923a9610-e182-42e3-9002-5969e0c1f04e Axel BERINGUE ECOBIO UMR 6553 CNRS Université de Rennes 02-23-23 bat 14A, avenue du Général Leclerc - Campus Beaulieu Rennes Université Rennes 1 35042 France axel.beringue@univ-rennes.fr Data ECOBIO ECOBIO UMR 6553 CNRS Université de Rennes data.ecobio@univ-rennes1.fr 2025-12-03T15:23:44 ISO 19115:2003/19139 1.0 WGS 1984 Herbicide-induced metabolic changes in a plant-aphid system: How soil bacteria drive the fate and impact of an environmental dose of Isoproturon 2025-10-17 2025-10-20 https://www.osuris.fr/geonetwork/srv/metadata/923a9610-e182-42e3-9002-5969e0c1f04e The intensification of agriculture, based on massive use of pesticides, led to the widespread contamination of terrestrial ecosystems. Although soil contaminations with pesticide residues have been demonstrated, their impacts on terrestrial biotic interactions remain unclear. To address this matter, we studied the effects of an environmental dose of a photosynthesis inhibitor herbicide (isoproturon) on an isoproturon-degrading soil bacteria-poacea-aphid system in the lab, mimicking below and aboveground interactions within buffer strips. We found that isoproturon and its main degradation product flow through this system, accumulating in plant shoots. No macroscopic effect of the herbicide was observed but metabolic shifts occurred in both plants (especially when exposed for a short time) and phytophages. Inoculation of isoproturon-degrading bacteria in the substrate suppressed most of these effects but some metabolic reshuffles in the longer run suggest secondary effects of Isoproturon degradation products. Moreover, inoculation of the non-degrading bacterial strain also impacted plant metabolism, underlying the close link between soil microbiota and aboveground organisms. This study shows that pesticide residues can transfer in terrestrial trophic networks, altering the physiology of each biological level, and highlights the importance of considering plant-bacteria interactions when assessing the response of semi-natural ecosystems to chronic contamination. (2025-02-11) CNRS EC2CO: "BETROPH" Axel BERINGUE ECOBIO UMR 6553 CNRS Université de Rennes bat 14A, avenue du Général Leclerc - Campus Beaulieu Rennes Université Rennes 1 35042 France axel.beringue@univ-rennes.fr Cecile LE LANN ECOBIO UMR 6553 CNRS Université de Rennes bat 14A, avenue du Général Leclerc - Campus Beaulieu Rennes Université Rennes 1 35042 France cecile.lelann@univ-rennes.fr Cecile LE LANN ECOBIO UMR 6553 CNRS Université de Rennes bat 14A, avenue du Général Leclerc - Campus Beaulieu Rennes Université Rennes 1 35042 France cecile.lelann@univ-rennes.fr Cécile SULMON ECOBIO UMR 6553 CNRS Université de Rennes cecile.sulmon@univ-rennes.fr Lucie CASTEL INRAE data.ecobio@univ-rennes1.fr Edaphic exposure Environmental dose Metabolic responses Pesticide-degrading bacteria Plant-phytophage trophic interactions Ecotocicology ECOBIO Données ouvertes RENNES Installations de suivi environnemental Habitats et biotopes Répartition des espèces GEMET - INSPIRE themes, version 1.0 2008-06-01 geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme écologie scientifique évaluation environnementale GEMET 2012-07-20 geonetwork.thesaurus.external.theme.gemet Utilisation libre sous réserve de mentionner la source (a minima le nom du producteur) et la date de sa dernière mise à jour 5000 environment farming biota climatologyMeteorologyAtmosphere 2018-04-01 2022-04-30 -2.14178567 -1.28615705 47.75519305 48.7094795 CNRS EC2CO: "BETROPH" ESRI Shapefile 1.0 Data ECOBIO ECOBIO UMR 6553 CNRS Université de Rennes data.ecobio@univ-rennes1.fr https://data.indores.fr/dataset.xhtml?persistentId=doi:10.48579/PRO/TRX6VQ WWW:LINK-1.0-http--link Herbicide-induced metabolic changes in a plant-aphid system: How soil bacteria drive the fate and impact of an environmental dose of Isoproturon Lien vers le jeu de données COMMISSION REGULATION (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2025-10-14 true Données issues d'observation de terrain