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Fig. 2 | SpringerPlus

Fig. 2

From: Multidrug resistance operon emrAB contributes for chromate and ampicillin co-resistance in a Staphylococcus strain isolated from refinery polluted river bank

Fig. 2

The growth status of different strains on the TSA medium with Cr(VI) and/or ampicillin added. The control means no Cr(VI) or ampicillin was added. ATCC stands for strain S. aureus ATCC25923, LZ-01 stands for strain S. aureus LZ-01, CA and CB are complemented strains for deletion mutant strain ΔemrA and ΔemrB. Cultures of different strains were diluted to tenfold gradients. 3 µl of each gradient culture was inoculated on to plate in a line, and different strains were inoculated in a column. All the plates were incubated in 37 °C for 12–18 h

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