Plasmids visualized by a modified Eckhardt procedure. (A) Lanes 1 and 5, E. adhaerens ATCC 33499; lane 2, CFNEA40; lane 3, CFNEA41; lane 4, CFNEA50. (B) Lanes 1 to 3 and 13, E. adhaerens ATCC 33499; lane 4, CFNEA51; lane 5, CFNEA52; lane 6, CFNEA53; lane 7, CFNEA54; lane 8, CFNEA55; lane 9, CFNEA56; lane 10, CFN42; lane 11, CFN299 Tn5-mob-6; lane 12, CFN299 Tn5-mob-7.