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Description
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This dataset contains all raw measurements underlying the concentration time series and growth curves shown in Figures 1a, 4, 5, and 7a in the manuscript. Figure 1a: Raw optical density measurements (OD750) over time for cultures exposed to increasing concentrations of As(V) and As(III). Figure 4: Time-resolved concentrations of As(V), As(III), monomethylarsonic acid (MMA), dimethylarsinic acid (DMA), and dissolved oxygen following addition of ~30 µM or ~3000 µM As(V), under light and dark, oxic and anoxic conditions, and during a simulated diel cycle (As(V) added at 0 h). Oxygen measurements include pre-injection baseline dynamics used for rate calculations in Figure 1b. Figure 5: Time-resolved concentrations of As(V), As(III), MMA, DMA, and dissolved oxygen following addition of ~30 µM or ~3000 µM As(III), under light and dark, oxic and anoxic conditions, and during a simulated diel cycle (As(III) added at 0 h). Oxygen measurements include pre-injection baseline dynamics used for rate calculations in Figure 1b. Figure 7a: Average concentrations of MMA and DMA in porewater across depth and throughout a diel cycle in the Pozo Bravo microbial mat. Data in the other figures were derived from uploaded measurements or can be found in the supplemental tables of the article. Figure 1b: Rates are calculated from the oxygen data in the source files of Figures 4 and 5. Figure 1b: See Supplementary Tables S1–S4 Figure 2: See Supplementary Tables S5–S6 Figure 3: See Supplementary Tables S7–S10 Figure 6: Calculated from the concentration time series provided for Figures 4 and 5 Figure 7b: See Supplementary Table S11
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