The amplified mecA gene (310 bp) of S. aureus for detection of methicillin resistance recovered from multidrug resistant S. aureus (MDR) isolates. Lane L: Molecular marker; Lane P: Positive control; Lane N: Negative control; Lane 1, 2 and 3: positive isolates for resistance to methicillin. Lane 4 and 5: negative isolates for resistance to methicillin.