Plasmid-mediated quinolone resistance (PMQR) and mutations in the topoisomerase genes of Salmonella enterica strains from Brazil [PDF]
The objective of this study was to identify mutations in the Quinolone Resistance Determining sources Regions (QRDR) of the gyrA, gyrB, parC, and parE genes and to determine if any of the qnr variants or the aac(6')-Ib-cr variant were present in strains of Salmonella spp. isolated in Brazil. A total of 126 Salmonella spp. strains from epidemic (n = 114)
Ferrari, Rafaela +7 more
openaire +4 more sources
High Carriage of Plasmid-Mediated Quinolone Resistance (PMQR) Genes by Cefotaxime-Resistant Escherichia Coli Recovered from Surface-Leaking Sanitary Sewers [PDF]
Abstract There is a rapid rise in the incident of quinolone resistant bacteria in Nigeria. Most studies in Nigeria have focused on isolates from the clinical settings, with few focusing on isolates of environmental origin. This study aimed to investigate the antibiogram and carriage of plasmid-mediated quinolone resistance (PMQR) genes by ...
Abimbola Olumide Adekanmbi +2 more
openaire +2 more sources
Clonal spread of mcr-1 in PMQR-carrying ST34 Salmonella isolates from animals in China [PDF]
AbstractSince initial identification in China, the widespread geographical occurrence of plasmid-mediated colistin resistance gene mcr-1 in Enterobacteriaceae has been of great concern. In this study, a total of 22 Salmonella enterica were resistant to colistin, while only five isolates which belonged to ST34 Salmonella enterica serovar Typhimurium (S.
Xing-Ping Li +9 more
openaire +2 more sources
PMQR genes oqxAB and aac(6′)Ib-cr accelerate the development of fluoroquinolone resistance in Salmonella typhimurium [PDF]
Emergence of multidrug-resistant Salmonella typhimurium strains, especially the ACSSuT and nalidixic acid R types, has significantly compromised the effectiveness of current strategies to control Salmonella infections, resulting in increased morbidity and mortality. Clinical S.
Wong, MH, Chan, EW, Liu, LZ, Chen, S
openaire +3 more sources
Non-typhoidal salmonellosis remains a pressing public health problem worldwide. Quinolones, particularly fluoroquinolones, are widely used to treat various infections, including non-typhoidal salmonellosis, which can be a serious illness.
Sohyun Lee +7 more
doaj +1 more source
Correlation of quinolone-resistance, qnr genes and integron carriage in multidrug-resistant community isolates of Klebsiella spp. [PDF]
Objective(s): Plasmid-mediated quinolone resistance (PMQR) determinants and integrons have a considerable contribution to bacterial drug resistance in Gram-negative pathogens.
Mohammad Reza Malekjamshidi +2 more
doaj +1 more source
Objectives: This study aimed to characterize the plasmid-mediated quinolone resistance (PMQR) in fluoroquinolone nonsusceptible E. coli (FQNSEC) isolated from patients with urinary tract infections (UTIs) in 2019–2010 and 2020. Methods: A total of 844 E.
Pei-Yun Kuo +10 more
doaj +1 more source
Quinolone resistance (qnrA) gene in isolates of Escherichia coli collected from the Al-Hillah River in Babylon Province, Iraq [PDF]
Aquatic environment contamination remains a foremost global public health hazards, and symbolizes a significant reservoir of releasing antibiotic resistant bacteria. The survival of Escherichia coli in aquatic environments serves as a potential reservoir
Hawraa Mohammed Al-Rafyai +2 more
doaj +3 more sources
Mechanisms of Resistance to Quinolones and Epidemiological Significance of Salmonella spp.
Bacteria develop resistance to antimicrobial agents by a number of different mechanisms. The resistance to (fluoro)quinolones in Salmonella is of particular importance especially if therapy in humans is required.
Velhner Maja
doaj +1 more source
Increasing prevalence of ciprofloxacin-resistant food-borne Salmonella strains harboring multiple PMQR elements but not target gene mutations [PDF]
AbstractFluoroquinolone resistance in Salmonella has become increasingly prevalent in recent years. To probe the molecular basis of this phenomenon, the genetic and phenotypic features of fluoroquinolone resistant Salmonella strains isolated from food samples were characterized. Among the 82 Salmonella strains tested, resistance rate of the three front
Lin, D, Chen, K, Chan, WCE, Chen, S
openaire +3 more sources

