A genomic map of local adaptation in Arabidopsis thaliana to native non-pathogenic bacteria: from mono-infections to complex communities
2024
Roux, Fabrice | Ramírez-Sánchez, Daniela | Duflos, Rémi | Gibelin-Viala, Chrystel | Mayjonade, Baptiste | Zamar, Rémi | Frachon, Léa | Bartoli, Claudia | Vailleau, Fabienne | Laboratoire des Interactions Plantes Microbes Environnement (LIPME) ; Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | Agroécologie [Dijon] ; Université de Bourgogne (UB)-Université Bourgogne Franche-Comté [COMUE] (UBFC)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Dijon ; Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro) | Institut de Génétique, Environnement et Protection des Plantes (IGEPP) ; Université de Rennes (UR)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Institut Agro Rennes Angers ; Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)
National audience
Показать больше [+] Меньше [-]Английский. There is growing interest in the potential of harnessing the microbiome towards the improvement of plant health to achieve agricultural goals. To do so through plant breeding, requires a better understanding of the role of the host genome in modulating microbiota variation. In particular, there is a need to overcome the current limits on the description of host-microbiota interactions at the genomic and molecular levels. However, the host genetic architecture structuring microbiota is only partly described in plants. To dissect the genetic architecture driving adaptive plant-microbiota interactions, I will present the results of complementary approaches in association genetics applied on Arabidopsis thaliana: (i) a Genome-Environment Association (GEA) analysis on 141 whole-genome sequenced natural populations of A. thaliana characterized in situ for their leaf and root bacterial communities and a large set of non-microbial ecological factors (i.e., climate, soil, and plant communities), and (ii) a Genome-Wide Association study conducted in field conditions on 162 whole-genome sequenced accessions of A. thaliana inoculated with 13 native Plant Growth-Promoting Bacteria (PGPB) isolated from these populations. By combining these two approaches, we established a genomic map of local adaptation in A. thaliana to its native bacterial microbiota. Plant immunity appears as a major source of adaptive genetic variation structuring beneficial interactions between A. thaliana and the main members of its microbiota.
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Эту запись предоставил Institut national de la recherche agronomique