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Comparison of the growth physiologies of D. vulgaris wild-type and adh mutant strains. The cell density (▵; OD600, right ordinate), millimolar sulfate concentration (○; left ordinate), and millimolar sulfide concentration (•; left ordinate) are shown as a function of time. (A to D) Strains and electron donors. (A) Wild type with lactate. (B) adh mutant with lactate. (C) Wild type with ethanol. (D) adh mutant with ethanol.
