Identification of antimicrobial producing Enterococci isolated from Iranian raw milk cheeses using cultural methods
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IECFP01_106
تاریخ نمایه سازی: 22 مهر 1394
Abstract:
A collection of Enterococci spp. (about 96 isolates) were isolated from two Iranian raw milk cheeses, known as Lighvan and Koozeh cheeses and identified as Ent. faecium, Ent. faecalis, Ent. durans, Ent. casseliflavus and Ent. italicus by 16S rDNA sequencing. These 96 isolates were subjected to Agar- spot and well-diffusion assay in order to detect the bacteriocin- producing ability. According to Agar- spot method, only 48 isolates out of 96, showed bacteriocin- producing ability with clear- zone production on plates against indicator organisms. With well- diffusion Assay, these numbers decreased to 20 isolates which produced clear zone. Then, these 20 isolates (strains) were subjected to rep- PCR for typing and 15 distinct rep- PCR profiles (patterns) were identified.
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Authors
Mohammad Reza Edalatian
Department of Food Science and Technology,Agriculture Faculty, Ferdowsi University of Mashhad line Mashhad, Iran
Mohammad Bagher Habibi Najafi
Department of Food Science and Technology,Agriculture Faculty, Ferdowsi University of Mashhad line Mashhad, Iran
Seyed Ali Mortazavi
Department of Food Science and Technology,Agriculture Faculty, Ferdowsi University of Mashhad line Mashhad, Iran
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