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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.
