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In vitro growth characteristics of pneumococcal strains in CDM supplemented with glucose (A) and galactose (B). D39, SPD0420M, SPD0420Comp, and SPD1774M are represented by solid; short, dashed; long, dashed; or dotted lines, respectively. Black lines are for aerobiosis, and gray lines are for anaerobiosis. Error bars show the standard error of the mean for three independent experiments.
