Plasmid-encoded toxin-antitoxin system directly controls plasmid replication: study

Conjugative plasmids are extrachromosomal genetic elements that carry genetic determinants for adaptive traits. They contribute to the global dissemination of antibiotic resistance among multidrug-resistant pathogenic bacteria.

source https://phys.org/news/2021-01-plasmid-encoded-toxin-antitoxin-plasmid-replication.html