1. These authors contributed equally to this work
2. Plant Biotechnology, Faculty of Biology, University of Freiburg, Freiburg, Germany
3. Present address: Life & Medical Sciences Institute, Laboratory of Chemical Biology, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
4. Faculty of Biology, University of Freiburg, Freiburg, Germany
5. Present address: Nofima Marin, Postboks 5010, 1432 Ås, Norway
6. Present address: QIAGEN, Qiagen Strasse 1, 40724 Hilden, Germany
7. GabiPD team, Bioinformatics Group, Max Planck Institute of Molecular Plant Physiology, Potsdam-Golm, Germany
8. Present address: Fermentas, Opelstraße 9, 68789 St. Leon-Rot, Germany
9. Department of Molecular Biology, Institute of Biochemistry and Biology, GoFORSYS, University of Potsdam, Potsdam-Golm, Germany
10. Freiburg Initiative for Systems Biology, Faculty of Biology, University of Freiburg, Freiburg, Germany
11. Cooperative Research Group, Max Planck Institute of Molecular Plant Physiology, Potsdam-Golm, Germany