ArticleCurrent microbiology2006
Prevalence of shiga toxin-producing Escherichia coli in a diarrheagenic Tunisian population, and the report of isolating STEC O157:H7 in Tunis.
Article in Current microbiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 21 citations in OpenAlex.
- Prevalence, antibiotic resistance, and virulence gene profile ofVeterinary world · 2023Article
- Enterohemorrhagic Escherichia coli O157 in Libya.The Libyan journal of medicine · 2014Article
- Genotypic and phenotypic profiles of enterotoxigenic Escherichia coli associated with acute diarrhea in Tunis, Tunisia.Current microbiology · 2007Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
In Mellassine (a major city in the state of Tunis) and Ben Arous state (south east of Tunis), a total of 212 stool samples were collected from children and adults (symptomatic and asymptomatic groups) between November 2001 and November 2004. Three hundred and twenty-seven E. coli strains were isolated and studied, to look for shiga toxin-producing Escherichia coli (STEC) strains, which were further analysed to investigate and determine clonal relationship among Tunisian STEC strains isolated from different sources (diarrheal cases and food products). They were analysed to characterize their serotypes, virulence genes by PCR, cytotoxic effect on Vero cell, plasmid profiles, and pulsed-field gel electrophoresis (PFGE) patterns. Eleven isolates (10 nontypeable, one O157:H7) carried stx gene and shared Stx restriction fragment length polymorphism (RFLP) patterns (stx1 ( + ), stx2 ( + )). Seven of these strains were isolated from acute diarrheal cases, and four were isolated from a control group (among which the only isolated STEC O157:H7). Two of the STEC strains harboured both eae and ehxA genes. Analysis of the cytotoxic effect on Vero cells showed that a correlation exists between carrying stx1 ( + ), stx2 ( + ) genes and cytotoxicity. Also a correlation was noticed between STEC strains recovered from different sources regarding plasmid profiles and PFGE patterns. All stool samples positive for STEC were nonbloody. None of the STEC-positive patients developed severe diseases. These data demonstrate that although STEC is not a major cause of acute diarrhea in Tunis, it should not be overlooked. Measures should be taken to improve the detection and isolation of STEC from acute diarrheal cases as well as carriers.
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