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Antibiotic susceptibility and genetic relatedness of Shigella species isolated from food and human stool samples in Qazvin, Iran

Pakbin, Babak and Didban, Abdollah and Khazaye Monfared, Usef and mahmoodi, razagh and Peymani, Amir and Modabber, Mohammad Reza (2021) Antibiotic susceptibility and genetic relatedness of Shigella species isolated from food and human stool samples in Qazvin, Iran. BMC Research Notes.

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Abstract

Objective: The aim of this study was to investigate the genetic relatedness and antimicrobial resistance among Shigella species isolated from food and stool samples. Using cross sectional study method, Shigella spp. were isolated from food and clinical samples using culture-based, biochemical and serological methods. Antimicrobial susceptibility and genetic relatedness among the isolates were evaluated using disk diffusion and RAPD-PCR methods respectively. Results: The prevalence of Shigella spp. were 4.84 and 7.7% in food and stool samples respectively. All food isolates were Sh. sonnei. 91.42% of the Shigella stool isolates were Sh. sonnei. 62.5% of food isolates were resistant to tetracycline. 46.8, 50 and 65.8% of clinical isolates were resistant to imipenem, amikacin and azithromycin respectively. 50 and 85.7% of the food and clinical isolates respectively were MDR. Dendrogram generated by RAPD-PCR showed that the isolates from food and stool samples were categorized in a same group. Close genetic relatedness between MDR Shigella isolates from food and clinical samples indicate that foods can be considered as one of the main vehicles for transmission of MDR Shigella to human causing acute diseases. Survey of MDR Shigella among food and clinical samples is strongly suggested to be implemented. Keywords: Antimicrobial susceptibility; Food samples; Genetic relatedness; Shigella species; Stool specimens.

Item Type: Article
Subjects: Q Science > QR Microbiology
Divisions: University Portal > research center > mmrc
Depositing User: mmrc research portal
Date Deposited: 07 Dec 2021 10:30
Last Modified: 07 Dec 2021 10:30
URI: http://eprints.qums.ac.ir/id/eprint/11164

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