Post-transfer instability, not initial transfer, limits dissemination of IncI1-blaCTX-M-1 plasmids between chicken and human Escherichia coli.
Matteo Buffoni, Egil A.J. Fischer, Javier DelaFuente, Álvaro San Millán, Anita C. Schürch, Rob J. L. Willems, J. A. G. M. de Visser
This study shows that IncI1-blaCTX-M-1 plasmids transfer efficiently between chicken and human E. coli but are less stable in human hosts, limiting their spread.
npj Antimicrobials and Resistance · Aug 4, 2026Peer-reviewedMicrobiology