Development of a Multiplex PCR Assay for the Detection of Extended-Spectrum Beta-Lactamase Genes in Isolates in Tehran City, Iran

Overview

Journal Indian J Microbiol

Specialty Microbiology

Date 2024 Sep 16

PMID 39282189

Authors

Zahra Mottaghiyan

Davoud Esmaeili

Mohammad Hossein Ahmadi

Niakan

Affiliations

Soon will be listed here.

Abstract

Extended‑spectrum β‑lactamase (ESBL) genes are responsible for creating Multidrug‑resistant and Extensive drug resistance (XDR) patterns in isolates, so limit treatment options and increase mortality and morbidity. This study aimed to development of a multiplex PCR assay for the detection of extended-spectrum beta-lactamase genes including , and among clinical samples of isolates in Tehran, Iran. In present study, 100 clinical strains have been gathered from patients in Motahhari hospital in Tehran city, Iran. Antibiotic susceptibility test was conducted by Kirby-Bauer disc diffusion method. To identify ESBL-producing strains, used combined disk test and Multiplex PCR method was used for Simultaneous diagnosis of , , and genes. Out of 100 isolates, 93% were ESBL-positive according to the phenotypic test. Most of the isolates were XDR and the highest sensitivity was for colistin. The frequency of , and genes was 95, 1, and 2% respectively. The high percentage of antibiotic resistance and high prevalence of the gene in isolates is a serious threat to the effectiveness of available antibiotics. This study showed Multiplex PCR can be a reliable and sensitive technique for the fast detection of ESBL genes in isolates.

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