1. Department of Biomolecular Sciences, Laboratory of Microbiology, H. van Suchtelenweg 4, Wageningen Agricultural University, 6703 CT Wageningen, The Netherlands, Department of Agricultural, Environmental and Systems Technology, Subdepartment of Environmental Technology, Bomenweg 2, Wageningen Agricultural University, 6703 HD Wageningen, The Netherlands, and TNO Institute of Environmental Sciences, Energy Research and Process Innovation, Department of Environmental Biotechnology, P.O. Box 342, 7300 AH...