1. Department of Plant Physiology, Martin-Luther-University Halle-Wittenberg , Weinbergweg 10, Halle 06120, Germany
2. Department of Biochemistry of Plant Interactions, Leibniz Institute for Plant Biochemistry , Weinbergweg 10, Halle 06120, Germany
3. Department of Mathematics, University of Bergen , Realfagbygget, Bergen, Vestland 5007, Norway
4. Computational Biology Unit, University of Bergen , Høyteknologisenteret, Bergen, Vestland 5006, Norway