نتایج جستجو برای: o157 e. coli

تعداد نتایج: 1123126  

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...

E. Rahimi, F. Hemmatzadeh H. Momtaz

This study was carried out to determine the prevalence of foodborne pathogens, Escherichia coli, E. coli O157:H7, Listeria monocytogenes and Campylobacter spp. on slaughtered cattle in Isfahan, Iran. A total of 203 cattle carcasses were sampled by surface section of neck meat taken immediately after slaughter and analyzed using microbiological examinations. Suspected colonies to E. coli O157:H7...

Ebrahim Rahimi, Hamid Reza Kazemeini Mohammad Salajegheh

Enterohemorrhagic Escherichia coli (EHEC) of the O157:H7 serotype is a worldwide zoonotic pathogen responsible for the majority of severe cases of human EHEC disease. The aim of the present study was to investigate the prevalence of E. coli O157: H7/NM in raw meat samples from two provinces of Iran. During a period from March 2010 to March 2011. Two hundred and ninety five raw meat samples were...

ژورنال: Medical Laboratory Journal 2015
Rouhi, S, , Safaari, M, , Shakib, P, , Zolfaghari, MR, ,

Abstract Background and Objective: Diarrheal diseases may occur in all age groups, worldwide. Escherichia coli (E. coli O157: H7) is one of the most important bacterial agents causing this disease. The purpose of this study was to assess the prevalence of diarrhea in patients with acute diarrhea caused by this bacterium. Material and Methods: In this study, 214 stool samples were collected from...

Journal: :iranian journal of veterinary research 2008
e. rahimi h. momtaz f. hemmatzadeh

this study was carried out to determine the prevalence of foodborne pathogens, escherichia coli, e. coli o157:h7, listeria monocytogenes and campylobacter spp. on slaughtered cattle in isfahan, iran. a total of 203 cattle carcasses were sampled by surface section of neck meat taken immediately after slaughter and analyzed using microbiological examinations. suspected colonies to e. coli o157:h7...

ژورنال: Medical Laboratory Journal 2015
Kargar, M, , Zareian Jahromi, M, ,

Abstract Background and Objective: Escherichia coli O157:H7 is one of the most well-known pathogenic bacteria worldwide that can develop severe diseases such as hemolytic uremic syndrome (HUS). This study aimed to assess the prevalence of virulence genes of E. coli O157:H7 in patients with suspected urinary tract infections (UTIs). Material and Methods: This cross-sectional study was co...

Journal: :veterinary research forum 2012
ebrahim rahimi hamid reza kazemeini mohammad salajegheh

enterohemorrhagic escherichia coli (ehec) of the o157:h7 serotype is a worldwide zoonotic pathogen responsible for the majority of severe cases of human ehec disease. the aim of the present study was to investigate the prevalence of e. coli o157: h7/nm in raw meat samples from two provinces of iran. during a period from march 2010 to march 2011. two hundred and ninety five raw meat samples were...

M. Kargar, N. Namdari Y. Tahamtan,

Enterohemorrhagic Escherichia coli (EHEC), such as E. coli O157:H7, are emerging food-borne pathogens worldwide. This micro-organism can damage the epithelial tissue of the large intestine. The cytotoxic effects can be neutralized by probiotics such as Bifidobacterium bifidum. Probiotics are viable cells that have beneficial effects on the health of the host. The preventing activity of B. bifid...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه ملی مهندسی ژنتیک وزیست فناوری 1390

اشریشیاکلی سویه o157:h7 یکی از مهمترین پاتوژن های غذایی تولید کننده بیماری کولیت خونریزی دهنده و ادرار خونی در انسان می باشد. دام های اهلی اصلی ترین مخزن این باکتری بوده و بکارگیری واکسن بر علیه آن یکی از مهمترین را ههای پیشگیری این باکتری می باشد. پروتئین های intimin، tir و espa مهمترین فاکتورهای بیماریزایی این باکتری به حساب می آیند که توسط ژن های حاضر در جزیره پاتوژنسیته lee تولید می شوند....

2010
Gökhan Inat Belgin Siriken

This study was conducted to investigate the presence of Escherichia (E.) coli O157 and E. coli O157:H7 and stx1 and stx2 genes on cattle carcasses and in rectal samples collected from Samsun Province of Turkey. A total of 200 samples collected from cattle carcasses and the rectal contents of 100 slaughtered cattle from two commercial abattoirs were tested using the immunomagnetic separation tec...

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