The MarR Family Regulator BmrR is involved in Bile Tolerance of Bifidobacterium longum BBMN68 via Controlling the Expression of an ABC-Transporter
This study identifies BmrR as a MarR family regulator that autoregulates the bmrRAB operon in B. longum BBMN68, enhancing bile tolerance through the bile efflux transporter BmrAB.