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Biofilm formation assays in regulated polyP-deficient Pseudomonas sp. B4 cells. (A) Crystal Violet stained PVC plates of polyP-deficient Pseudomonas sp. B4 cells under repressed (Glucose 1%) and induced (Arabinose 0,5%,) conditions. (B) Quantification of crystal violet dye attached to the cells forming biofilms on PVC plates. Error bars are the average of two determinations in four biological replicates.
