Emergence of Plasmid-Mediated Quinolone Resistance among Non-Typhi Salmonella enterica Isolates from Humans in the United States

Emergence of Plasmid-Mediated Quinolone Resistance among Non-Typhi Salmonella enterica Isolates from Humans in the United States Emergence of the Quinolone Resistance-Mediating Gene aac(6′)-Ib-cr in Extended-Spectrum-β-Lactamase-Producing Klebsiella Isolates Collected in Slovenia between 2000 and 2005 High Prevalence of Plasmid-Mediated Quinolone Resistance Genes qnr and aac(6′)-Ib-cr in Clinical Isolates of Enterobacteriaceae from Nine Teaching Hospitals in China Presence of Plasmid-Mediated Quinolone Resistance in Klebsiella pneumoniae Isolates Possessing bla _KPC in the United States Mechanisms of Resistance in Nontyphoidal Salmonella enterica Strains Exhibiting a Nonclassical Quinolone Resistance Phenotype High Prevalence of Plasmid-Mediated Quinolone Resistance Determinants qnr , aac(6 ′ ) - Ib-cr , and qepA among Ceftiofur-Resistant Enterobacteriaceae Isolates from Companion and Food-Producing Animals Coprevalence of Plasmid-Mediated Quinolone Resistance Determinants QepA, Qnr, and AAC(6′)-Ib-cr among 16S rRNA Methylase RmtB-Producing Escherichia coli Isolates from Pigs Prevalence of aac(6′)-Ib-cr Encoding a Ciprofloxacin-Modifying Enzyme among Enterobacteriaceae Blood Isolates in Korea Prevalence and Expression of the Plasmid-Mediated Quinolone Resistance Determinant qnrA1 First Report of Plasmid-Mediated Quinolone Resistance Determinant qnrS1 in an Escherichia coli Strain of Animal Origin in Italy