Explore microbial ecology in this comprehensive lecture from the Serrapilheira/ICTP-SAIFR Training Program in Quantitative Biology and Ecology. Join speakers Martina Dal Bello from the Massachusetts Institute of Technology and Jacopo Grilli from ICTP Trieste as they delve into the intricate world of microorganisms and their interactions with the environment. Learn about the latest research and methodologies in microbial ecology, gaining insights into the complex dynamics of microbial communities. Discover how quantitative approaches are applied to understand microbial behavior, population dynamics, and ecosystem functions. This 1-hour and 22-minute session, part of the QBio Program, offers a deep dive into the field, providing valuable knowledge for students and researchers interested in the intersection of quantitative biology and microbial ecology.