25.2 MB (25.0 MB compressed)
3215 x 2740 pixels
27.2 x 23.1 cm ⏐ 10.7 x 9.1 in (300dpi)
DR DAN KALMAN , KATIE VICARI / SCIENCE PHOTO LIBRARY DR DAN KALMAN , KATIE VICARI / SCIENCE PHOTO LIBRARY
Escherichia coli bacteria, immunofluorescence deconvolution micrograph. The GTPase protein Rac1, which regulates cellular processes including the cell cycle and motility, is red. Actin protein filaments, which make up part of the cytoskeleton, are green. Here the actin filaments are causing protrusions on the cells' membranes known as pedestals, which help this pathogenic bacteria to attach to intestinal cells.
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