The Strain Food Borne Bacteria

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food borne bacteria

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posted by Penn State alias pennstatenews on Thursday 1st of June 2017 03:09:23 PM

2006.National Escherichia, Shigella, Vibrio Reference Unit at CDC..Under a magnification of 6836x, this colorized scanning electron micrograph (SEM) depicted a number of Gram-negative Escherichia coli bacteria of the strain O157:H7, which is one of hundreds of strains of this bacterium. Although most strains are harmless, and live in the intestines of healthy humans and animals, this strain produces a powerful toxin, which can cause severe illness.E. coli O157:H7 was first recognized as a cause of illness in 1982 during an outbreak of severe bloody diarrhea; the outbreak was traced to contaminated hamburgers. Since then, most infections have come from eating undercooked ground beef.The combination of letters and numbers in the name of the bacterium refers to the specific markers found on its surface, which distinguishes it from other types of E. coli. See PHIL 8800 for a black and white version of this image...Escherichia coli O157:H7 is an emerging cause of foodborne illnes

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