Diversity of Mercury Resistant Escherichia coli Strains Isolated from Aquatic Systems in Rio de Janeiro, Brazil

Figure 3

DGGE profiles of PCR-amplified merA+ gene fragment from E. coli strains. Lane 1: strain RM 1; Lane 2: strain RM 7; Lane 3: strain RM 8; Lane 4: strain RM 9; Lane 5: strain RM 17; Lane 6: strain RM 20; Lane 7: strain RM 31.