Journal article

Remodelling of pSK1 Family Plasmids and Enhanced Chlorhexidine Tolerance in Methicillin-ResistantStaphylococcus aureus

Sarah Baines, Slade Jensen, Neville Firth, Anders Gonçalves da Silva, Torsten Seemann, Glen Carter, Deborah Williamson, Benjamin Howden, Timothy Stinear

Published : 2018

Abstract

Abstract Staphylococcus aureus is a significant human pathogen whose evolution and adaptation has been shaped in part by mobile genetic elements (MGEs), facilitating global spread of extensive antimicrobial resistance. However, our understanding of the evolutionary dynamics surrounding MGEs is incomplete, in particular how changes in the structure of multidrug-resistant (MDR) plasmids may influence important staphylococcal phenotypes. Here, we undertook a population-and functional-genomics study of 212 methicillin-resistant S. aureus (MRSA) ST239 isolates collected over 32 years to explore the evolution of the pSK1 family of MDR plasmids, illustrating how these plasmids have co-evolved with ..

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