TY - RPRT TI - PixR, a novel activator of conjugative transfer of IncX4 resistance plasmids, mitigates the fitness cost of mcr-1 carriage in Escherichia coli AU - Yi, L. AU - Durand, R. AU - Grenier, F. AU - Yang, J. AU - Yu, K. AU - Burrus, V. AU - Liu, J.-H. PY - 2021 DO - 10.1101/2021.08.04.455183 UR - https://www.biorxiv.org/content/10.1101/2021.08.04.455183v1 ID - 10.1101/2021.08.04.455183 ER -