Wastewater and colloidal extracts of wastewater-irrigated soils select for resistant Acinetobacter baylyi beyond what measured antibiotic concentrations predict
Katharina Axtmann, Christina Paffenholz, Alina Auerhammer, Ana-Karen Michel-Farias, Benjamin Justus Heyde, Lena Marie Coppers, Melanie Braun, Arne Kappenberg, Ines Mulder, Susanne Brüggen, Christina Siebe, Wulf Amelung, Jan Siemens, Gabriele Bierbaum
The paper shows that wastewater and colloidal soil extracts select for antibiotic-resistant Acinetobacter baylyi despite low antibiotic concentrations, suggesting complex contaminant mixtures drive resistance.
Journal of Hazardous Materials Advances · Aug 1, 2026Peer-reviewedMicrobiology