A5016955941- Mycorrhizal Fungi and Plant Interactions
- Plant nutrient uptake and metabolism
- Legume Nitrogen Fixing Symbiosis
- Forest Ecology and Biodiversity Studies
- Fungal Biology and Applications
- Soil Carbon and Nitrogen Dynamics
- Invertebrate Taxonomy and Ecology
- Constructed Wetlands for Wastewater Treatment
- Phytase and its Applications
- Biocrusts and Microbial Ecology
- Biological Activity of Diterpenoids and Biflavonoids
- Polysaccharides and Plant Cell Walls
- Lichen and fungal ecology
- Agronomic Practices and Intercropping Systems
Ecologie fonctionnelle & biogéochimie des sols & des agro-systèmes
2012-2023
Commonwealth Scientific and Industrial Research Organisation
2017-2021
Health Sciences and Nutrition
2017-2021
Institut Agro Montpellier
2018
Université de Montpellier
2018
Centre de Coopération Internationale en Recherche Agronomique pour le Développement
2018
Institut de Recherche pour le Développement
2018
Institut National de la Recherche Agronomique
2013-2014
Summary Mycorrhizal associations are known to improve the hydro‐mineral nutrition of their host plants. However, importance mycorrhizal symbiosis for plant potassium has so far been poorly studied. We therefore investigated impact ectomycorrhizal fungus H ebeloma cylindrosporum on P inus pinaster and examined involvement fungal transporter c T rk1. rk1 transcripts proteins were localized in ectomycorrhizas using situ hybridization EGFP translational fusion constructs. Importantly, an...
Through a mutualistic relationship with woody plant roots, ectomycorrhizal fungi provide growth-limiting nutrients, including inorganic phosphate (Pi), to their host. Reciprocal trades occur at the Hartig net, which is symbiotic interface of ectomycorrhizas where two partners are symplasmically isolated. Fungal Pi must be exported interface, but proteins facilitating this transfer unknown. In present study, we combined transcriptomic, microscopy, whole physiology, X-ray fluorescence mapping,...
Ectomycorrhizal (ECM) association can improve plant phosphorus (P) nutrition. Polyphosphates (polyP) synthesized in distant fungal cells after P uptake may contribute to supply from the fungus host if they are hydrolyzed phosphate ECM roots then transferred when required. In this study, we addressed hypothesis for Hebeloma cylindrosporum grown vitro and incubated without or with (Pinus pinaster) non-host (Zea mays) plants, using an experimental system simulating symbiotic interface. We used...
Differences in root morphology and acclimation to low-phosphorus (P) soil were examined among eight legume species from the Trifolium Section Tricocephalum understand how these attributes determine P acquisition. Ornithopus sativus was included as a highly P-efficient benchmark species. Plants grown microswards pots with five rates of supplied topsoil layer mimic uneven distribution within field profile. Topsoil subsoil roots harvested separately enable measurement nutrient-foraging...
Ectomycorrhizal fungi improve tree phosphorus nutrition through transporters specifically localized at soil-hyphae and symbiotic interfaces. In the model symbiosis between fungus Hebeloma cylindrosporum maritime pine (Pinus pinaster), several possibly involved in phosphate fluxes were identified, including three H+:Pi transporters. Among these three, we recently unraveled function of one them, named HcPT2, both pure culture interaction with P. pinaster. Here investigated transporter HcPT1.2,...
ou non, émanant des établissements d'enseignement et de recherche français étrangers, laboratoires publics privés.
Mycorrhizal fungi are ubiquitous in agroecosystems and form symbiotic associations that contribute to the phosphorus (P) acquisition of many plants. The impact mycorrhizas is most pronounced P-deficient soil commonly involves modifications root morphology colonised However, consequences mycorrhizal colonisation on acclimation responses P stress not well described. Five annual pasture legumes, with differing morphologies, were grown determine effect shoot yield, uptake. Micro-swards each...
des établissements d'enseignement et de recherche français ou étrangers, laboratoires publics privés.
des établissements d'enseignement et de recherche français ou étrangers, laboratoires publics privés.
Ectomycorrhizal (ECM) fungi are associated with the roots of woody plants in temperate and boreal forests help them to acquire water nutrients, particularly phosphorus (P). However, molecular mechanisms responsible for transfer P from fungus plant ectomycorrhizae still poorly understood. In model association between ECM Hebeloma cylindrosporum its host Pinus pinaster , we have shown that fungus, which possesses three H+:Pi symporters (HcPT1.1, HcPT1.2 HcPT2), expresses mainly HcPT1.1 HcPT2...