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A series of images demonstrate the growth of P. fluorescens biofilm over 48 h. Bacteria attached to the surface in the first 9 h. Isolated colonies then grew in height and spread over the surface (13.5 h). Small colonies merged into larger formations (16.5 h) and eventually covered the whole viewing area (24 h). The biofilm then grew thicker and more textured from 24 and 48 h. False coloring corresponds to biofilm thickness according to the color bar at the bottom.
