FIG. 4.

RAPD patterns of reference, clinical, and vaccine samples of Enterobacter species by electrophoresis in a 2% agarose gel. Lanes M, molecular size marker (φX174 RF DNA/HaeIII). (A) Lane 1, E. sakazakii ATCC 29004; lane 2, E. aerogenes ATCC 13048; lane 3, E. cloacae ATCC 13047; lane 4, E. cloacae ATCC 23355; lanes 5 to 10, clinical isolates of E. cloacae from IAL; lanes 11 to 15, clinical isolates of E. cloacae from HU-UFRJ; lanes 16 to 20, vaccine isolates. (B) Lanes 1 to 5, vaccine isolates analyzed with RAPD primers 2, 3, 4, and 5.