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. 2021 Mar 18;12:652766. doi: 10.3389/fmicb.2021.652766

FIGURE 5.

FIGURE 5

Sulfide and thiosulfate oxidation by six novel strains. (A) Sulfide oxidation by six strains with an initial Na2S concentration of 1 mM. (B) The production of thiosulfate during sulfide oxidation. (C) Thiosulfate oxidation by six strains with an initial Na2S2O3 concentration of 1.5 mM. (D) The production of tetrathionate during thiosulfate oxidation. CK, control containing no cells. The data are shown as mean value ± SD from three independent measurements.