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Fig. 1 | BMC Microbiology

Fig. 1

From: Microbiological testing of pharmaceuticals and cosmetics in Egypt

Fig. 1

PCR amplification of specific gene fragment (174 bp) in S. epidermidis. Lane M: 100 bp plus DNA ladder*; Lane 2: isolate 20A; Lane 3: isolate 52; Lane 4: positive control (S. epidermidisATCC 12228); Lane 5: negative control (S. aureusATCC 6538P). * DNA ladder yields 14 fragments of the following sizes (bp; from top to bottom): 3000, 2000, 1500, 1200, 1000, 900, 800, 700, 600, 500, 400, 300, 200 and 100

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