by Quadram Institute Graphical abstract. Credit: Cell Host & Microbe (2021). DOI: 10.1016/j.chom.2021.05.008 The human gut microbiome is a complex community of trillions of microbes that are constantly interacting with each other and our bodies. It supports our wellbeing, immune system, and mental health—but how is it sustained? Researchers in the UK and Germany, alongside other international collaborators,...