1. Institute of Microbiology of the Czech Academy of Sciences, 14220 Prague, Czech Republic
2. Department of Biochemistry, Faculty of Science, Charles University, 12843 Prague, Czech Republic
3. Institute of Biotechnology of the Czech Academy of Sciences, 14220 Prague, Czech Republic
4. CF Plus Chemicals, 62100 Brno, Czech Republic
5. Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, 16610 Prague, Czech Republic