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Medical Term:

resistance plasmids


plasmids carrying genes responsible for antibiotic (or antibacterial drug) resistance among bacteria (notably Enterobacteriaceae); they may be conjugative or nonconjugative, the former possessing transfer genes (resistance transfer factor), which are lacking in the latter.

Synonym(s): R factors, R plasmids, resistance factors, resistance-transferring episomes

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.