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Distribution of ESBL genes in uropathogenic Escherichia coli isolates. Lane (1): DNA marker 100 bp. Lane (3): CTX-M gene (544 bp). Lane (6): TEM gene (867 bp). Lane (9): SHV gene (867 bp). Lane (2,5,8): Positive control (Escherichia coli ATCC25922). Lane (4,7,10): Negative control.
