Genetic interplay between type II topoisomerase enzymes and chromosomal ccdAB toxin-antitoxin in E. coli
J. W. J. Kim, V. Blay, P. Mira, M. Barlow, M. Camps
This study analyzes mutations in type II topoisomerases in E. coli clinical isolates and links them to ccdAB toxin-antitoxin operon presence, showing genetic incompatibilities and permissive mutations that affect quinolone resistance evolution.
bioRxiv · Sep 24, 2021 · PreprintMicrobiology