Variability in carbapenemase activity of intrinsic OxaAb (OXA-51-like) beta-lactamase enzymes in Acinetobacter baumannii
Y. Takebayashi, J. Findlay, K. J. Heesom, P. J. Warburton, M. B. Avison, B. A. Evans
This study measures carbapenem susceptibility variability in OxaAb variants of Acinetobacter baumannii using WGS and LC-MS/MS, finding that ISAba1 promoter-driven overexpression of specific substitutions confers resistance.
bioRxiv · Jul 2, 2020Microbiology