Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Kemitorvet, Kgs. Lyngby, DK-2800, Denmark. dhany@cbs.dtu.dk.|Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Kemitorvet, Kgs. Lyngby, DK-2800, Denmark. simon@cbs.dtu.dk.|Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Kemitorvet, Kgs. Lyngby, DK-2800, Denmark. metteb@cbs.dtu.dk.|Bee Research Department, National Centre for Agricultural Research and Extension, P.O. Box 639, Baqa, 19381, Jordan. drnizarh@yahoo.com.|Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Kemitorvet, Kgs. Lyngby, DK-2800, Denmark. maria@cbs.dtu.dk.|National Food Institute, Division for Epidemiology and Microbial Genomics, Technical University of Denmark, Kemitorvet, Kgs. Lyngby, DK-2800, Denmark. fmaa@food.dtu.dk.|Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Kemitorvet, Kgs. Lyngby, DK-2800, Denmark. lund@cbs.dtu.dk.|Center for Biological Sequence Analysis, Department of Systems Biology, Technical University of Denmark, Kemitorvet, Kgs. Lyngby, DK-2800, Denmark. thomas@cbs.dtu.dk.