1. Department of Crop and Animal Sciences, Humboldt-University of Berlin, Lentzeallee 55/57, 14195 Berlin, Germany
2. Max Planck Institute for Molecular Genetics, Ihnestr. 63, 14195 Berlin, Germany
3. Department of Plant Pathology, Institute of Pesticides and Environmental Protection, Banatska 31b, P.O. Box 163, 11080 Belgrade, Serbia
4. Institute for Chemistry and Biology of the Marine Environment, Carl von Ossietzky University of Oldenburg, Carl-von-Ossietzky Straße 9-11, 26111 Oldenburg, Germany
5. Department for Microbiology, MaxPlanck Institute for Marine Microbiology, Celsiusstraße 1, 28359 Bremen, Germany
6. Institute for Plant Protection in Fruit Crops and Viticulture, Federal Research Centre for Cultivated Plants, Schwabenheimer Straße 101, 69221 Dossenheim, Germany