ISSN: 0973-7510

E-ISSN: 2581-690X

Research Article | Open Access
Abdulaziz Alangari1 , Ahmad Abu Jaffal2, Naif Almutairi1 and Abdullah A. Alyousef1
1Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh, 11433, Saudi Arabia.
2Department of Clinical Laboratory Sciences, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.
J Pure Appl Microbiol. 2022;16(1):540-548 | Article Number: 7481 | © The Author(s). 2022
Received: 09/12/2021 | Accepted: 15/01/2022 | Published online: 21/02/2022
Issue online: March 2022

The aim of this study was to identify and compare the plasmid replicons of clinical uropathogenic Escherichia coli (UPEC) isolates, involving extended spectrum β-lactamase (ESBL)-positive and ESBL-negative, E. coli ST131 and non-ST131 and various ST131 subclones. Plasmid replicon typing on 24 clinical UPEC isolates was carried out using polymerase chain reaction-based replicon typing. A statistical analysis was performed to assess the associations between plasmid replicon types and ESBL carriage, and to evaluate the link between ST131 isolates and high replicon carriage. Eight replicons, I1α, N2, Iγ, X1, FIIS, K, FIA, and FII were detected. The FII was the most common replicon identified here. ESBL-positive E. coli isolates were highly associated with I1α, N2, Iγ, X1, and FIIS replicons, while FIA was present only in ESBL-negative group. ST131 isolates were highly associated with I1α and N2 replicons compared to non-ST131. No link was found between replicon carriage and the number or type of ESBLs in E. coli isolates. The diversity observed in replicon patterns of our clinical E. coli isolates indicates that they might be originated from different sources. The presence of replicons reported previously in animal sources suggests a possible transfer of antimicrobial resistance between animal and human bacterial isolates.


Plasmid, replicon typing, E. coli, ESBL, ST131, H30

Article Metrics

Article View: 106

Share This Article

© The Author(s) 2022. Open Access. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License which permits unrestricted use, sharing, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.