Fig. 4From: Understanding gold toxicity in aerobically-grown Escherichia colikatG and soxS expression in HAuCl4 treated-E. coli. Gene expression was monitored using lacZ fusions in E. coli GS022 (katG::lacZ) (a) and SP11 (soxS::lacZ) (b), in absence (control) or presence of HAuCl4 (125 µM) or K2TeO3 (2 µM). Data represent the average of 3 independent trials ± SD. Statistical significance was according to section Data analysisBack to article page