Faculty of Technology, Center for Biotechnology, Bielefeld University, Germany. ddoerr@cebitec.uni-bielefeld.de|Faculty of Technology, Center for Biotechnology, Bielefeld University, Germany. ddoerr@cebitec.uni-bielefeld.de|Faculty of Technology, Center for Biotechnology, Bielefeld University, Germany. ddoerr@cebitec.uni-bielefeld.de