Escherichia coli bacteria, coloured transmission electron micrograph (TEM). E. coli bacteria are a normal part of the intestinal flora in humans and o

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Escherichia coli bacteria, coloured transmission electron micrograph (TEM). E. coli bacteria are a normal part of the intestinal flora in humans and other animals, where they aid digestion. However, some strains, for instance enterohaemorrhagic E. coli (EHEC)i, can produce a toxin that leads to severe illness or even death. Normal strains can also produce infections in weakened or immunosuppressed people. Magnification:

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Photo credit: © ALFRED PASIEKA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: ., bacillus, bacteria, bacterial, bacteriology, bacterium, biological, biology, coli, ehec, electron, enteric, enterohaemorrhagic, escherichia, intestinal, micro-organisms, microbe, microbes, microbiological, microbiology, micrograph, pathogen, pathogenic, rod-shaped, tem, transmission