نتایج جستجو برای: o45

تعداد نتایج: 139  

ژورنال: :نشریه دامپزشکی (پژوهش و سازندگی) 2012
مجتبی بنیادیان حسین طهماسبی ابوالفضل آخوندزاده دره ناصر صالحی سمیرا ملانوری شمسی

اطلاعاتی که وضعیت میکروبی محصولات گوشت را نشان می دهند به عنوان خط پایه برای تنظیم استانداردها و در حمایت از تشخیص عوامل خطرساز به منظور تایید عملی در سیستم نظارتی می تواند ارزشمند باشد. o26، o45، o91، o103، o111، o113، o121، o128، o145 و o157 شایع ترین سروتیپ های انتروهموراجیک e.coli مرتبط با بیماری های انسانی هستند. با توجه به اهمیت آنچه ذکر گردید و احتمال انتقال سروتیپ های انتروهموراجیک e.co...

Journal: :The Journal of Cell Biology 1989
R J Rivas H P Moore

Recent experiments using DNA transfection have shown that secretory proteins in AtT-20 cells are sorted into two biochemically distinct secretory pathways. These two pathways differ in the temporal regulation of exocytosis. Proteins secreted by the regulated pathway are stored in dense-core granules until release is stimulated by secretagogues. In contrast, proteins secreted by the constitutive...

Journal: :Foodborne pathogens and disease 2017
Charley A Cull David G Renter Diana M Dewsbury Lance W Noll Pragathi B Shridhar Samuel E Ives Tiruvoor G Nagaraja Natalia Cernicchiaro

The objective of this study was to determine feedlot- and pen-level fecal prevalence of seven enterohemorrhagic Escherichia coli (EHEC) belonging to serogroups (O26, O45, O103, O111, O121, O145, and O157, or EHEC-7) in feces of feedlot cattle in two feeding areas in the United States. Cattle pens from four commercial feedlots in each of the two major U.S. beef cattle areas were sampled. Up to 1...

Journal: :Nanoscale 2015
Irwin A Quintela Benildo G de los Reyes Chih-Sheng Lin Vivian C H Wu

A simultaneous direct detection of Shiga-toxin producing strains of E. coli (STEC; "Big Six" - O26, O45, O103, O111, O121, and O145) as well as O157 strains by optical biosensing with oligonucleotide-functionalized gold nanoparticles (AuNPs) was developed. Initially, conserved regions of stx genes were amplified by asymmetric polymerase chain reaction (asPCR). Pairs of single stranded thiol-mod...

Journal: :Infection and immunity 2000
E Oswald H Schmidt S Morabito H Karch O Marchès A Caprioli

Enteropathogenic Escherichia coli (EPEC) and enterohemorrhagic E. coli (EHEC) produce the characteristic "attaching and effacing" (A/E) lesion of the brush border. Intimin, an outer membrane protein encoded by eae, is responsible for the tight association of both pathogens with the host cell. Several eae have been cloned from different EPEC and EHEC strains isolated from humans and animals. The...

2016
Xiangning Bai Bin Hu Yanmei Xu Hui Sun Ailan Zhao Pengbin Ba Shanshan Fu Ruyue Fan Yujuan Jin Hong Wang Qiusheng Guo Xuebin Xu Shan Lu Yanwen Xiong

Shiga toxin-producing Escherichia coli (STEC) causes diarrhea and hemorrhagic colitis with life-threatening complications, such as hemolytic uremic syndrome. The aim of this study was to assess the molecular epidemiologic features of non-O157 STEC strains from different resources in China and illustrate the role of animal reservoirs or animal-derived foodstuffs in human STEC infections. A colle...

1995
Gareth Griffiths Rainer Pepperkok Jacomine Krijnse Locker Thomas E. Kreis

Recent data strongly suggest that the coatomer (COP) complex is involved in membrane transport between the ER and Golgi complex. This vesicular coat has been implicated in ER to Golgi, in intra Golgi as well as in Golgi to ER traffic. In this study we present a detailed immunocytochemical analysis of the distribution of β-COP in different tissue culture cells. Our results extend previous studie...

2016
Travis A. Woods Heather M. Mendez Sandy Ortega Xiaorong Shi David Marx Jianfa Bai Rodney A. Moxley T. G. Nagaraja Steven W. Graves Alina Deshpande

Strains of Shiga toxin-producing Escherichia coli (STEC) are a serious threat to the health, with approximately half of the STEC related food-borne illnesses attributable to contaminated beef. We developed an assay that was able to screen samples for several important STEC associated serogroups (O26, O45, O103, O104, O111, O121, O145, O157) and three major virulence factors (eae, stx 1 , stx 2)...

Journal: :The Journal of infectious diseases 2005
John T Brooks Evangeline G Sowers Joy G Wells Katherine D Greene Patricia M Griffin Robert M Hoekstra Nancy A Strockbine

BACKGROUND Shiga toxin-producing Escherichia coli (STEC) O157:H7 is a well-recognized cause of bloody diarrhea and hemolytic-uremic syndrome (HUS). Non-O157 STEC contribute to this burden of illness but have been underrecognized as a result of diagnostic limitations and inadequate surveillance. METHODS Between 1983 and 2002, 43 state public health laboratories submitted 940 human non-O157 STE...

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