Taxonomy and phylogeny of the Glomales.- Biodiversity and characterization of arbuscular mycorrhizal fungi at the molecular level.- Characterization of arbuscular mycorrhizal fungi by immunochemical methods.- European Bank of Glomales - An essential tool for efficient international and interdisciplinary collaboration.- Physiological characteristics of the host plant promoting an undisturbed functioning of the mycorrhizal symbiosis.- Recognition and infection process, basis for host specificity of arbuscular mycorrhizal fungi.- Ultrastructural analysis reveals the complex interactions between root cells and arbuscular mycorrhizal fungi.- Impact of mycorrhizal colonisation on root architecture, root longevity and the formation of growth regulators.- Biogeochemical cycling and arbuscular mycorrhizas in the sustainability of plant-soil systems.- Arbuscular mycorrhizas and agrosystem stability.- Hyphal phosphorus transport, a keystone to mycorrhizal enhancement of plant growth.- Approaches to the study of the extraradical mycelium of arbuscular mycorrhizal fungi.- Water relations and alleviation of drought stress in mycorrhizal plants.- Impact of arbuscular mycorrhizal fungi on plant uptake of heavy metals and radionuclides from soil.- Biocontrol of plant pathogens using arbuscular mycorrhizal fungi.- Management of positive interactions of arbuscular mycorrhizal fungi with essential groups of soil microorganisms.- Micropropagated plants, an opportunity to positively manage mycorrhizal activities.