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Predation of B. bacteriovorus on “static” prey biofilm. Biofilm of P. aeruginosa (Ps, red) and S. aureus (St, blue) were grown on 48-well plates for 24 h, and challenged with B. bacteriovorus for additional 24 h. After crystal-violet staining, OD570nm was used to measure biofilm amount, and Wilcoxon Signed Rank test was used to assess statistical differences.
