Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses. A consortium led by researchers at Helmholtz Munich, with participation from Ludwig ...

In a huge global study led by University of Cambridge researchers, a single group of bacteria—named CAG-170—has repeatedly shown up in high numbers in the gut microbiomes of healthy people. CAG-170 is ...

The intestines are home to trillions of microorganisms that produce substances capable of regulating all the body's organs via the bloodstream and the gut's nervous system. Yet, only little is known ...

Researchers have identified two gut bacteria that can produce serotonin, a key chemical that regulates bowel movements. In experiments with mice lacking serotonin, the microbes boosted serotonin ...