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. 2017 Apr 11;5:24. doi: 10.3389/fchem.2017.00024

Figure 4.

Figure 4

Activity of TB_L1FK and TB_KKG6A, used alone and in combination with EDTA, against preformed (24-h old) biofilms of S. aureus ATCC 33591 (A,B) and P. aeruginosa ATCC 27853 (C,D). The antibiofilm activity of the peptides, EDTA and the peptide-EDTA combinations was evaluated by CFU counting after 24 h of incubation. Control (CTRL) represents untreated biofilms. Data are reported as mean ± standard error of at least three independent experiments. *p < 0.05; **p < 0.01; ***p < 0.001 (one way ANOVA followed by Tukey-Kramer post-hoc test).