Pre-existing chromosomal polymorphisms in pathogenic E. coli potentiate the evolution of antibiotic resistance by MCR-1 plasmid acquisition
P. K. Jangir, Q. Yang, L. P. Shaw, J. D. Caballero, L. Ogunlana, R. M. Wheatley, T. R. Walsh, C. MacLean
The paper shows pre-existing lpxC polymorphisms in E. coli enhance the evolution of colistin resistance via MCR-1 plasmid acquisition through positive epistasis.
bioRxiv · Feb 20, 2022 · PreprintEvolutionary Biology