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Journal of Food Quality and Hazards Control، جلد ۸، شماره ۳، صفحات ۱۲۵-۱۳۰
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عنوان انگلیسی Investigation of TEM and SHV Beta-Lactamase Genes in Escherichia coli Isolated from Strawberry Samples in Sanandaj, Iran
چکیده انگلیسی مقاله Background: When animal manures are used, food products may include pathogenic bacteria, especially Escherichia coli. The major aim of the current study was to investigate TEM (blaTEM) and SHV beta-lactamase (blaSHV) genes in E. coli isolated from strawberry samples in Sanandaj, Iran. Methods: In this study, 150 strawberry samples were collected from farms (traditional), greenhouses, and packages in Sanandaj, Iran. E. coli contamination was done using routine culture methods. Then, isolates were investigated for Extended-Spectrum Beta-Lactamase (ESBL) production and blaTEM or blaSHV genes using phenotypic and genotypic methods, respectively. Results: The most susceptibility and resistance of E. coli to antibiotics were related to chloramphenicol and trimethoprim/sulfamethoxazole, respectively. Out of 21 isolates of E. coli, eight were resistant to ceftazidime and cefotaxime; from which, six isolates were ESBL-producer. Furthermore, Polymerase Chain Reaction (PCR) analysis of six ESBL- producing E. coli isolates showed that four isolates included blaTEM gene, while no isolates included blaSHV gene. Conclusion: In this study, multiple antibiotic resistance patterns were seen in E. coli isolates, especially ESBL patterns in E. coli isolated from strawberries produced in Iran.  DOI: 10.18502/jfqhc.8.3.7199
کلیدواژه‌های انگلیسی مقاله Escherichia coli, beta-Lactamases, Drug Resistance, Microbial, Polymerase Chain Reaction, Fragaria, Iran
نویسندگان مقاله | M.M. Soltan Dallal
Division of Food Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran


| H. Abdolmaleki
Division of Food Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran


| R. Ramazanzadeh
Cellular and Molecular Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran


| R. Mazaheri Nezhad Fard
Food Microbiology Research Center, Tehran University of Medical Sciences, Tehran, Iran
نشانی اینترنتی http://jfqhc.ssu.ac.ir/browse.php?a_code=A-10-152-13&slc_lang=en&sid=1
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original article
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