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 ...

Researchers from the University of Toronto have discovered that mice infected with the common gut parasite Tritrichomonas muris are at an increased risk of developing inflammatory colitis. Their ...

The history of life stretches back untold eons. Today, there is a staggering array of organisms on Earth, with more species being discovered every year. The complexity of life, from the smallest ...

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 ...

THE systematic study of the natural history of the Protozoa in past years has, in general, lagged far behind that of the higher groups of animals. In large part, no doubt, this has been due to ...