25.2 MB (25.0 MB compressed)
3190 x 2764 pixels
26.9 x 23.4 cm ⏐ 10.6 x 9.2 in (300dpi)
DR DAN KALMAN , KATIE VICARI / SCIENCE PHOTO LIBRARY DR DAN KALMAN , KATIE VICARI / SCIENCE PHOTO LIBRARY
E. coli infection mechanism. Immunofluorescence deconvolution micrograph of Escherichia coli bacteria (rods) infecting an intestinal cell's nucleus (large green object). Bacterial DNA (deoxyribonucleic acid) is yellow. Actin protein filaments, which make up part of the cytoskeleton, are blue. Here the actin filaments are causing protrusions on the cells' membranes known as pedestals, which help this pathogenic bacteria to attach to intestinal cells. The formation of these pedestals is catalysed by the bacterial outer membrane protein intimin, which is pink.
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