P308 | IICIMED

P308

Gut Microbes, 2026, 18, 1.

Pre-existing β-lactamase gene diversity is associated with lower risk of ESBL-producing Enterobacterales colonization in patients exposed to ceftriaxone.

Le Bastard, Q. | Gschwind, R. | Lao, J. | Vibet, M.-A. | Batard, E. | Corvec, S. | Montassier, E. | Ruppé, E.

https://doi.org/10.1080/19490976.2026.2627692

P307 | IICIMED

P307

Journal of Applied Microbiology, 2026, 137, 3, lxag041.

Evaluation of Escherichia coli as a prophylactic treatment of intestinal colonization by extended-spectrum beta-lactamase-producing E. coli in a murine model of antibiotic-induced dysbiosis.

Ishnaiwer, M. | Dion, M. | Montassier, E. | Le Bastard, Q. | Batard, E.

https://doi.org/10.1093/jambio/lxag041

P306 | IICIMED

cyp51A-mediated azole resistance mechanisms involved in Aspergillus fumigatus.

P306

JAC-Antimicrobial Resistance, 2026, 8, 1.

Global epidemiology of azole resistance in Aspergillus fumigatus.

Fengler, A. | Bader, O. | Cornely, O. | Kurzai, O. | Meis, J.-F. | Morio, F. | Hamprecht, A.

https://doi.org/10.1093/jacamr/dlaf219