نتایج جستجو برای: eiec
تعداد نتایج: 156 فیلتر نتایج به سال:
Although part of the normal gut flora, Escherichia coli strains are also important intestinal pathogens. Diarrheagenic E. coli (DEC) cause a wide variety of gastrointestinal diseases, particularly among children in developing countries, resulting in significant morbidity and mortality (Moyo, 2007; Khairun, 2007; Brandal, 2007; Nguyen, 2005; Rajendran, 2010; Franzolin, 2005). The DEC are differe...
سابقه و هدف: نظر به نقش عوامل باکتریایی در مسمومیت غذایی با توجه به این که e.coli با مکانیسم های متفاوتی در ایجاد اسهال دخالت دارد، نظر به عدم اطلاع از وضعیت این باکتری در جامعه و چگونگی مکانیسم های ایجاد بیماری در آن، این پژوهش به منظور تعیین شیوع این مکانیسم ها در e.coli جدا شده از انواع مختلف مواد غذایی ارسالی به آزمایشگاه میکروب شناسی مواد غذایی، آرایشی و بهداشتی دانشگاه علوم پزشکی ایران طی...
background and objectives: diarrheagenic escherichia coli (dec) is an emerging agent among pathogens that causes diarrhea. studies showed that diarrheagenic e. coli such as enterohaemorrhagic e. coli (ehec), enteroaggregative e. coli (eaec), enteropathogenic e. coli (epec), enteroinvasive e. coli (eiec), enterotoxigenic e. coli (etec), diffusely adhering e. coli (daec) and shiga toxin producing...
Energy inequality caused by the process of cluster head election has a large influence on energy efficiency and network lifetime wireless sensor networks (WSNs). To this end, novel concept EIec is proposed to evaluate equality degree consumption. Related theorems for establishing candidate set heads are proposed, with aim promoting in each cluster. Subsequently, energy-efficiency-adaptive forma...
A cosmid library of DNA from colicin Js-sensitive enteroinvasive Escherichia coli (EIEC) strain O164 was made in colicin Js-resistant strain E. coli VCS257, and colicin Js-sensitive clones were identified. Sensitivity to colicin Js was associated with the carriage of a three-gene operon upstream of and partially overlapping senB. The open reading frames were designated cjrABC (for colicin Js re...
Diarrhoeal diseases are one of the most important causes of illness and death all over the world. In Nigeria, the aetiology of diarrhoeagenic bacteria and the virulence of various Escherichia coli pathotypes have not been well-studied because most currently-published data were from the southwestern axis of the country. In total, 520 stool samples were collected from infants, young children, and...
The detection of bacterial and parasitic gastrointestinal pathogens through culture and microscopy is laborious and time-consuming. We evaluated a molecular screening approach (MSA) for the detection of five major enteric pathogens: Salmonella enterica, Campylobacter jejuni, Giardia lamblia, Shiga toxin-producing Escherichia coli (STEC), and Shigella spp./enteroinvasive E. coli (EIEC), for use ...
BACKGROUND Relatively few studies have been done in Tanzania to detect and classify diarrheagenic Escherichia coli (DEC) strains among children with diarrhea. This study aimed at investigating DEC among children in Dar es Salaam aged less than five years hospitalized due to acute/persistent diarrhea. METHODS DEC were isolated from stool samples collected from two hundred and eighty children w...
The underestimation of Shigella species as a cause of childhood diarrhea disease has become increasingly apparent with quantitative PCR (qPCR)-based diagnostic methods versus culture. We sought to confirm qPCR-based detection of Shigella via a metagenomics approach. Three groups of samples were selected from diarrheal cases from the Global Enteric Multicenter Study: nine Shigella culture-positi...
Current data on pathogen prevalence and drug resistance patterns are important for treatment and vaccine-development strategies. An etiologic study of acute bacterial dysentery was conducted in children up to 12 years of age in 2 major hospitals in and around Bangkok. Stool samples or rectal swabs and clinical data were collected. Standard microbiological methods were used to detect Salmonella,...
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