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:: Volume 14, Issue 5 (9-2012) ::
J Babol Univ Med Sci. 2012; Volume 14 Back to browse issues page
Detection of Prevalence of OXA-2 and OXA-10 Type ESBL and Class I Integron among Acinetobacter Bumanii Strains Isolated from Patients of Tabriz City (Iran) by PCR Technique
A Rahimzadeh, * , S Farajnia, , MA Pourbabaee, , KH Ansarin, , MR Zolfaghari, , N Masoudi
Abstract:   (7706 Views)
BACKGROUND AND OBJECTIVE: Acinetobacter (A.) baumannii is a gram-negative non-fermentative coccobacilli with increasing relevance in a variety of hospital-acquired infections. The aim of this study was to determine the frequency of bla-OXA-2 and bla-OXA-10 resistance genes and class I Integron among Acinetobacter baumannii strains isolated from patients referred to Imam Reza hospital of Tabriz city, Iran.
METHODS: This cross-sectional descriptive study was carried out on 100 Acinetobacter baumannii isolated from patients referred to Imam Reza hospital of Tabriz, Iran in 2009-2010. The isolates were identified using standard biochemical and microbiological tests. ESBL production was determined in isolates by Combined Disc test. The presence of bla-OXA-10, bla-OXA-2 and INT-1 genes in clinical isolates was investigated by PCR technique.
FINDINGS: The results of antimicrobial sensitivity tests revealed that the highest resistance was against cefixime (100%), ceftizoxime (100%) and ticaracilin (100%), whereas the highest susceptibility was observed for polymyxin B (84%), colistin (77%) and rifampin (73%). Combined Disc Test showed that 60% of isolated were ESBL producer among them 7 cases (11.6%) were positive for bla-OXA-2 and 5 cases (8.3%) for bla-OXA-10 genes. Screening for INT-1 genes demonstrated that 73% of isolates were positive for Int-1 insertion sequence.
CONCLUSION: The results of this study showed the presence of OXA-2 and OXA-10 type ESBLs and class I integron genes among drug resistant Acinetobacter strains that reminding the necessity of preventive measures for inhibiting dissemination of these resistant isolates.
Keywords: Acinetobacter baumannii, Extended-spectrum beta-lactamase, Bla-OXA-2, Bla-OXA-10, INT-1
Full-Text [PDF 357 kb]   (1973 Downloads)    
Type of Study: Research | Subject: Biochemical
Accepted: 2014/06/8 | Published: 2014/06/8


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Rahimzadeh, A, Farajnia, S, Pourbabaee, M, Ansarin, K, Zolfaghari, M, Masoudi N. Detection of Prevalence of OXA-2 and OXA-10 Type ESBL and Class I Integron among Acinetobacter Bumanii Strains Isolated from Patients of Tabriz City (Iran) by PCR Technique. J Babol Univ Med Sci 2012; 14 (5) :56-63
URL: http://jbums.org/article-1-4185-en.html


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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 14, Issue 5 (9-2012) Back to browse issues page
مجله علمی دانشگاه علوم پزشکی بابل Journal of Babol University of Medical Sciences

The Journal of Babol University of Medical Sciences is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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