Gastroenterology

Specific bacterium in the gut linked to irritable bowel syndrome

Researchers at the University of Gothenburg have detected a connection between Brachyspira, a genus of bacteria in the intestines, and IBS—especially the form that causes diarrhea. Although the discovery needs confirmation ...

Diseases, Conditions, Syndromes

Cause of 1990s Argentina cholera epidemic uncovered

The evolution of epidemic and endemic strains of the cholera-causing bacterium Vibrio cholerae in Argentina has been mapped in detail by researchers at the Wellcome Sanger Institute, the London School of Hygiene and Tropical ...

Medical research

A fast, portable medical lab that could test for COVID-19

Mechanical engineer Juan Santiago is an expert in microfluidics—compact chemistry labs that are increasingly being used to test various liquids for toxins, pollution, parasites, microbes and more. Santiago is working to ...

Diseases, Conditions, Syndromes

Highly virulent listeriosis pathogen discovered

The bacterium Listeria monocytogenes can cause listeriosis, a life-threatening infection in animals and humans. Contaminated food is a frequent source of infection. Elderly people, people with a weakened immune system and ...

Medical research

Resistance can spread even without the use of antibiotics

Antibiotic resistance does not spread only where and when antibiotics are used in large quantities, ETH researchers conclude from laboratory experiments. Reducing antibiotic use alone is therefore not sufficient to curtail ...

Diseases, Conditions, Syndromes

Study maps genetics of early progression in tuberculosis

While the vast majority of the 1.8 billion people infected with the TB bacterium never experience active disease, an estimated 5 to 15 percent do develop full-blown infections—roughly half of them within 18 months of exposure.

Diseases, Conditions, Syndromes

Can eating poop save you from this deadly bacteria?

Every year, around half a million people in the United States get sick from the bacterium C. diff, often after taking antibiotics. Sounds counterintuitive? This week on Reactions, we break down why that happens, and how an ...

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