Piperacillin-tazobactam resistance in Klebsiella pneumoniae is often associated with IS26-mediated bla(SHV-1) amplification in a widespread Klebsiella-adapted plasmid. (journals.asm.org)

Authors: Royer G … Jacquier H Journal: Antimicrobial Agents and Chemotherapy Published: 2026-05-06 DOI: https://doi.org/10.1128/aac.01682-25