Please use this identifier to cite or link to this item: https://scholarhub.balamand.edu.lb/handle/uob/6960
Title: Whole-genome sequence analysis of carbapenem-resistant Enterobacteriaceae recovered from hospitalized patients
Authors: El Khoury, Maria
Salloum, Tamara
Al Kodsi, Ibrahim
Jisr, Tamima
Chaar, Mira El 
Tokajian, Sima
Affiliations: Department of Medical Laboratory Sciences 
Keywords: Carbapenem-resistant Enterobacteriaceae
Carbapenemases
IncFIB(K)
NDM
OXA-48
Issue Date: 2023-09
Publisher: Elsevier
Part of: Journal of Global Antimicrobial Resistance
Volume: 34
Start page: 150
End page: 160
Abstract: 
Objectives: Carbapenems are among the few effective antibiotics against multidrug-resistant Enterobacteriaceae. This study aimed at characterizing the plasmid content and resistome of clinical carbapenem-resistant Enterobacteriaceae (CRE) recovered from 2016 to 2019 from hospitalized patients in Lebanon. Methods: Plasmid typing and whole-genome sequencing were used to study the genomic characteristics of 65 clinical CREs including 27 Escherichia coli, 24 Klebsiella pneumoniae, one Klebsiella quasipneumoniae, three Morganella morganii, three Citrobacter freundii, five Enterobacter hormaechei, and two Serratia marcescens. Results: blaOXA-48 (33.8%; n = 22) and blaOXA-48-like genes were among the detected resistance determinants, with two isolates co-harbouring blaNDM-5. Various blaNDM variants, blaNDM-1 (16.9%; n = 11), blaNDM-5 (9.2%; n = 6), blaNDM-7 (9.2%; n = 6), and blaNDM-19 (4.6%; n = 3), different ESBLs, and AmpC β-lactamases were detected. Carbapenem resistance determinants were linked to a variety of incompatibility groups with IncFIB(K) (43.1%; n = 28) being the most prevalent, followed by IncFIA (40.0%), IncL (35.4%), IncX3 (32.3%), IncI1 (32.3%), and IncFIIK (29.2%). Conclusions: We analysed the clonality and resistance determinants of 65 multidrug-resistant (MDR) Enterobacteriaceae recovered in the period from 2016 to 2019 from a large tertiary hospital in Lebanon. NDM variants, OXA-48, and OXA-181 were the most prevalent detected carbapenemases and were mostly linked to the dissemination of IncL, IncX3, and IncF. This study reinforces the need to track the spread and dominance of clinically relevant carbapenemase-encoding plasmids in healthcare settings. © 2023 The Author(s)
URI: https://scholarhub.balamand.edu.lb/handle/uob/6960
ISSN: 22137165
DOI: 10.1016/j.jgar.2023.07.004
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Medical Laboratory Sciences

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