FREQUENCY AND ANTIBACTERIAL RESISTANCE OF LISTERIA SPP. ISOLATED FROM THE FOOD AND ENVIRONMENTAL SAMPLES IN URMIA

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MOHAMADI ALI; LOTFOLLAHI LIDA; HEMMATI AZAR; Parvin Sara; chaharbalesh Ardalan

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Journal: Studies in Medical Sciences Year:2019 | Volume:30 | Issue:1 Page(s): 21-28

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Title

FREQUENCY AND ANTIBACTERIAL RESISTANCE OF LISTERIA SPP. ISOLATED FROM THE FOOD AND ENVIRONMENTAL SAMPLES IN URMIA

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Keywords

Listeria monocytogenes

Antibiotic resistance profile

food and environmental samples

Abstract

Background & Aims: Genus Listeria especially Listeria monocytogenes (L. monocytogenes), as a foodborne pathogen, is the causative agent of Listeriosis that could be fatal in high risk subjects such as pregnant women, immunocompromised persons, neonates, and elderly. Materials & Methods: In the present study, the frequency of Listeria spp. and L. monocytogenes in 277 food and environmental samples from retail food markets of Urmia city was evaluated. After isolation and identification of strains, their antimicrobial resistance to 8 antibiotics of isolates was investigated by Kirby – bauer method. Results: Out of 277 samples, 10 (3. 61%) were positive for presence of Listeria spp. based on the polymerase chain reaction (PCR). Of 10 isolates, 3 (1. 08%) isolates were identified as L. monocytogenes and molecular confirmation was done by PCR for plc-A gene. The frequencies of other species were L. ivanovii (0. 72%), L. siligerii (0. 72%) and 0. 36% for welchimeri, grayi and innocua species, respectively (. Eight of the isolates (80%) were resistant to ampicillin and 7 (70%) to penicillin G. Their resistance to Co-trimoxazole and Gentamicin was not seen among isolates. Besides that, the resistance rate to erythromycin, rifampin, and tetracycline was 20%, for each antibiotic. Conclusion: The result of present study indicated the resistance of Listeria species isolated from food against antibacterial agents that are therapeutic choice for Listeriosis. This reveals the prompt need for surveillance program and information system setup about listeria in Iran.

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APA: Copy

MOHAMADI, ALI, LOTFOLLAHI, LIDA, HEMMATI, AZAR, Parvin, Sara, & chaharbalesh, Ardalan. (2019). FREQUENCY AND ANTIBACTERIAL RESISTANCE OF LISTERIA SPP. ISOLATED FROM THE FOOD AND ENVIRONMENTAL SAMPLES IN URMIA. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), 30(1 ), 21-28. SID. https://sid.ir/paper/965357/en

Vancouver: Copy

MOHAMADI ALI, LOTFOLLAHI LIDA, HEMMATI AZAR, Parvin Sara, chaharbalesh Ardalan. FREQUENCY AND ANTIBACTERIAL RESISTANCE OF LISTERIA SPP. ISOLATED FROM THE FOOD AND ENVIRONMENTAL SAMPLES IN URMIA. STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES)[Internet]. 2019;30(1 ):21-28. Available from: https://sid.ir/paper/965357/en

IEEE: Copy

ALI MOHAMADI, LIDA LOTFOLLAHI, AZAR HEMMATI, Sara Parvin, and Ardalan chaharbalesh, “FREQUENCY AND ANTIBACTERIAL RESISTANCE OF LISTERIA SPP. ISOLATED FROM THE FOOD AND ENVIRONMENTAL SAMPLES IN URMIA,” STUDIES IN MEDICAL SCIENCE (THE JOURNAL OF URMIA UNIVERSITY OF MEDICAL SCINCES), vol. 30, no. 1 , pp. 21–28, 2019, [Online]. Available: https://sid.ir/paper/965357/en

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