1. Department of Biology; Faculty of Science; University of J.E. Purkinje 400 96 Ústí nad Labem Czech Republic
2. Institute of Biotechnology CAS, v. v. i; Pru˚myslová 595, Vestec ,252 42 Jesenice u Prahy Czech Republic
3. Leibniz Institute of Polymer Research Dresden; Hohe Straße 6 D-01069 Dresden Germany
4. Institute of Chemical Process Fundamentals CAS, v. v. i; Rozvojová 135 165 02 Prague Czech Republic
5. Institute of Microbiology CAS, v. v. i; Vídeˇnská 1083 142 20 Prague Czech Republic