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Carbapenemase-producing organisms (CPO) are rapidly disseminating worldwide, and their presence in tertiary care hospitals poses a significant threat to the management of nosocomial infections. There is a need to control CPO, especially in intensive care unit (ICU) patients, because these organisms are resistant to most β-lactam antibiotics and are easily(More)
The aim of this work was to investigate the mechanism responsible for multidrug resistance in ST11 Klebsiella pneumoniae YMC 2013/7/B3993 containing multiple copies of ESBL genes using multiple parallel sequencing technology. In-depth analysis of the strain revealed multiple copies of ESBL genes, 2 copies of blaSHV-12 and 1 copy of blaCTX-M-15. Furthermore,(More)
In recent years, antimicrobial resistance has become a major medical threat worldwide. Among these threats, the rapid increase in carbapenem-resistant Acinetobacter baumannii (CRAB) is a particularly challenging global issue in the health care setting. In this study, a novel lytic A. baumannii phage, Βϕ-R3177, infecting carbapenem-resistant A. baumannii(More)
We identified the carbapenemase gene blaOXA-499, a variant of blaOXA-143, from a clinical isolate of Acinetobacter pittii for the first time. OXA-499 shared 93.1% amino acid identity with OXA-143, and the gene was located on the chromosome. By cloning the OXA-499-encoding gene into the pWH1266 vector and transforming it into susceptible Acinetobacter spp.,(More)
Quality control (QC) processes are being performed in the majority of clinical microbiology laboratories to ensure the performance of microbial identification and antimicrobial susceptibility testing by using ATCC strains. To obtain these ATCC strains, some inconveniences are encountered concerning the purchase cost of the strains and the shipping time(More)
To detect the outer membrane protein (OMP), which plays a key role in carbapenem resistance, whole-genome and transcriptome analysis of the clinical carbapenem-resistant Klebsiella pneumoniae was carried out. The index strain lacked both OmpK35 and OmpK36, whereas the other strains lacked only OmpK35. After SDS-PAGE, the putative OMP bands were excised and(More)
Klebsiella pneumoniae is responsible for numerous infections caused in hospitals, leading to mortality and morbidity. It has been evolving as a multi-drug resistant pathogen, acquiring multiple resistances such as such as horizontal gene transfer, transposon-mediated insertions or change in outer membrane permeability. Therefore, constant efforts are being(More)
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