Gastroenterology

Japanese gut metagenomes show microbial features associated with diet and disease

The findings of a japanese research suggest that several viruses are linked to specific populations and diseases.

Gut microbes may mediate beneficial effects of low-carb diet on irritable bowel syndrome

Researchers have found that a diet low in fermentable carbohydrates can alter the human microbiota in ways that influence the expression of genes involved in inflammation and intestinal integrity.

A closer look at the microbiota of the small intestine

A recent study confirms that ileum and colon have a distinct microbiota: unlike the bacterial composition of the colon, the ileum is subject to frequent fluctuations.

Gut bacteria influence response to cocaine in mice

The findings of a new research may help to inform therapies to modulate brain circuits that are involved in substance use disorders.

COVID-19 may disrupt gut microbiota to increase risk for other infections

Microbiota alterations in COVID-19 patients appeared to be associated with secondary infections of the blood by gut bacteria: four cases of positive blood cultures of Staphylococcus species were identified.

DNA-damaging microbial metabolites found in people with inflammatory bowel disease

The findings of a recent study suggest that DNA damage-inducing microbial metabolites such as indolimines play a role in the development of colorectal cancer.

Some gut bacteria may trigger autoimmunity in rheumatoid arthritis

The findings of a recent study suggest that a specific strain of Subdoligranulum can drive the production of autoantibodies in rheumatoid arthritis.

Nicotine-degrading microbes may protect against smoking-related liver disease

Scientists identified a bacterium, Bacteroides xylanisolvens, that reduced gut nicotine concentrations in mice exposed to nicotine as well as the severity of NAFLD.

Some gut bacteria can curb atherosclerosis in mice

A recent study provides evidence for the beneficial effects of GMD and the gut commensal bacterium P. merdae against obesity-related atherosclerosis.

Microbiota-derived ethanol may contribute to nonalcoholic fatty liver disease

The findings of a new research suggest that, in some people, microbial ethanol can contribute to the development of NAFLD.

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