Electrophoresis profile in 2% agarose gel showing multiplex PCR amplification products for the S. aureus exo-foliative toxin tst toxin mec A and fem A genes. Lane L, DNA marker (100-bp ladder); Lanes 2 to 7, PCR amplicon; Lane 1 and 8, negative control; Lane 2, eta, etb, tst, mecA, and femA; Lane 3, mecA plus femA; Lane 4, tst and femA; Lane 5, eta and fem A; Lane 6, etb and femA; Lane 7, eta and femA.