model Drosophila melanogaster and one of its most abundant commensal bacteria, Lactobacillus plantarum, which was demonstrated to be beneficial to its host physiology by promoting juvenile growth and maturation. Fields of science natural sciencesbiological sciencesmicrobiologybacteriologymedical and health scienceshealth sciencesnutritionmedical and health sciencesbasic medicinepathologymedical and health sciencesbasic medicinephysiologymedical and health sciencesclinical medicineembryology Programme(s) H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions Main Programme H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility Topic(s) MSCA-IF-2014-EF - Marie Skłodowska-Curie Individual Fellowships (IF-EF) Call for proposal H2020-MSCA-IF-2014 See other projects for this call Funding Scheme MSCA-IF-EF-ST - Standard EF Coordinator CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Net EU contribution € 173 076,00 Address RUE MICHEL ANGE 3 75794 Paris France See on map Region Ile-de-France Ile-de-France Paris Activity type Research Organisations Links Contact the organisation Opens in new window Website Opens in new window Participation in EU R&I programmes Opens in new window HORIZON collaboration network Opens in new window Total cost € 173 076,00
