1. Institute of Biotechnology and Biochemical Engineering, Graz University of TechnologyNAWI Graz Petersgasse 12 8010 Graz Austria
2. Austrian Centre of Industrial Biotechnology (acib) Petersgasse 14 8010 Graz Austria
3. Department of ChemistryUniversity of Graz Heinrichstrasse 28 8010 Graz Austria