Table 4.

Genotype of each strain used and their minimal inhibitory concentration against As(III) and As(V).

Strain	Genotype of interest	MIC (mM)
		As(III)	As(V)
E. coli BW25113	arsRCB + / acr3 −	1.25	15
E. coli BW25113/pBR322-acr3	arsRCB + / acr3 +	2.5	40
E. coli AW3110	arsRCB − / acr3 −	0.2	1.25
E. coli AW3110/ pBR322-acr3	arsRCB − / acr3 +	1	5