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. 2015 Sep 11;6:953. doi: 10.3389/fmicb.2015.00953

FIGURE 4.

FIGURE 4

CO2 production (μmol/h) of multispecies biofilms grown in defined medium: (A) 1 mM glucose as the carbon source exposed two times to 4000 mg/l streptomycin in 1 mM citrate, (B) 1 mM citrate exposed two times to 4000 mg/l streptomycin in 1 mM glucose, (C) 1 mM citrate grown biofilms exposed to 1 mM antibiotic free glucose and (D) 1 mM glucose grown biofilms exposed to 1 mM antibiotic free citrate.