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Dissemination of multiple carbapenem-resistant clones of Acinetobacter baumannii in the Eastern District of Saudi Arabia

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posted on 2023-07-26, 13:40 authored by Abdulrahman A. Alsultan, Benjamin A. Evans, Elsayed Aboulmagd, Ahmed A. Al-Qahtani, Marie Fe F. Bohol, Mohammed N. Al-Ahdal, Andres F. Opazo, Sebastian G. B. Amyes
It has previously been shown that carbapenem-resistant Acinetobacter baumannii are frequently detected in Saudi Arabia. The present study aimed to identify the epidemiology and distribution of antibiotic resistance determinants in these bacteria. A total of 83 A. baumannii isolates were typed by pulsed-field gel electrophoresis (PFGE), and screened by PCR for carbapenemase genes and insertion sequences. Antibiotic sensitivity to imipenem, meropenem, tigecycline, and colistin were determined. Eight different PFGE groups were identified, and were spread across multiple hospitals. Many of the PFGE groups contained isolates belonging to World-wide clone 2. Carbapenem resistance or intermediate resistance was detected in 69% of isolates. The blaVIM gene was detected in 94% of isolates, while blaOXA–23–like genes were detected in 58%. The data demonstrate the co-existence and wide distribution of a number of clones of carbapenem-resistant A. baumannii carrying multiple carbapenem-resistance determinants within hospitals in the Eastern Region of Saudi Arabia.

History

Refereed

  • Yes

Volume

6

Page range

634

Publication title

Frontiers in Microbiology

ISSN

1664-302X

Publisher

Frontiers Media

File version

  • Published version

Language

  • eng

Legacy posted date

2015-10-14

Legacy creation date

2019-06-24

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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