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Confocal laser microscopy images from static biofilm from S. acidocaldarius in days 3 to 7 of growth. Cells (DNA) stained with 4′,6-diamidino-2-phenylindole (DAPI; blue); extracellular glucose and mannose residues stained with fluorescently labeled concanavalin A (conA; green); and N-acetyl-d-glucosamine residues stained with fluorescently labeled lectin IB4 (yellow). Scale bars: 20 μm. Reproduced from Koerdt et al.2010.
