1. Department of Marine Sciences-Tjärnö , University of Gothenburg , SE-452 96 Strömstad , Sweden
2. Institute for Inorganic and Analytical Chemistry , Friedrich Schiller University Jena , Lessingstr. 8, 07743 Jena , Germany
3. Department of Biology , Phycology Research Group, Ghent University , Ghent , Belgium
4. Department of Plant Biotechnology and Bioinformatics , Ghent University , Ghent , Belgium
5. VIB-UGent Center for Plant Systems Biology , Ghent , Belgium