نتایج جستجو برای: e. coli o157:h7
تعداد نتایج: 1122859 فیلتر نتایج به سال:
Colonization of the human and animal intestinal tract with potential pathogenic bacteria is correlated with the risk of contamination of food products. The current study analyzed the prevalence of Enterococcus faecalis and Escherichia coli O157H7 in ground meat in Ilam, Iran. Both index organisms were identified following standard food microbiological methods. For E. faecalis, the susceptibilit...
This study was conducted at Karbala governorate through the months of November 2021 until March 2022. Total number 240 sampling carried out from street vender and local store (milk, yogurts cheese) cow buffalo. These samples were collected different locations in Iraqi province. Escherichia coli O157H7 serotype prevalence rate buffalo major focus this research conducted. 120 products with region...
From 1948 to 1988, there were 6 confirmed foodborne disease outbreaks in the U.S. transmitted with domestically produced hard cheeses as the food vehicle. Various research reports have raised concerns about the public health protection provided by the current 60-day aging period in the manufacture of hard cheeses made with unpasteurized milk. The objective of this study was to investigate the a...
From 1948 to 1988, there were 6 confirmed foodborne disease outbreaks in the U.S. transmitted with domestically produced hard cheeses as the food vehicle. Various research reports have raised concerns about the public health protection provided by the current 60-day aging period in the manufacture of hard cheeses made with unpasteurized milk. The objective of this study was to investigate the a...
BACKGROUND AND OBJECTIVES The most common serotype of enterohaemorrhagic Esherichia coli group or Shiga-toxin-producing E. coli is O157:H7. Domestic and wild ruminants are regarded as the main natural reservoirs. O157:H7 serotype is the major cause of gastrointestinal infections in developed countries. In this study was conducted to survey on the toxigenic E. coli O157: H7 strains in milk of in...
background and objectives: the most common serotype of enterohaemorrhagic esherichia coli group or shiga-toxin-producing e. coli is o157:h7. domestic and wild ruminants are regarded as the main natural reservoirs. o157:h7 serotype is the major cause of gastrointestinal infections in developed countries. in this study was conducted to survey on the toxigenic e. coli o157: h7 strains in milk of i...
BACKGROUND Shiga-like toxin 2 (Stx2) is one of the most important virulence factors in enterohaemorrhagic Escherichia coli (E. coli) strains such as O157H7. Subtypes of Stx2 are diverse with respect to their sequence, toxicity, and distribution. The most diverse Stx2 subtype, Stx2f, is difficult to detect immunologically, but is becoming more frequently associated with human illness. METHODS ...
Cytotoxic and antimicrobial effects of Montivipera xanthina venom against LNCaP, MCF-7, HT-29, Saos-2, Hep3B, Vero cells and antimicrobial activity against selected bacterial and fungal species: Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, E. coli O157H7, Enterococcus faecalis 29212, Enterococcus faecium DSM 13590, Staphylococcus epidermidis ATCC 12228, S. typhimirium CCM 5445...
بیماری های ناشی از مصرف غذاهای آلوده به باکتری های عامل فساد و بیماری زا به طور مستقیم در سلامت جامعه نقش دارد. پپتیدهای ضدمیکروبی از جمله هموپلیمرهای کاتیونی مانند پلی-ال-لیزین و ترکیبات غنی از آرژینین مانند پروتامین برای کنترل میکروب ها اخیراً به عنوان یک روش جدید کنترل میکروبی در صنایع غذایی مورد استفاده قرار می گیرند. فعالیت ضدمیکروبی پلی-ال-آرژینین به عنوان یک پپتید ضدمیکروبی کاتیونی کمتر م...
chenopodium album(سلمه در فارسی) یک علف هرز متعلق به chenopodium ها که به صورت خودرو در تمام طول سال رشد می کند. گرده chenopodium album عامل اصلی آلرژی درایران است. مهمترین آلرژنهایی که به chenopodium album نسبت داده شده اند عبارتند از : che a 1 ،che a 2 و che a 3. هدف از این کار کلون کردن che a 1داخل باکتری escherichia coli (e. coli) برای تولید آلرژن نوترکیب می باشد. کلونینگ، تولید و خالص سازی...
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