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Complementation of Pb(II) or Cd(II) sensitivity of the YCF1-null mutant by ZntA. Yeast cells were grown on one-half synthetic Gal media containing 2 mm Pb(NO3)2 or 50 μm CdCl2 at 30°C for 4 d. WT, Wild type; Δycf1, YCF1-null mutant; V, vector only. Note that ZntA rescued the growth of the mutant yeast in Pb(II)- or Cd(II)-containing media almost to the level of the wild type.
