FIGURE 3.
Growth curve of 8mM-CRAA in 1.2 mM Cd2+ and the cadmium removal capacity of different strains. (A) Growth curve of 8mM-CRAA in 1.2 mM Cd2+; BL21(DE3) was used as a negative control. (B) Cadmium removal capacity of different strains, with BL21 and pUC19-GFP as controls; ∗∗p < 0.01.