Gastroenterology

Geographic differences in gut microbes may influence resistance to infection

The ability to transfer resistance to infection suggests that the microbiota could be harnessed for therapeutic treatments. A new study published in Cell Reports claims.

Specific microbial signature may influence response to immunotherapy in melanoma

A study published in Nature Medicine claims that the manipulation of the gut microbiota could be a new strategy to treat toxicity to combined immunotherapy.

Microbiota transplant and fiber can benefit obese people’s health

Fecal microbiota transplants combined with daily fiber supplement improves insulin sensitivity in obese individuals with metabolic syndrome.

Dispersal strategies determine for how long bacteria persist in the gut

A new study published in Cell Host & Microbe illustrates how different dispersal strategies can allow bacteria to persist in the human gut.

High-fat diet is linked to changes in gut microbiota, development of antibiotic tolerance

A high-fat diet is associated with changes in the gut microbiota and microbial metabolites. These changes seem impair antibiotic efficacy.

Largest-ever survey of urban microbes finds that each city has its unique microbiota

A new study published in Cell could help to detect infection outbreaks and study the distribution of antibiotic-resistant microbes in different urban areas.

Food dyes metabolized by gut microbes cause colitis in mice with dysregulated immune system

Specific food dyes are environmental risk factors for colitis development in conditions where IL-23 expression is dysregulated.

People at risk for rheumatoid arthritis have unique viral communities in their guts

A new study published in Cell Host & Microbe could pave the way for using phages as biomarkers for the condition of rheumatoid arthritis.

Intestinal microbes could protect against gut inflammation and colorectal cancer

The alterations in gut microbiota composition observed in mice lacking TAK1 can generate a protective immunity against colitis and colorectal cancer.

Gut microbes produce metabolites that mimic human signaling molecules

Fatty acid amides produced by Clostridia can help the bacteria to modulate their host by mimicking human signaling molecules.

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