Results 21 to 30 of about 867,018 (167)

Bacterial-epithelial contact is a key determinant of host innate immune responses to enteropathogenic and enteroaggregative escherichia coli [PDF]

open access: yes, 2011
Background: Enteropathogenic (EPEC) and Enteroaggregative (EAEC) E. coli have similar, but distinct clinical symptoms and modes of pathogenesis. Nevertheless when they infect the gastrointestinal tract, it is thought that their flagellin causes IL-8 ...
Nigel J Klein   +27 more
core   +1 more source

Microarray analysis of the ler regulon in enteropathogenic and enterohaemorrhagic escherichia coli strains [PDF]

open access: yes, 2014
The type III protein secretion system is an important pathogenicity factor of enteropathogenic and enterohaemorrhagic Escherichia coli pathotypes. The genes encoding this apparatus are located on a pathogenicity island (the locus of enterocyte effacement)
Islam, Md. Shahidul   +42 more
core   +1 more source

O-Antigen Diversification Masks Identification of Highly Pathogenic Shiga Toxin-Producing Escherichia coli O104:H4-Like Strains

open access: yesMicrobiology Spectrum, 2023
Shiga toxin-producing Escherichia coli (STEC) can give rise to a range of clinical outcomes from diarrhea to the life-threatening systemic condition hemolytic-uremic syndrome (HUS).
Christina Lang   +10 more
doaj   +1 more source

Outer Membrane Protein YadA of Enteropathogenic Yersiniae Mediates Specific Binding to Cellular but Not Plasma Fibronectin [PDF]

open access: yes, 1993
The binding of bacteria or bacterial products to host proteins of tissue extracellular matrix may be a mechanism of tissue adherence. We investigated interactions of the plasmid-encoded outer membrane protein YadA, which confers pathogenic functions on ...
Emmerich, F.   +7 more
core   +1 more source

Always one step ahead: How pathogenic bacteria use the type III secretion system to manipulate the intestinal mucosal immune system [PDF]

open access: yes, 2011
The intestinal immune system and the epithelium are the first line of defense in the gut. Constantly exposed to microorganisms from the environment, the gut has complex defense mechanisms to prevent infections, as well as regulatory pathways to tolerate ...
Anna Vossenkämper   +5 more
core   +1 more source

Novel type of pilus associated with a Shiga-toxigenic E. coli hybrid pathovar conveys aggregative adherence and bacterial virulence

open access: yesEmerging Microbes and Infections, 2018
A large German outbreak in 2011 was caused by a locus of enterocyte effacement (LEE)-negative enterohemorrhagic E. coli (EHEC) strain of the serotype O104:H4. This strain harbors markers that are characteristic of both EHEC and enteroaggregative E. coli (
Christina Lang   +6 more
doaj   +1 more source

Attaching and effacing Escherichia coli downregulate DNA mismatch repair protein in vitro and are associated with colorectal adenocarcinomas in humans [PDF]

open access: yes, 2009
Background: Mucosa-associated Escherichia coli are frequently found in the colonic mucosa of patients with colorectal adenocarcinoma, but rarely in healthy controls. Chronic mucosal E. coli infection has therefore been linked to colonic tumourigenesis. E.
Short, Abigail J.   +14 more
core   +2 more sources

Characteristics of Shigatoxin-Producing Escherichia coli Strains Isolated during 2010–2014 from Human Infections in Switzerland

open access: yesFrontiers in Microbiology, 2017
Objectives: The aim of this study was to characterize a collection of 95 Shigatoxin-producing E.coli (STEC) isolated from human patients in Switzerland during 2010–2014.Methods: We performed O and H serotyping and molecular subtyping.Results: The five ...
Lisa Fierz   +4 more
doaj   +1 more source

Testing the efficacy of medium chain fatty acids against rabbit colibacillosis [PDF]

open access: yes, 2008
Enteropathogenic Escherichia coli (EPEC) represents a major cause of lethal diarrhea in young mammals. Although the pathogenicity mechanisms of EPEC are now well understood, the intrinsic and environmental factors that control the expression of EPEC ...
Milon, Alain   +6 more
core   +1 more source

Salmonella bongori provides insights into the evolution of the Salmonellae [PDF]

open access: yes, 2011
The genus Salmonella contains two species, S. bongori and S. enterica. Compared to the well-studied S. enterica there is a marked lack of information regarding the genetic makeup and diversity of S. bongori. S.
Parkhill Julian   +175 more
core   +3 more sources

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