1. Julius-von-Sachs-Institute, Department of Molecular Plant Physiology and Biophysics, University of Wuerzburg, D-97082 Wuerzburg, Germany
2. Theodor-Boveri-Institute, Department of Bioinformatics, University of Wuerzburg, D-97074 Wuerzburg, Germany
3. Institute of Biology II, Cell Biology, University of Freiburg, 79104 Freiburg, Germany
4. Julius-von-Sachs-Institute, Department of Pharmaceutical Biology, University of Wuerzburg, D-97082 Wuerzburg, Germany