DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Shigella dysenteriae bacteria, coloured scanning electron micrograph (SEM). Small group of rods on top of mass of rods. Shigella dysenteriae - Gram-negative, enteric, facultatively anaerobic, rod prokaryote; causes bacterial dysentery. This species is most often found in water contaminated with human feces. Magnification: x8,000 when shortest axis printed at 25 millimetres.
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