1. Plant Biochemistry Laboratory; Department of Plant and Environmental Sciences; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg Denmark
2. Present address: Department of Plant Microbial Biology; University of California Berkeley; 441 Koshland Hall Berkeley CA 94720-3102 USA
3. Faculty of Health and Medical Sciences; Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Denmark
4. Chr. Hansen A/S; Bøge Alle 10-12 2970 Hørsholm Denmark
5. Present address: ActaBio ApS; Kongemarken 11 4000 Roskilde Denmark
6. Department of Biotechnology and Biomedicine; Technical University of Denmark; Søltofts Plads Building 221 and 223 2800 Kongens Lyngby Denmark