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http://dx.doi.org/10.1128/AAC.00444-07 | DOI Listing |
PLoS One
May 2025
Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand.
Escherichia coli is the major causative agent for urinary tract infections (UTIs), and fluoroquinolones (FQ) are commonly used in the treatment of patients with UTIs. The surge in FQ-resistant E. coli is an important public health threat worldwide.
View Article and Find Full Text PDFVet Microbiol
July 2025
Centre for Biosecurity and One Health, Harry Butler Institute, Murdoch University, Murdoch, Western Australia 6150, Australia. Electronic address:
Escherichia coli recovered from dogs with clinical conditions such as urinary tract infections are often used to assess populations for resistance to critically important antimicrobials (CIAs). Despite the potential importance of such strains, the number of organisms scrutinised is very small and no information is obtained from the preponderance of normal, healthy dogs. Commensal E.
View Article and Find Full Text PDFFood Res Int
June 2025
Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), Zaragoza, Spain. Electronic address:
The alarming occurrence of antimicrobial resistance (AMR) in human bacterial isolates indicates that prevention and control protocols are not adequately managing this global threat. The agri-food chain plays a noteworthy role in the dissemination of AMR via the handling and consumption of contaminated food products. However, it remains unclear whether acquisition of AMR in bacteria might indirectly enhance bacterial tolerance to food preservation methods (i.
View Article and Find Full Text PDFVet Q
December 2025
Department of Animal and Plant Quarantine Agency, Bacterial Disease Division, Animal and Plant Quarantine Agency, Gimcheon-si, Republic of Korea.
We isolated 6,561 strains from food animals, cattle ( = 217), pigs (= 1526), chickens ( = 3942), and ducks ( = 876). Isolates were evaluated for antimicrobial sensitivity, mutations in quinolone resistance determination regions (QRDRs), and plasmid-mediated quinolone resistance (PMQR) genes. Clonal relationship and genetic diversity were assessed by multi-locus sequence typing (MLST) and pulsed-field gel electrophoresis (PFGE).
View Article and Find Full Text PDFCan J Microbiol
January 2025
National Microbiology Laboratory Branch, Public Health Agency of Canada, Winnipeg, MB, Canada.
Ciprofloxacin is important for treatment of severe or invasive infections in humans. As laboratories transition from phenotypic to genomics-based methods for determining ciprofloxacin non-susceptibility, it is important to define the correlation between genetic determinants of resistance and phenotypic outcomes. Here, we examined ciprofloxacin resistance mechanisms in and tested the hypothesis that isolates containing only one mechanism had intermediate resistance while isolates containing two or more mechanisms had full resistance according to breakpoints from the Clinical Laboratory Standards Institute.
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