AUTHOR=Palmieri Vittoria , Falcone Marika TITLE=Editorial: The role of physical and biological gut barriers in modulating crosstalk between the microbiota and the immune system JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2024 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1448642 DOI=10.3389/fimmu.2024.1448642 ISSN=1664-3224