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Growth response of “Ca. M. fumariolicum” SolV upon ammonium depletion during transition phase I (the start is indicated by the dashed line). (A) The optical density (closed triangles), ammonium (open triangles), and dissolved oxygen in culture medium (open circles). (B) Total nitrogen (closed squares) and total carbon (open squares). (C) Dry weight (open circles). Error bars represent SEM (n = 5).
