The trillions of microbes in the gastrointestinal tract, known as the gut microbiome, have a major impact on human health and disease. These microbes help us digest food and absorb nutrients; they can ...

Seemingly innocent microorganisms may have harmful consequences: Ubiquitous waterborne protozoa appear capable of aiding the survival of several types of bacteria responsible for gut-wrenching food ...

Mice infected with the common gut parasite Tritrichomonas muris are at an increased risk of developing inflammatory colitis, new research shows. These findings expand the type of gut-resident ...