1. Laboratory
of Microbial Ecology and Technology, Ghent University, Coupure Links
653, B-9000 Ghent, Belgium
2. Department
of Civil and Environmental Engineering, 407 O’Brien Hall, University of California, Berkeley, California 94720-1716, United States
3. SynBioC,
Department of Sustainable Organic Chemistry and Technology, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium