OUR RESEARCH THEMES “There is nothing like looking, if you want to find something. You certainly usually find something, if you look, but it is not always quite the something you were after.” — J.R.R. Tolkien, The Hobbit Microbial Signals in Neurovascular Interactions Barriers as interfaces of communication across the Gut-Brain Axis Radial Glia as Neurodevelopmental Mediators of Gut-Microbiota SignalsERC-StG2021-RADIOGUT