Tryptophan Co-Metabolism at the Host-Pathogen Interface - Costantini, Claudio; Bellet, Marina M.; Renga, Giorgia; Stincardini, Claudia; Borghi, Monica; Pariano, Marilena; Cellini, Barbara; Keller, Nancy; Romani, Luigina; Zelante, Teresa (Frontiers in Immunology, 2020)