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Fig. 1 | BMC Microbiology

Fig. 1

From: The exopolysaccharide–eDNA interaction modulates 3D architecture of Bacillus subtilis biofilm

Fig. 1

Effect of extracellular DNA (eDNA) removal on biofilm formation in microtiter plates. DNase I was either added at the beginning of the experiment (a) or after the biofilm had established. b. Biomass was quantified by using a crystal violet assay. White bars = DNase I treated, black bars = untreated control. The bars are means of five replicates, and the error bars represent standard deviations. *P < 0.05, **P < 0.01, ***P < 0.001 for comparisons of data obtained in the absence of DNase I and in the presence of DNase I

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