Affiliation: | TI Food and Nutrition, P.O. Box 557, 6700 AN Wageningen, Netherlands,1. NIZO, P.O. Box 20, 6710 BA Ede, Netherlands,2. Laboratory of Microbiology, Wageningen University and Research Centre, Dreijenplein 10, 6703 HB Wageningen, Netherlands,3. Department of Genetics, Groningen Biomolecular Sciences and Biotechnology Institute (GBB), Rijksuniversiteit Groningen, Kerklaan 30, 9751 NN Haren, Netherlands4. |