MicrobiologybioRxivPreprint
Successful spread of mcr-1-bearing IncX4 plasmids is associated with variant in replication protein of IncX4 plasmids
Lingxian Yi, Kaiyang Yu, Guolong Gao…·Jian-Hua Liu
The paper shows that IncX4 plasmids with pir-1 have higher mcr-1 expression and fitness burden but lower invasion rates compared to pir-2 plasmids, explaining why mcr-1 is absent from pir-2 plasmids.
DOI 10.1101/2023.11.23.568506