FIG. 3.
(A) Se(VI) reduction by E. cloacae fnr knockout mutant strain FM-1 (○) and E. cloacae SLD1a-1 wild type (•). (B) Se(VI) reduction by the SLD1a-1 wild type, the FM-1 mutant strain, and the complemented FM-1 mutant carrying pECL32. The data and error bars represent the averages and standard deviations of triplicate experiments.