نتایج جستجو برای: enteroaggregative
تعداد نتایج: 693 فیلتر نتایج به سال:
Enteroaggregative Escherichia coli (EAEC) is a diarrheal pathogen defined by its characteristic aggregative adherence (AA) to HEp-2 cells in culture. We have previously shown that EAEC strains secrete a 10-kDa protein that is immunogenic in a human EAEC challenge model. We report here that this protein is encoded by a gene (called aap) lying immediately upstream of that encoding the AggR transc...
Enteroaggregative Escherichia coli (EAEC) represents a heterogeneous group of E. coli strains. The pathogenicity and clinical relevance of these bacteria are still controversial. In this review, we describe the clinical significance of EAEC regarding patterns of infection in humans, transmission, reservoirs, and symptoms. Manifestations associated with EAEC infection include watery diarrhea, mu...
Author affliliations: University of Brasília, Brasília, Brazil (C.B. de Melo, A.R. Souza, C. McManus, L. Seixas); Ministry of Agriculture, Livestock and Food Supply (MAPA), Brasília, Brazil (M.E.P. de Sa); MAPA, Galeão Airport, Rio de Janeiro, Brazil (P.R Campani); MAPA, Guarulhos Airport, São Paulo, Brazil (J.O. Luna); MAPA, Confins International Airport, Belo Horizonte/Confins, Brazil (S. Cab...
In this study, we determined the sequence of the EcoRI-PstI fragment of the plasmid pCVD432, also termed the enteroaggregative Escherichia coli (EAggEC) probe. A primer pair complementary to this probe was designed for PCR amplification of a 630-bp region. Comparison of the analysis of the EAggEC probe sequence with those in database libraries revealed no significant similarity to any known bac...
Enteroaggregative Escherichia coli (EAEC) are quite heterogeneous category of an emerging enteric pathogen associated with cases of acute or persistent diarrhea worldwide in children and adults, and over the past decade has received increasing attention as a cause of watery diarrhea, which is often persistent. EAEC infection is an important cause of diarrhea in outbreak and non-outbreak setting...
Enteroaggregative Escherichia coli (EAEC) is an emerging cause of diarrheal illness. Clinical data suggest that diarrhea caused by EAEC is predominantly secretory in nature, but the responsible enterotoxin has not been described. Work from our laboratories has implicated a ca. 108-kDa protein as a heat-labile enterotoxin and cytotoxin, as evidenced by rises in short-circuit current and falls in...
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