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Information Journal Paper

Title

IDENTIFICATION AND CHARACTERIZATION OF METALLO-β-LACTAMASES PRODUCING PSEUDOMONAS AERUGINOSA CLINICAL ISOLATES IN UNIVERSITY HOSPITAL FROM ZANJAN PROVINCE, IRAN

Pages

  129-133

Abstract

 Background: Infectious by PSEUDOMONAS AERUGINOSA has spread worldwide and metallo-beta-lactamases (MBL) are being reported with increasing frequency. The aim of this study was to investigate the antibiotic susceptibility and distribution of blaVIM and blaIMP genes in P. aeruginosa isolates from Zanjan Province of Iran.Methods: A total of 70 P. aeruginosa isolates were identified from patients admitted at intensive care units. The antimicrobial susceptibility was tested by disk diffusion (Kirby-Bauer) method and for production of MBL using double-disk synergy test (DDST). After DNA extraction, the presence of blaVIM and blaIMP genes and class 1 integron were detected by PCR.RESULTS: Most of the isolates were resistant to meropenem, cefotaxime and imipenem (IPM). Also, 44.70 (62.85%) IPM resistant isolates were confirmed by DDST. Of the 44 clinical isolates, 41 (93%) isolates showed MIC³4 mg/ml for IPM. Based on the DDST results, 36 (87.8%) were confirmed to be MBL producers.PCR amplification showed that 23.41 (56%) carried blaVIM and 10.41 (24.3%) possessed blaIMP gene. Also, 31.44 (70.5%) isolates contained class 1 integron gene.Conclusion: Our results highlight that the genes for Verona integron-encoded metallo-b-lactamase, IPM b-lactamases and class 1 integrons were predominantly present among the IPM-resistant P. aeruginosa tested in our province and also the frequency of blaVIM type is higher than blaIMP.This is the first report of P. aeruginosa strains producing blaIMP with high frequency from Zanjan province of Iran.

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    • Cite

    APA: Copy

    DOOSTI, MASOUMEH, RAMAZANI, ALI, & GARSHASBI, MARYAM. (2013). IDENTIFICATION AND CHARACTERIZATION OF METALLO-β-LACTAMASES PRODUCING PSEUDOMONAS AERUGINOSA CLINICAL ISOLATES IN UNIVERSITY HOSPITAL FROM ZANJAN PROVINCE, IRAN. IRANIAN BIOMEDICAL JOURNAL, 17(3), 129-133. SID. https://sid.ir/paper/277379/en

    Vancouver: Copy

    DOOSTI MASOUMEH, RAMAZANI ALI, GARSHASBI MARYAM. IDENTIFICATION AND CHARACTERIZATION OF METALLO-β-LACTAMASES PRODUCING PSEUDOMONAS AERUGINOSA CLINICAL ISOLATES IN UNIVERSITY HOSPITAL FROM ZANJAN PROVINCE, IRAN. IRANIAN BIOMEDICAL JOURNAL[Internet]. 2013;17(3):129-133. Available from: https://sid.ir/paper/277379/en

    IEEE: Copy

    MASOUMEH DOOSTI, ALI RAMAZANI, and MARYAM GARSHASBI, “IDENTIFICATION AND CHARACTERIZATION OF METALLO-β-LACTAMASES PRODUCING PSEUDOMONAS AERUGINOSA CLINICAL ISOLATES IN UNIVERSITY HOSPITAL FROM ZANJAN PROVINCE, IRAN,” IRANIAN BIOMEDICAL JOURNAL, vol. 17, no. 3, pp. 129–133, 2013, [Online]. Available: https://sid.ir/paper/277379/en

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