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Presence of quinolone resistance to qnrB1 genes and blaOXA-48 carbapenemase in clinical isolates of Klebsiella pneumoniae in Spain. 2014

J M Rodríguez Martínez, and P Díaz-de Alba, and Lopez-Cerero, and G Ruiz-Carrascoso, and R Gomez-Gil, and A Pascual
Departamento de Microbiología, Universidad de Sevilla, Sevilla, Spain. Electronic address: jmrodriguez@us.es.

A study is presented on the presence of quinolone resistance qnrB1 genes in clinical isolates belonging to the largest series of infections caused by OXA-48-producing Klebsiella pneumoniae in a single-centre outbreak in Spain. Evidence is also provided, according to in vitro results, that there is a possibility of co-transfer of plasmid harbouring blaOXA-48 with an other plasmid harbouring qnrB1 in presence of low antibiotic concentrations of fluoroquinolones, showing the risk of multi-resistance screening.

UI MeSH Term Description Entries
D007711 Klebsiella pneumoniae Gram-negative, non-motile, capsulated, gas-producing rods found widely in nature and associated with urinary and respiratory infections in humans. Bacillus pneumoniae,Bacterium pneumoniae crouposae,Hyalococcus pneumoniae,Klebsiella pneumoniae aerogenes,Klebsiella rhinoscleromatis
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001426 Bacterial Proteins Proteins found in any species of bacterium. Bacterial Gene Products,Bacterial Gene Proteins,Gene Products, Bacterial,Bacterial Gene Product,Bacterial Gene Protein,Bacterial Protein,Gene Product, Bacterial,Gene Protein, Bacterial,Gene Proteins, Bacterial,Protein, Bacterial,Proteins, Bacterial
D001618 beta-Lactamases Enzymes found in many bacteria which catalyze the hydrolysis of the amide bond in the beta-lactam ring. Well known antibiotics destroyed by these enzymes are penicillins and cephalosporins. beta-Lactamase,beta Lactamase,beta Lactamases
D013030 Spain Country located between France on the northeast and Portugal on the west and bordered by the Atlantic Ocean and the Mediterranean Sea. The capital is Madrid. Balearic Islands,Canary Islands
D015363 Quinolones A group of derivatives of naphthyridine carboxylic acid, quinoline carboxylic acid, or NALIDIXIC ACID. Ketoquinoline,Ketoquinolines,Oxoquinoline,Oxoquinolines,Quinolinone,Quinolinones,Quinolone
D024881 Drug Resistance, Bacterial The ability of bacteria to resist or to become tolerant to chemotherapeutic agents, antimicrobial agents, or antibiotics. This resistance may be acquired through gene mutation or foreign DNA in transmissible plasmids (R FACTORS). Antibiotic Resistance, Bacterial,Antibacterial Drug Resistance

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