Results 181 to 190 of about 4,586 (212)

Genomic determinants of fluoroquinolone resistance in Escherichia coli in Nigeria: dominance of QRDR mutations and limited contribution of PMQR in a cross-sectional study. [PDF]

BMC Med Genomics
Medugu N, Aworh MK, Abdulraheem K, Hull DM, Harden L, Thakur S.   +5 more
europepmc   +1 more source

The Role of Migratory Birds in the Dissemination of Antimicrobial Resistance: A One Health Perspective. [PDF]

Vet Sci
Ali A, Adil M, Ahmad B, Ilyas M, Rani R, Alam U, Hongsu H, Hui Z, Zhihua S.   +8 more
europepmc   +1 more source

Surveillance of Multidrug-Resistant Genes in Clinically Significant Gram-Negative Bacteria Isolated from Hospital Wastewater. [PDF]

Antibiotics (Basel)
Shetty SC, Gowda LS, Jacob AM, Shetty K, Shetty AV.   +4 more
europepmc   +1 more source

Emergence of multidrug-resistant and virulent Escherichia coli with APEC‑associated traits in broiler chickens from Ismailia, Egypt. [PDF]

Sci Rep
ELTarabili RM, Abo Hashem ME, Ahmed MA, Yousseff FM, Abdallah MS, Eidaroos NH.   +5 more
europepmc   +1 more source

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Evolution and Recombination of the Plasmidic qnr Alleles

Journal of Molecular Evolution, 2008
qnr is an important and recently emerged plasmidic fluoroquinolone resistance gene. Numerous qnr alleles have been detected, but previous studies have suggested that there is little functional divergence among them. We performed phylogenetic analysis of representative qnr alleles and examined the phylogeny for the occurrence of positive selection (d(N)/
Mia H C, Baquirin, Miriam, Barlow
exaly   +3 more sources

High-resolution melting analysis for rapid characterization of qnr alleles in clinical isolates and detection of two novel alleles, qnrB25 and qnrB42.

Journal of Antimicrobial Chemotherapy, 2012
International audienceOBJECTIVES: qnr genes are plasmid-mediated quinolone resistance genes. Five qnr families have been described with several alleles (7 alleles of qnrA, 53 alleles of qnrB, 1 allele of qnrC, 1 allele of qnrD and 6 alleles of qnrS ...
Emmanuelle Cambau, Thomas Guillard, Christophe De Champs   +2 more
exaly   +2 more sources

Plasmidic qnr Genes Confer Clinical Resistance to Ciprofloxacin under Urinary Tract Physiological Conditions. [PDF]

Antimicrobial Agents and Chemotherapy, 2017
Escherichia coli variants expressing plasmid-mediated qnr genes are usually susceptible to fluoroquinolones by standard susceptibility testing. Here we show that, under specific urinary tract physiological conditions, susceptible laboratory and clinical ...
Guillermo Martín-Gutiérrez, Alvaro Pascual, Jesus Blazquez   +2 more
exaly   +2 more sources

Cytotoxic Effect Associated with Overexpression of QNR Proteins in Escherichia coli

Microbial Drug Resistance, 2017
Objective: The objective was to evaluate the cytotoxic effect associated with overexpression of multiple Qnr-like plasmid-mediated quinolone resistance (PMQR) mechanisms in Escherichia coli .
Jesús, Machuca, Paula, Diaz de Alba, Esther, Recacha, Álvaro, Pascual, José Manuel, Rodriguez-Martinez   +4 more
openaire   +2 more sources

Using QNR index as decision criteria for improving fusion quality

2008 2nd International Conference on Advances in Space Technologies, 2008
Pansharpening is the process of improving spatial resolution of multispectral (MS) satellite images using the spatial details of a high resolution panchromatic (PAN) image. Quality without reference (QNR) index is a tool which can be used to determine the global quality of the fused images without requiring a high resolution reference MS image.
Muhammad Murtaza Khan, Jocelyn Chanussot, Bensaid Siouar, Julien Osman   +3 more
openaire   +1 more source

Bloodstream infections caused by qnr-positive Enterobacteriaceae: clinical and microbiologic characteristics and outcomes

Diagnostic Microbiology and Infectious Disease, 2010
The clinical significance of plasmid-mediated quinolone resistance determinant qnr has not been well characterized. We investigated the clinical and microbiologic characteristics and outcomes of bloodstream infections (BSIs) caused by qnr-positive Enterobacteriaceae. We prospectively collected 351 nonduplicate consecutive blood isolates of Enterobacter
Yong Pil, Chong, Sang-Ho, Choi, Eun Sil, Kim, Eun Hee, Song, Eun Jung, Lee, Ki-Ho, Park, Oh-Hyun, Cho, Sung-Han, Kim, Sang-Oh, Lee, Mi-Na, Kim, Jin-Yong, Jeong, Jun Hee, Woo, Yang Soo, Kim   +12 more
openaire   +2 more sources