1. Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, 35390 Giessen, Germany
2. Faculty of Biology and Chemistry, Justus Liebig University, 35390 Giessen, Germany
3. Project Group Bioresources, Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), 35394 Giessen, Germany
4. Department of Chemical Engineering, Kansas State University, Manhattan, KS 66506, USA