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FOR 546:
Collaborative Project
Coordinating institution:
Department of General and Development Physiology of Plants
As primary producers of organic matter, plants constitute an attractiveVerticillium habitat for micro-organisms. Different types of interactions are described like killing of infected cells by necrotrophic fungi, exploitation of resources from living host cells by biotrophic pathogens, and symbiotic interactions which benefit both sides. The life style of the soil-borne, vascular fungal pathogen Verticillium longisporum (VL) constitutes still another form of interaction. Here, the fungus persists for a long time in the xylem of its host without causing severe damage. In general, stunting and early senescence are observed during this stage. Conidiospores, which are transported with the transpiration stream to the shoot, ensure eventual colonization of the whole plant. VL infections on oilseed rape become apparent only during the ripening period, and breaks out of the vessels into the xylem parenchyma, stem pith and stem parenchyma to produce microslerotia. VL infections represent a serious threat to oilseed rape which has evolved to the most important oil crop in the temperate climates. Due to the booming biofuel markets, the importance is likely to expand in the future. In the absence of effective fungicides or resistant cultivars, the understanding of the Brassicaceae-VL interaction might lead to innovative strategies to combat the disease.
Collaborative Projects
Subprojects
Leading institution:
Department of General and Development Physiology of Plants
