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. 2023 Feb 2;9:7. doi: 10.1038/s41522-023-00375-7

Fig. 4. Cell-associated Pel is a key component of biofilm microcolonies in flow cells.

Fig. 4

a Representative confocal flow cell images stained with SYTO62 (pink) and the Pel-specific lectin WFL-FITC (green) to detect biomass and Pel, respectively. Scale bars = 100 μm. b Dot blot of crude cell-associated and secreted Pel fractions of the indicated strains. Pel was detected using WFL-HRP. PBAD pel, PAO1 ∆wspFpsl PBADpel.