Results 1 to 10 of about 6,266 (205)

Distribution and genetic characterization of fluoroquinolone resistance gene qnr among Salmonella strains from chicken in China

open access: yesMicrobiology Spectrum
The prevalence and dissemination of the plasmid-mediated fluoroquinolone (FQ) resistance gene qnr in Salmonella are considered serious public health concerns worldwide.
Haihong Hao   +2 more
exaly   +4 more sources

Enhanced Bacterial Fitness Under Residual Fluoroquinolone Concentrations Is Associated With Increased Gene Expression in Wastewater-Derived qnr Plasmid-Harboring Strains

open access: yesFrontiers in Microbiology, 2018
Plasmids harboring qnr genes confer resistance to low fluoroquinolone concentrations. These genes are of significant clinical, evolutionary and environmental importance, since they are widely distributed in a diverse array of natural and clinical ...
Ella Kaplan   +2 more
exaly   +4 more sources

Plasmid –mediated antimicrobial resistance bla CMY-2 gene and qnr (qnr A,qnr B and qnr S) genes in Salmonella isolated from human, animal and milk [PDF]

open access: yesBasrah Journal of Veterinary Research, 2021
  This study was conducted to detect the blaCMY-2 gene and qnr genes (qnrA, qnrB and qnrS)in Salmonella isolates from 278 different samples (50 direct milk samples, 50 indirect milksamples, 50 feces samples, 50 teat swab samples, 28 manual milk ...
Mohammed Khudor, Marwan Mohammed
doaj   +2 more sources

Association of qnr Genes and OqxAB Efflux Pump in Fluoroquinolone-Resistant Klebsiella pneumoniae Strains

open access: yesInternational Journal of Microbiology, 2023
Background. The aim of this study was to investigate the frequency and relationship between plasmid-mediated quinolone resistance genes and OqxAB pump genes, as well as the genetic linkage in K.
Fereshteh Amereh   +3 more
doaj   +2 more sources

Phenotypic and Genotypic Properties of Fluoroquinolone-Resistant, qnr-Carrying Escherichia coli Isolated from the German Food Chain in 2017

open access: yesMicroorganisms, 2021
Fluoroquinolones are the highest priority, critically important antimicrobial agents. Resistance development can occur via different mechanisms, with plasmid-mediated quinolone resistance (PMQR) being prevalent in the livestock and food area. Especially,
Katharina Juraschek   +8 more
doaj   +2 more sources

Antimicrobial Susceptibility and Frequency of bla and qnr Genes in Salmonella enterica Isolated from Slaughtered Pigs

open access: yesAntibiotics, 2021
Salmonella enterica is known as one of the most common foodborne pathogens worldwide. While salmonellosis is usually self-limiting, severe infections may require antimicrobial therapy.
Alyzza Marie B Calayag   +2 more
exaly   +2 more sources

Distribution of quinolone resistance gene (qnr) in ESBL-producing Escherichia coli and Klebsiella spp. in Lomé, Togo

open access: yesAntimicrobial Resistance and Infection Control, 2019
Background Qnr genes are known to confer a low-level resistance to fluoroquinolone in Enterobacteriaceae. They are often found on the same resistance plasmids as extended spectrum β-lactamase (ESBL) and constitute the most common antibiotic resistance ...
Fortune Djimabi Salah   +8 more
doaj   +2 more sources

Plasmid-Mediated Quinolone Resistance Genes in Escherichia coli Strains Isolated from Healthy Dogs [PDF]

open access: yesVeterinary Sciences
Knowledge about the potential roles of pets as reservoirs for plasmid-mediated quinolone resistance is still limited in Türkiye. Thus, in our study, the presence of plasmid-mediated quinolone genes (qnrA, qnrB and qnrS) was examined by multiplex ...
Fatma Kalaycı-Yüksek   +4 more
doaj   +2 more sources

Molecular Insights and Antibiotic Resistance of <i>Proteus mirabilis</i> from Retail Meat Sources in Iran. [PDF]

open access: yesFood Sci Nutr
Isolation and characterization of antibiotic‐resistant *Proteus mirabilis* from retail meat in Iran. The workflow illustrates the screening of meat samples, genomic identification of *P. mirabilis*, and molecular analysis of resistance genes. ABSTRACT Proteus mirabilis (P.
Kamali SK   +3 more
europepmc   +2 more sources

Plasmidic qnr Genes Confer Clinical Resistance to Ciprofloxacin under Urinary Tract Physiological Conditions

open access: yesAntimicrobial Agents and Chemotherapy, 2017
Guillermo Martín-Gutiérrez   +2 more
exaly   +2 more sources

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