Clonality and the Phenotype–Genotype Correlation of Antimicrobial Resistance in <i>Acinetobacter baumannii</i> Isolates: A Multicenter Study of Clinical Isolates from Romania

Clonality and the Phenotype–Genotype Correlation of Antimicrobial Resistance in <i>Acinetobacter baumannii</i> Isolates: A Multicenter Study of Clinical Isolates from Romania

Antibiotic resistance is on the WHO’s top 10 list of global public health threats due to its rapid emergence and spread but also because of the high morbidity and mortality associated with it. Amongst the main species driving this phenomenon is <i>A. baumannii</i>, a member of the ESKAPE...

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Main Authors: Adrian-Gabriel Pană, Pavel Șchiopu, Dan Alexandru Țoc, Vlad Sever Neculicioiu, Anca Butiuc-Keul, Anca Farkas, Matei-Ștefan Dobrescu, Mirela Flonta, Carmen Costache, Izabella Éva Szász, Lia-Monica Junie
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Microorganisms
Subjects:
antibiotic resistance genes
carbapenem-resistant <i>Acinetobacter baumannii</i>
clonality
ESKAPE
Europe
extensively drug resistant
Online Access:https://www.mdpi.com/2076-2607/13/1/176
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Summary:Antibiotic resistance is on the WHO’s top 10 list of global public health threats due to its rapid emergence and spread but also because of the high morbidity and mortality associated with it. Amongst the main species driving this phenomenon is <i>A. baumannii</i>, a member of the ESKAPE group of medical assistance-associated infections causing species famous for its extensively drug-resistant phenotypes. Our findings note a 91.52% frequency of extensively drug-resistant carbapenem-resistant <i>A. baumannii</i> (XDR CRAB) phenotype amongst clinical isolates from multiple hospitals in two major cities from northwestern and central Romania, harboring multiple antibiotic resistance genes such as bla<i><sub>OXA-23-like</sub></i> in 108 (91.5%) isolates, bla<i><sub>OXA-24/40-like</sub></i> in 88 (74.6%) isolates, bla<i><sub>NDM</sub></i> in 29 (25%) isolates, <i>ArmA</i> in 75 (63.6%) isolates, and <i>ant(3″)-I</i> in 69 (58.5%) isolates and <i>sul1</i> in 113 (95.76%) isolates. The isolates, although nearly identical in phenotype, displayed different genotypical profiles, with varying degrees of similarity across hospitals and cities, raising the possibility of both local outbreaks of a single clone and widespread dissemination of resistant isolates.
ISSN:2076-2607

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