perkinsii, an ancestral species of protist. This unicellular organism ... standing scientific debate concerning 600 million-year-old fossils that resemble embryos, and could challenge certain ...

Just as the human body serves as a habitat for bacteria and other microbes, diverse, tiny organisms known as protists host their own microbiomes. "We know there are many symbionts in the world ...

Bacteria are in the majority in the gut microbiome; other significant inhabitants — archaea, viruses, protists and fungi — have been studied far less. Our project will focus on protists ...