With the announcement this week that 58,000 pounds of ground beef may have been contaminated with Shiga toxin-producing E. coli, you might be wondering about E. coli. What is E. coli? Who is at risk? How can you prevent an ...
Sep 21, 2023
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As concerns over deadly antibiotic-resistant strains of 'superbug' bacteria grow, scientists at the Salk Institute are offering a possible solution to the problem: 'superhero' bacteria that live in the gut and move to other ...
Oct 29, 2015
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(HealthDay)— Caesar salad fans, rest easy: It's safe to eat romaine lettuce again.
Nov 27, 2018
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About half of all women will experience urinary tract infections in their lifetimes, and despite treatment, about a quarter will develop recurrent infections within six months of initial infection.
Mar 30, 2017
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The majority of women suffering with pain when urinating, or needing to urinate often or urgently probably do have a bacterial infection, even when nothing is detected by standard urine testing.
Apr 27, 2017
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There's no way you'd want to go to work when you've got the telltale signs of gastro: nausea, abdominal cramps, vomiting and diarrhoea. But what about when you're feeling a bit better? When is it safe to be around colleagues, ...
Aug 27, 2018
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Researchers at Wuhan University in China have found a previously unknown mechanism linking gut bacteria, estradiol, and depression in women. The study, "Gut-microbiome-expressed 3b-hydroxysteroid dehydrogenase degrades estradiol ...
New research has uncovered a surprise link between a common bacterial toxin found in the gut and inflammatory bowel disease (IBD).
May 17, 2018
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A new study shows that a kind of E. coli most associated with "travelers' diarrhea" and children in underdeveloped areas of the world causes more severe disease in people with blood type A.
May 17, 2018
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Antibiotic-resistant E. coli is more likely to be spread through poor toilet hygiene than undercooked chicken or other food, according to new research from a consortium including the University of East Anglia.
Oct 22, 2019
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Escherichia coli (commonly E. coli; pronounced /ˌɛʃɪˈrɪkiə ˈkoʊlaɪ/, /iː ~/, and named for its discoverer), is a Gram negative bacterium that is commonly found in the lower intestine of warm-blooded organisms (endotherms). Most E. coli strains are harmless, but some, such as serotype O157:H7, can cause serious food poisoning in humans, and are occasionally responsible for costly product recalls. The harmless strains are part of the normal flora of the gut, and can benefit their hosts by producing vitamin K2, or by preventing the establishment of pathogenic bacteria within the intestine.
E. coli are not always confined to the intestine, and their ability to survive for brief periods outside the body makes them an ideal indicator organism to test environmental samples for fecal contamination. The bacteria can also be grown easily and its genetics are comparatively simple and easily-manipulated or duplicated through a process of metagenics, making it one of the best-studied prokaryotic model organisms, and an important species in biotechnology and microbiology.
E. coli was discovered by German pediatrician and bacteriologist Theodor Escherich in 1885, and is now classified as part of the Enterobacteriaceae family of gamma-proteobacteria.
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