شریفی یزدی, محمد کاظم
استاد مرکز تحقیقات بیماری های مشترک انسان و دام (زئونوز) و گروه علوم آزمایشگاهی دانشکده پیراپزشکی دانشگاه علوم پزشکی تهران، تهران، ایران
[ 1 ] - شناسایی مولکولی پاتوتایپ اشریشیاکلی انتروپاتوژن (EPEC) با تکنیک واکنش زنجیره ای پلیمراز(PCR) در کودکان زیر 5 سال شهر تهران و بررسی مقاومت آنتی بیوتیکی آنها
Background: Enteropathogenic E.coli (EPEC) pathotypes are belonging to enterobacteriaceae family that is known as agent of gastroenteritis and diarrhea in under 5 year old children. These bacteria have high prevalence in developed and developing countries that may cause severe diarrhea even death. Prevalence and antibiotic resistance patterns of these pathotypes are different in various r...
[ 2 ] - Prevalence of sea, seb, tsst, and mecA Genes in Staphylococcus aureus Isolated from Shrimps Sold in Seafood Retailers in Tehran, Iran
Background: Staphylococcus aureus, a Gram-positive bacterium, is the most prevalent food-borne pathogen in most regions of the world. The current study was carried out with the aim of S. aureus isolation from shrimps sold in Tehran, Iran. Furthermore, the genes of mecA as indicator of methicillin-resistant S. aureus, sea, seb, and tsst encoding enterotoxins were studied in the S. au...
[ 3 ] - Effect of Bacteriocin Produced by Lactobacillus casei with Probiotic Potential Isolated from Milk on the Ability of Biofilm Production by Streptococcus salivarius Obtained from Dental Plaque
Background and purpose: Dental plaque is a biofilm that is formed on the surface of the tooth. Carious lesions are caused by inappropriate ecological changes in microbial flora of the plaque biofilm. In this study, the effect of Lactobacillus casei bacteriocin, isolated from dairy products, was investigated on Streptococcus salivarius biofilm formation. Materials and methods: In this experimen...
[ 4 ] - Isolation and identification of Bacillus cereus of dry bulk and packaged vegetables by culture and PCR
Background: Bacillus cereus is an endemic, Gram-positive, rod-shaped, motile, beta hemolytic bacterium. Some strains are harmful to humans and cause foodborne illness and it's spore is resistant against difficult condition In recent years life style and feeding habits have changed and an increase in the use of ready to eat product has raised concern about quality and health assessment. Dehydrat...
[ 5 ] - Evaluation of Probiotic Properties of Lactobacilli in Breast Milk and Their Inhibitory Effect on Pathogenic Bacteria of the Gastrointestinal Tracts
Background and Objective: Breast milk contains nutrients such as carbohydrates, essential fatty acids, proteins, vitamins, minerals, and a source of communal bacteria with probiotic potential that is very effective in the prevention and treatment of neonatal infections. The aim of this study was the evaluation of probiotic properties of lactobacilli in breast milk and their inhibitory effect on...
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