About the Authors

Nadja Engel

nadja.engel-lutz@uni-rostock.de

Affiliation University of Rostock, Department of Cell Biology, Rostock, Germany

Jan Lisec

Affiliation Max Planck Institute for Molecular Plant Physiology, Potsdam-Golm, Germany

Birgit Piechulla

Affiliation University of Rostock, Department of Biochemistry, Rostock, Germany

Barbara Nebe

Affiliation University of Rostock, Department of Cell Biology, Rostock, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NEL JL. Performed the experiments: NEL JL. Analyzed the data: NEL, JL. Contributed reagents/materials/analysis tools: NEL JL BN BP. Wrote the paper: NEL JL BP BN. NE cultured cell lines, performed metabolic sample preparation, flow cytometry measurements, western blots, immunofluorescence staining, Bionas analysis, interpreted data and drafted the manuscript. JL performed metabolic profiling via GC-MS, statistical analysis, bioinformatics and contributed to the drafting manuscript. BP prepared and analyzed the fax extract. BP and BN critically revised the manuscript. All authors have read and approved the final manuscript.