Research Article

Antimicrobial Resistance Factors of Extended-Spectrum Beta-Lactamases Producing Escherichia coli and Klebsiella pneumoniae Isolated from Cattle Farms and Raw Beef in North-West Province, South Africa

Figure 4

A 2% (w/v) agarose gel image showing ntrA gene fragments amplified from all K. pneumoniae isolates and K. pneumoniae (ATCC 13883) control strain. Lane M = 100 bp DNA Ladder, Lane 1 = ntrA gene fragments amplified from K. pneumoniae (ATCC 13883) control strain and Lanes 2–34 = ntrA gene fragments amplified from K. pneumoniae isolates from cattle faeces and beef samples.