Center for Microbial Biotechnology BioCentrum-DTU, Building 223, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark. tg@biocentrum.dtu.dk|Center for Microbial Biotechnology BioCentrum-DTU, Building 223, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark. tg@biocentrum.dtu.dk|Center for Microbial Biotechnology BioCentrum-DTU, Building 223, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark. tg@biocentrum.dtu.dk|Center for Microbial Biotechnology BioCentrum-DTU, Building 223, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark. tg@biocentrum.dtu.dk|Center for Microbial Biotechnology BioCentrum-DTU, Building 223, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark. tg@biocentrum.dtu.dk