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Two carbapenem-resistant Raoultella planticola clinical isolates were isolated from patients with pneumonia and Port-A catheter-related bacteremia, respectively, in Taiwan. These isolates remained susceptible to fluoroquinolone, aminoglycoside, and colistin. Though the two isolates had the same antibiogram, plasmidic carbapenemase blaIMP-8, class 1 integron(More)
Among 55 preserved isolates collected in northern Taiwan from 1999 through 2003, ciprofloxacin resistance (minimum inhibitory concentration, >or=1 microg/mL) was found in 1 (25%) of 4 isolates obtained in 1999-2000 and in 27 (93.1%) of 29 isolates obtained in 2003. Pulsed-field gel electrophoresis analysis indicated that several clones predominated among(More)
Although fosfomycin is a treatment option for infections caused by extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae, fosfomycin resistance has been documented. To our knowledge, fosfomycin resistance mechanisms in Klebsiella pneumoniae have not been systematically investigated. A total of 108 ESBL-producing K. pneumoniae isolates collected(More)
A total of 71 fusidic acid-resistant Staphylococcus aureus (45 methicillin-resistant and 26 methicillin-susceptible) isolates were examined for the presence of resistance determinants. Among 45 fusidic acid-resistant methicillin-resistant S. aureus (MRSA), isolates, 38 (84%) had fusA mutations conferring high-level resistance to fusidic acid (the MIC was(More)
We investigated the sequence and the genetic context of the erm(T) gene in six inducible erythromycin-resistant Streptococcus gallolyticus subsp. pasteurianus (formerly S. bovis biotype II.2) isolates. In all isolates, the erm(T) genes were flanked by two IS1216V-like elements with the same polarity and were found to be inserted in the chromosome.
To investigate the efficacy of fosfomycin against extended-spectrum β-lactamases (ESBL) producing Escherichia coli in Taiwan and the resistance mechanisms and characterization of human and pig isolates, we analyzed 145 ESBL-producing isolates collected from two hospitals (n = 123) and five farms (n = 22) in Taiwan from February to May, 2013. Antimicrobial(More)
We evaluated the disk susceptibility data of 671 nontyphoid Salmonella isolates collected from different parts of Taiwan from March 2001 to August 2001 and 1,261 nontyphoid Salmonella isolates from the National Taiwan University Hospital from 1996 to 2001. Overall, ciprofloxacin resistance was found in 2.7% (18/671) of all nontyphoid Salmonella isolates, in(More)
The variation in qnr genes and serotypes harbouring these genes observed in the present study indicates horizontal dissemination of genes between different serotypes of S. enterica in The Netherlands. Although the impact of transferable quinolone resistance is not totally clear, the presence of qnr genes in Salmonella is considered a matter of concern.(More)