ERRATUM
Volume 81, no. 6, p. 1959–1965, 2015. Page 1961, Fig. 1 legend, line 2: “… or 100 mM Sb(III)” should read “… or 100 μM Sb(III).”
Page 1961, Fig. 2 legend, line 3: “… sensitivity to 25 mM Sb(III)” should read “… sensitivity to 25 μM Sb(III).”
Page 1962, Fig. 3 legend, lines 5 to 7: “…◼, aioB::lacZ with 100 mM As(III); □, aioB::lacZ with 5 mM Sb(III); ●, arsR4::lacZ with 25 mM Sb(III); ○, arsR4::lacZ with 100 mM As(III)” should read “…◼, aioB::lacZ with 100 μM As(III); □, aioB::lacZ with 5 μM Sb(III); ●, arsR4::lacZ with 25 μM Sb(III); ○, arsR4::lacZ with 100 μM As(III).”