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Time course of utilization of DM by Mycobacterium sp. strain DM-11 in liquid NF-M1 medium with 1.2 mM DM as the sole carbon and nitrogen source at 25°C and 120 rpm. Growth is shown as an increase in the cell numbers in cultures (circles). DM concentrations were determined by measuring absorbance at OD279 nm of the culture medium (triangles). Ammonium concentrations were measured using ammonium test method Spectroquant (squares). Data are means of results of duplicate experiments.
