Fig. 4From: Multidrug resistance operon emrAB contributes for chromate and ampicillin co-resistance in a Staphylococcus strain isolated from refinery polluted river bankInduction effects on MICs for antibiotics and metals on strain S. aureus LZ-01. The induced level was 0.15 mg/ml for Amp, 0.05 mg/ml for Chlo, 0.50 mM for Cr(VI) and Mn(II). Asterisk means significant difference between two groups (T tests, p < 0.05)Back to article page