BACKGROUND Travellers' diarrhoea (TD) is the most frequent health problem among travellers to the tropics. Using routine techniques, the aetiology mostly remains unresolved, whereas modern molecular methods enable reducing the number of equivocal cases considerably. While many studies address the aetiology of TD in Asian, Central American and North African tourist resorts, only few focus on Wes...

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 ...

Results: Diarrhoeagenic E. coli was found in 148 (13.2 %) of examined specimens. Among these 77 (52 %) were enteropathogenic (EPEC), 69 (46.6 %) were enterotoxigenic (ETEC) and 2 (1.4 %) were enteroinvasive Escherichia coli (EIEC). EPEC serotypes 0119K69, 0114K90 and 0111K58 were the more frequent among twelve other serotypes. Diarrhoeagenic Escherichia coli showed high rates of resistance to a...

Purpose: To study the effect of interaction between methanol leaf extract of Spondias mombin and amoxicillin on diarrheagenic Escherichia coli (DEC). Methods: Cold methanol extraction of Spondias mombin leaf and its phytochemical screening were carried out. Isolated, characterized and identified strains of enterotoxigenic E. coli (ETEC), enteroinvasive E. coli (EIEC), and enterohemorrhagic E. c...

Escherichia coli strains isolated from children with diarrhea were collected from 16 hospitals in different districts in Thailand during 1985 and 1986 and submitted to the National Reference Laboratory. Isolates were identified by serogrouping or as enterotoxigenic E. coli (ETEC), enteroinvasive E. coli (EIEC), enteropathogenic E. coli (EPEC) adhesin factor (EAF) E. coli, or Shiga-like-toxin (S...

The disassembly of host cell actin cytoskeleton as a facilitator of Trypanosoma cruzi invasion has been reported by some authors, while other workers claim that it instead inhibits internalization of the parasite. In this study we aimed at elucidating the basis of this discrepancy. We performed experiments with metacyclic trypomastigotes of T. cruzi strains G and CL, which differ markedly in in...

Three genes, ipgD, mxiC, and mxiA, all in the invasion region of the Shigella virulence plasmid, were sequenced from strains representing a range of Shigella serotypes and from two enteroinvasive Escherichia coli (EIEC) isolates. The plasmids can be classified into two relatively homogeneous sequence forms which are quite distinct. pINV A plasmids are found in Shigella flexneri strains F6 and F...

background and objectives: diarrheagenic escherichia coli (dec) strains are a major cause of intestinal syndromes in the developing countries. the aim of this study was to determine the prevalence of enterotoxigenic e. coli (etec) and enteroinvasive e. coli (eiec) in relation to phylogenetic background from patients with diarrhea. materials and methods: a total of 110 e. coli isolates were obta...