Microbial species living in a fruit fly gut interact with one another—and influence the insect’s health and longevity in the process.

A case study of two patients with advanced cancer shows it might be possible to avoid a common and severe side effect of immunotherapy treatment.

Using wild mice housed in laboratory conditions, researchers find that gut bacteria compositions change little from one generation to the next.

Experiments in mice and people find that probiotic supplements don’t consistently change the composition of the gut microbiome, and may have adverse effects after antibiotics.

Two different types of bacteria—one genetically engineered and one from cheese—defend animal intestines from Vibrio cholerae infection.  

Compared with their urban counterparts, babies and toddlers in rural Nigeria have gut microbiota that more closely resembles that of adults in their community.

Biotechs have developed enzyme replacements and genetically modified probiotics to treat patients with the rare metabolic disorder.

The microbiologist was known for his work on bacterial antibiotic resistance and infectious disease.

Normal brain function may have evolved to depend on gut microbes and their metabolites.