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Growth and nitrite oxidation activities of AM1. (A) The plots indicate nitrite concentration (diamonds), nitrate concentration (squares), and cell numbers (circles) in nitrite-limited mineral medium at 16°C. Each experiment was performed with transferred cells (10% inoculum) in early stationary phase. (B) Changes in the cell number from day 1 to day 9 were fitted to the exponential-growth curve. All error bars show the standard deviations of biological triplicate measurements.
