ArticleBMC microbiology2013
Diffusely adherent Escherichia coli strains isolated from children and adults constitute two different populations.
Article in BMC microbiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.
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Who cites it
27 citing papers in PubMed, 58 citations in OpenAlex.
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- Distribution of Escherichia coli Pathotypes along an Urban-Rural Gradient in Ecuador.The American journal of tropical medicine and hygiene · 2023Article
- Characterization of DiarreaghenicAntibiotics (Basel, Switzerland) · 2022Article
- Molecular Characterization and Antimicrobial Resistance of PathogenicJournal of tropical medicine · 2022Article
- Virulence Factors of Enteric PathogenicInternational journal of molecular sciences · 2021Review
- A One Health Perspective for Defining and DecipheringComparative medicine · 2021Review
- Characterization and antibiotic resistance pattern of diffusely adherentNew microbes and new infections · 2020Article
- Low frequency of enterohemorrhagic, enteroinvasive and diffusely adherent Escherichia coli in children under 5 years in rural Mozambique: a case-control study.BMC infectious diseases · 2020Article
- New Insights Into DAEC and EAEC Pathogenesis and Phylogeny.Frontiers in cellular and infection microbiology · 2020Article
- Induction of Inflammatory Macrophages in the Gut and Extra-Gut Tissues by Colitis-Mediated Escherichia coli.iScience · 2019Article
- A Putative Type V Pilus Contributes to Bacteroides thetaiotaomicron Biofilm Formation Capacity.Journal of bacteriology · 2019Article
- Diversity of Virulence Genes in Multidrug ResistantInfection and drug resistance · 2019Article
- Adherent/invasive Escherichia coli (AIEC) isolates from asymptomatic people: new E. coli ST131 O25:H4/H30-Rx virotypes.Annals of clinical microbiology and antimicrobials · 2018Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundDiffusely adherent Escherichia coli (DAEC) have been considered a diarrheagenic category of E. coli for which several potential virulence factors have been described in the last few years. Despite this, epidemiological studies involving DAEC have shown inconsistent results. In this work, two different collections of DAEC possessing Afa/Dr genes, from children and adults, were studied regarding characteristics potentially associated to virulence.
resultsDAEC strains were recovered in similar frequencies from diarrheic and asymptomatic children, and more frequently from adults with diarrhea (P < 0.01) than from asymptomatic adults. Association with diarrhea (P < 0.05) was found for SAT-positive strains recovered from children and for curli-positive strains recovered from adults. Mixed biofilms involving DAEC and a Citrobacter freundii strain have shown an improved ability to form biofilms in relation to the monocultures. Control strains have shown a greater diversity of Afa/Dr adhesins and higher frequencies of cellulose, TTSS, biofilm formation and induction of IL-8 secretion than strains from cases of diarrhea in children.
conclusionsDAEC strains possessing Afa/Dr genes isolated from children and adults represent two different bacterial populations. DAEC strains carrying genes associated to virulence can be found as part of the normal microbiota present in asymptomatic children.
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