Original ResearchPublished 12 October 2026The arginine repressor ArgR controls virulence factors of adherent-invasive Escherichia coli strainsQueralt Bonet-Rossinyol · Margarita Martinez-Medina · Llorenç Fernández-CollFrontiers in Cellular and Infection Microbiologydoi 10.3389/fcimb.2026.1941024