نتایج جستجو برای: .e coli o157:h7

تعداد نتایج: 1122859  

2015
Nourkhoda Sadeghifard Hossein Kazemian Reza Mohebi Zamberi Sekawi Afra Khosravi Nasrin Valizadeh Sobhan Ghafourian

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...

Journal: :International Journal of Health Sciences (IJHS) 2022

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...

2004
P. S. Kindstedt D. J. Patterson F. N. Kojima W. Powers T. J. Applegate

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...

2004
H. Ellen R. R. Kraeling E. J. Bush D. A Dargatz N. E. Wineland S. Ladely P. J. Fedorka - Cray I. Reyes - Herrera M. J. Schneider P. J. Blore D. J. Donoghue R. M. Lipscomb L. T. Walker W. L. Hurlock L. L. Williams

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...

2016
Maryam Farahmandfar Naghmeh Moori-Bakhtiari Saad Gooraninezhad Mehdi Zarei

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...

Journal: :iranian journal of microbiology 0
maryam farahmandfar naghmeh moori-bakhtiari department of microbiology, faculty of veterinary medicine, shahid chamran university of ahvaz, iran saad gooraninezhad 2department of clinical sciences, faculty of veterinary medicine, shahid chamran university of ahvaz, iran mehdi zarei 3department of food hygiene, faculty of veterinary medicine, shahid chamran university of ahvaz, iran

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...

2013
Craig Skinner Stephanie McMahon Reuven Rasooly John Mark Carter Xiaohua He

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 ...

Journal: :Cytotechnology 2014
Husniye Tansel Yalcın Mehmet Ozgün Ozen Bayram Gocmen Ayse Nalbantsoy

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1391

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...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

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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