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 ...

While most known protozoa are classified as parasites, several lesser-known species can live in symbiotic relationships with their animal hosts. "Our aim was to understand how commensal protozoan ...

A team led by University of Toronto researchers has discovered a new communication pathway between the gut and lung. Their findings highlight how a little-known member of the gut microbiome reshapes ...