出版社:National Nutrition and Food Technology Research Institute
其他摘要:A collection of Enterococci spp. (about 96 isolates) were isolated from two Iranian raw milk cheeses, namely Lighvan and Koozeh, and subsequently, identified as Enterococcus faecium , Enterococcus faecalis , Enterococcus durans , Enterococcus casseliflavus and Enterococcus italicus by 16S rDNA sequencing. All of the 96 isolates were subjected to Agar-spot and well-diffusion assay in order to detect their ability to produce anti-microbial compounds. According to Agar-spot method, 48 out of the 96 isolates produced clear-zone on the plates against indicator organisms. With Well-Diffusion Assay, the positive isolates with clear zone decreased to 20 isolates. These 20 isolates (strains) were then subjected to rep-PCR for typing, and 15 distinct rep-PCR profiles (patterns) were identified. From these 15 positive strains, 11 strains were found to belong to Enterococcus faecium .