1. Institute for Biotechnology and Bioengineering, Centre for Biological Engineering; Universidade do Minho; Campus de Gualtar 4710-057 Braga Portugal
2. Department of Biotechnology; Institute of Chemical Technology Prague; Technická 5 166 28 Prague 6 Czech Republic
3. Centre of Molecular and Environmental Biology; Department of Biology, University of Minho
4. UNICER − Bebidas de Portugal SGPS, SA; Leça do Balio 4466-955 S Mamede de Infesta Portugal