Heteroresistance in Enterococcus faecalis is prevalent for key antibiotics and mainly caused by mutations
Sheida Heidarian, Sarah Lohsen, Andrei S. Guliaev, Hervé Nicoloff, Sarah W. Satola, Dan I. Andersson, Karin Hjort
This study identifies heteroresistance in Enterococcus faecalis against three antibiotics, showing that it is mainly caused by chromosomal mutations and mobile genetic elements.
bioRxiv · Jul 16, 2026 · PreprintMicrobiology