The amplified vanA gene (885 bp) of S.aureus for detection of vancomycin resistance recovered from multidrug resistant S.aureus (MDR) isolates. Lane L: Molecular marker; Lane p: Positive control; Lane N: Negative control; Lane 5: positive isolate for resistance to vancomycin; Lane 1,2,3 and 4: negative isolate for resistance to vancomycin