Fig. 3From: Occurrence, antimicrobial susceptibility, and resistance genes of Staphylococcus aureus in milk and milk products in the Arsi highlands of EthiopiaAgarose gel electrophoresis for the detection of the mecA gene (310 bp) in S. aureus isolates. Lane M, 100 bp DNA marker; Lane 1, positive control; Lane 2, negative control; Lanes 3–10, mecA gene positive isolates; Lane 11, negative isolateBack to article page