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. 2013 May;54(5):1493–1504. doi: 10.1194/jlr.M034223

Fig. 8.

Fig. 8.

The modes of respiration and testosterone catabolism adopted by S. denitrificans grown under various oxygen concentrations. Samples were withdrawn after 12 h incubation with 0.5 mM mercaptopropionic acid and 1 mM 3-chlorocatechol. The data shown are from five independent experiments. Data are means ± SE of three replicates in the representative experiment. (A) Bacterial growth (black column) and nitrate consumption (white column) of S. denitrificans cultures. (B) The production of 2,3-SAOA (black column) and 3,17-DHSA (white column) by S. denitrificans cultures. For white columns, the amount of 3,17-DHSA produced by S. denitrificans grown under 20% oxygen concentration (aerobic treatment) was set at 100%, and those of other four treatments are shown relative to that of the aerobic treatment. For black columns, the amount of 2,3-SAOA produced by S. denitrificans grown under strictly anaerobic conditions was set at 100%, and those of other four treatments are shown relative to that of the anaerobic treatment.