Structure of the DNA-transposons. Diagram showing the structural features of the cut-and-paste and rolling circle transposons for which we obtained consensus sequences. All features are drawn to scale. See legend for colour code. Full sequences of these elements can be found in Additional file 6: Figure S4, Additional file 9: Figure S7, Additional file 12: Figure S10, Additional file 13: Figure S11, and Additional file 14: Figure S12.