In: European Journal of Clinical Microbiology & Infectious Diseases, 2017, p. 1–5
Multidrug-resistant (MR) Gram-negative (GN) pathogens pose a major and growing threat for healthcare systems, as therapy of infections is often limited due to the lack of available systemic antibiotics. Well-tolerated antiseptics, such as octenidine dihydrochloride (OCT), may be a very useful tool in infection control to reduce the dissemination of MRGN. This study aimed to investigate the...
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In: Microbial Drug Resistance, 2019, vol. 25, no. 5, p. 663–667
The aim of the study was to decipher the mechanisms and associated genetic determinants responsible for increased carbapenem resistance among Proteus mirabilis clinical isolates.Methods: The entire genetic structure surrounding the β- lactam resistance genes was characterized by PCR, gene walking, and DNA sequencing.Results: A series of clinical P. mirabilis isolates were consecutively ...
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In: Journal of Antimicrobial Chemotherapy, 2019, vol. 74, no. 6, p. 1521–1530
Beyond plasmid-encoded resistance (mcr genes) prevalence in strain collections, large epidemiological studies to estimate the human burden of colistin-resistant Escherichia coli gut carriage are lacking.Objectives: To evaluate the prevalence of colistin-resistant E. coli carriage in inpatients and decipher the molecular support of resistance and the genetic background of the strains.Methods:...
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In: Clinical Infectious Diseases, 2020, vol. 70, no. 9, p. 1998–2001
In July 2017, a patient presented colonization with a multidrug-resistant, carbapenemase (KPC-3)-producing Klebsiella pneumoniae isolate. A custom-made, lytic bacteriophage preparation was administered to the patient in December 2017, with subsequent eradication of the microorganism and without adverse effects.
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In: Clinical Microbiology and Infection, 2019, vol. 25, no. 12, p. 1563.e5-1563.e8
Colistin often remains the last resort antibiotic active against carbapenemase- producing Enterobacteriaceae. However, while in vitro inoculum effect has been reported, therapeutic relevance of this phenomenon remains questioned.Methods: Ten E. coli strains were used that included the wild-type CFT073 and its transconjugant CFT073-MCR-1 and eight susceptible clinical isolates. Mice with ...
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In: The Lancet Infectious Diseases, 2016, vol. 16, no. 3, p. 281–282
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In: Diagnostic Microbiology and Infectious Disease, 2018, vol. 92, no. 2, p. 90–94
The commercial Rapid Polymyxin NP test was evaluated to detect colistin-resistant Enterobacteriaceae. A total of 223 enterobacterial isolates corresponding to 136 resistant (including 38 MCR-like producers), 19 heteroresistant, and 78 colistin- susceptible isolates were tested. The test was performed according to the manufacturer's instruction, and the color of the wells was read after 2 and 3...
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In: Antimicrobial Agents and Chemotherapy, 2016, vol. 60, no. 10, p. 6189–6192
This study aimed to evaluate the prevalence of carbapenemase-producing Enterobacteriaceae in Luanda, Angola. A total of 157 rectal samples were collected from children visiting a pediatric hospital in Luanda in March 2015. Fifty-seven imipenem-nonsusceptible enterobacterial isolates were recovered, most of which were non-clonally related. The blaOXA-181 (50/57) and blaNDM-1 (7/57)...
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In: Antimicrobial Agents and Chemotherapy, 2017, p. AAC.00129-17
Plasmid-mediated resistance to polymyxins mediated by the MCR-1/-2 determinants has been recently reported in Enterobacteriaceae worldwide. Using PCR-based and cloning strategies, a series of Moraxella species were screened for mcr-like genes. Moraxella spp. that are mainly animal pathogens but may also be human pathogens were identified as potential reservoirs of mcr-like genes.
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In: Antimicrobial Agents and Chemotherapy, 2016, vol. 60, no. 4, p. 2585–2586
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