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Molecular epidemiology of extended-spectrum beta-lactamases and carbapenemases-producing Shigella in Africa: a systematic review and meta-analysis.
BMC Infect Dis
January 2025
Department of Medical Microbiology, University of Ghana Medical School, Korle Bu, P.O. Box KB 4236, Accra, Ghana.
Background: The treatment of Shigella infections has become a major challenge due to the emergence of multidrug-resistant Shigella. There is however insufficient knowledge regarding the molecular epidemiology of Shigella strains producing beta-lactamases in Africa. This systematic review investigated the scientific literature on the molecular epidemiology of extended-spectrum beta-lactamase (ESBL) and carbapenemases producing Shigella in Africa.
View Article and Find Full Text PDFMolecular Epidemiological Characteristics of -Carrying ST-11 in Hospitalized Patients.
Infect Drug Resist
January 2025
Department of Respiratory and Critical Care Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China.
Purpose: To investigate the molecular epidemiology and risk factors of carbapenem-resistant (CRKP) infection.
Patients And Methods: Patient's clinical data and CRKP strains were collected from November 2017 to December 2018 at a tertiary hospital in Wuhan, China. The antimicrobial susceptibilities, carbapenem-resistant genes, multi-locus sequence typing (MLST), homologous analysis, and risk factors for CRKP were determined.
Development of molecular Trojan horses targeting New Delhi metallo-β-lactamase-1 for the restoration of meropenem susceptibility in drug-resistant bacteria.
Eur J Med Chem
January 2025
Laboratory for Marine Drugs and Bioproducts, Qingdao Marine Science and Technology Center, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266071, China. Electronic address:
The emergence of New Delhi metallo-β-lactamase-1 (NDM-1) poses a significant threat to the clinical application of antibiotics, as it possesses the ability to hydrolyze nearly all β-lactam antibiotics. Regrettably, there are currently no clinical drugs targeting NDM-1, making it imperative to develop highly potent and minimally toxic NDM-1 inhibitors. Herein, a series of molecular Trojan horses targeting NDM-1 were synthesized by introducing ebselen into 7-aminocephalosporanic acid derivatives via a C-Se bond.
View Article and Find Full Text PDFEmerging carbapenem-resistant in a tertiary care hospital in Lima, Peru.
Microbiol Spectr
January 2025
Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru.
The emergence of carbapenem-resistant (CRKP) poses a significant public health threat, particularly in low- and middle-income countries (LMICs) with limited surveillance and treatment options. This study examines the genetic diversity, resistance patterns, and transmission dynamics of 66 CRKP isolates recovered over 5 years (2015-2019) after the first case of CRKP was identified at a tertiary care hospital in Lima, Peru. Our findings reveal a shift from to as the dominant carbapenemase gene after 2017.
View Article and Find Full Text PDFTracking clonal and plasmid transmission in colistin- and carbapenem-resistant .
mSystems
January 2025
Institute for Infection Prevention and Control, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
The surveillance of mobile genetic elements facilitating the spread of antimicrobial resistance genes has been challenging. Here, we tracked both clonal and plasmid transmission in colistin- and carbapenem-resistant using short- and long-read sequencing technologies. We observed three clonal transmissions, all containing Incompatibility group (Inc) L plasmids and New Delhi metallo-beta-lactamase , although not co-located on the same plasmid.
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