Phenotypic Characterization of OXA-439, an OXA-163 variant, isolated from uropathogenic Escherichia coli
Valeria Florez‐Cardona, Elizabeth Ticona-Morales, Marisabel Charlo, Bruno Manta
The paper characterizes OXA-439, a variant of OXA-163, showing its resistance profile and the impact of a Y123H substitution on enzyme activity.
bioRxiv · Sep 15, 2026 · PreprintMicrobiology