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A 2% (w/v) agarose gel image showing ESBL [blaTEM (1100 bp), blaSHV (740 bp), blaCTX-M (550 bp) and blaOXA (470 bp)] gene fragments amplified from K. pneumoniae isolates. Lane M = 1 kb DNA Ladder (O'GeneRuler), Lane 1 = negative control, Lanes 2, 9, 10, and 11 = blaTEM, blaSHV, blaCTX-M , and blaOXA gene fragments, Lane 3 = blaTEM gene fragments, Lanes 4, 5, 6, 7, and 8 = blaTEM , blaSHV and blaCTX-M gene fragments.
