title: Editorial: Biotrophic Plant-Microbe Interactions.
authors.affiliation: Department of Life Sciences, Imperial College London London, UK.
authors.forename: Pietro D
authors.initials: PD
authors.lastname: Spanu
authors.affiliation: Unit of Plant Molecular Cell Biology, Institute for Biology I, RWTH Aachen University Aachen, Germany.
authors.forename: Ralph
authors.initials: R
authors.lastname: Panstruga
keywords: endophytes; haustorium; hemibiotrophs; mycorrhiza; necrotrophs; obligate biotrophs; saprotrophs; symbionts