We are interested in the co-evolution of humans with their microbiomes. Our basic science investigates the evolutionary history of gut microbes, how they have adapted to life inside humans, and how they affect human biology and health.
We are interested in the co-evolution of humans with their microbiomes. Our basic science investigates the evolutionary history of gut microbes, how they have adapted to life inside humans, and how they affect human biology and health.
Prof. Ruth Ley is the Director of the Department of Microbiome Science and a Speaker for the Cluster of Excellence “Controlling Microbes to Fight Infections” at the University of Tübingen.

May 27, 2026 The Royal Society has elected Ruth Ley, Director of the Department of Microbiome Science at the Max

We are pleased to announce the publication of our latest study, “Genomic and phenotypic characterization of a human gut Methanobrevibacter

We present StrainVis, a new web-based tool designed to simplify and unify strain-level analysis of microbiome data.Microbial species include multiple