Objectif Healthy soils containing sufficient mineral nutrition for plants are the basis for our natural ecosystems and food production. Nevertheless, a great proportion of our European soils are subjected to erosion and are infertile. For a better management, we need to better understand the mechanistic processes happening in soils at a nanoscale. Symbiotic arbuscular mycorrhizal fungi (AMF) are important for both soil aggregate built-up via their extensive hyphal network and protein production; and supply their host plants with nutrients, especially phosphorus (P). I will study the dynamics of soil aggregation with a rare earth element labelling approach, and the protein structure of AMF derived soil macroaggregates with the help of synchrotron radiation based microscopy. AMF produce a protein called glomalin which is highly correlated with soil stability, but we do not know the microscale role of this protein in soil aggregation yet. Concerning a sustainable P nutrition of plants, I will examine the role of AMF in acquisition of P from minerals and biochar. For this, I will apply Fourier-transformed infrared microscopy, with which I will measure removal of phosphate out of a thin surface layer on the Goethite and biochar. Concluding, I will evaluate possible consequences for soil management and soil ecosystem functioning. Champ scientifique natural sciencesbiological sciencesbiochemistrybiomoleculesproteinsnatural sciencesbiological sciencesmicrobiologymycologynatural sciencesphysical sciencesopticsmicroscopymedical and health scienceshealth sciencesnutritionnatural sciencesbiological sciencesecologyecosystems Programme(s) FP7-PEOPLE - Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) Thème(s) FP7-PEOPLE-2010-IEF - Marie-Curie Action: "Intra-European fellowships for career development" Appel à propositions FP7-PEOPLE-2010-IEF Voir d’autres projets de cet appel Régime de financement MC-IEF - Intra-European Fellowships (IEF) Coordinateur FREIE UNIVERSITAET BERLIN Contribution de l’UE € 168 863,20 Adresse KAISERSWERTHER STRASSE 16-18 14195 Berlin Allemagne Voir sur la carte Région Berlin Berlin Berlin Type d’activité Higher or Secondary Education Establishments Contact administratif Michael Hune (Mr.) Liens Contacter l’organisation Opens in new window Site web Opens in new window Coût total Aucune donnée