Fluoroquinolone-specific resistance trajectories in E. coli and their dependence on the SOS-response

L Teichmann, S Luitwieler, J Bengtsson-Palme… - BMC microbiology, 2025 - Springer
Background Fluoroquinolones are indispensable antibiotics used in treating bacterial
infections in both human and veterinary medicine. However, resistance to these drugs …

Impact of Antibiotics and Biofactor Additives on the Gut Microbiome and Metabolic Pathways in Broiler Chickens

EA Bossila, YA Dowidar, KR Mohamed… - Egyptian Journal of …, 2025 - journals.ekb.eg
Antibiotic use in poultry production raises concerns about microbial resistance and gut
health. This study aims to compare the effects of antibiotic treatment (G1) and Biofactor …

Driving factors for beta-lactam resistance gene amplification during de novo resistance evolution in E. coli

L Nong, XH Liu, XH Wang, W de Leeuw, MJ Jonker… - bioRxiv, 2025 - biorxiv.org
Long-term exposure of E. coli to non-lethal step-wise increasing concentrations of beta-
lactam antibiotics induces high levels of resistance that can be accompanied by …

In-host evolution of Yersinia enterocolitica during a chronic human infection

S Cyril, LB Pierre, G Julien, D Thibaut, B Rodolphe… - bioRxiv, 2024 - biorxiv.org
Following a pacemaker implantation, a 75-years-old patient suffered from five successive
bacteremia episodes between in 1999 and 2013 despite long-term antibiotic treatment, with …