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ORIGINAL ARTICLE
Year : 2020  |  Volume : 33  |  Issue : 1  |  Page : 205-209

Role of AdeB gene in multidrug-resistance Acinetobacter


1 Department of Clinical Pathology, Faculty of Medicine, Menoufia University, Menoufia, Egypt
2 Department of Clinical Biochemistry and Diagnostic Molecular Biology, National Liver Institute, Menoufia University, Menoufia, Egypt
3 Department of Clinical Pathology, Faculty of Medicine, Banha University Banha, Egypt

Correspondence Address:
Reem M ElKholy
ShebinElkom, Faculty of Medicine, Yaseen Abdelghafar Street 32511
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/mmj.mmj_434_18

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Objective The aim was to determine the role of the Ade B gene in multidrug-resistant Acinetobacter isolated from ICUs of Menoufia University Hospitals. Background Acinetobacter is a gram-negative bacteria that may cause serious infections. Numerous mechanisms are involved in its resistance to drug therapy. The active efflux mechanism is an important factor for development of multidrug resistance. The Ade ABC system is important efflux system in mediating such resistance. Therefore, the present study was designed to analyze the association between the expression level of Ade B gene and drug resistance in Acinetobacter. Materials and methods This case–control study was carried out in the period between October 2016 and October 2018. It was done at Clinical Pathology Department, Faculty of Medicine, Menoufia University Hospitals. The patients were selected from ICUs of Menoufia University Hospitals. The study included clinical samples collected from 614 patients admitted to ICUs. All clinical Acinetobacter isolates were further studied for determination of antibiotic susceptibility patterns and detection of Ade B gene by real-time PCR. Results Of the 614 samples, 70 (11.4%) Acinetobacter were isolated. Regarding antimicrobial resistance pattern, 61.4% of the Acinetobacter isolates were found multidrug and extensive drug resistant. There was significant increase in Ade B gene expression (P < 0.001) in multidrug-resistant isolates in relation to susceptible isolates. Conclusion AdeB gene plays a vital role in multidrug resistance in clinical Acinetobacter isolates. These results may benefit to design active efflux pump inhibitors. Moreover, implementation of strict microbial policies and infection control programs may prevent the rapid dissemination of this organism.


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