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Related Concept Videos

Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...
Adherens Junctions01:24

Adherens Junctions

Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types –  adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as  epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as  heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
The endothelial cells...
Colonisation of Pathogens01:25

Colonisation of Pathogens

Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...

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Related Experiment Video

Updated: Jun 13, 2026

Automated, High-Throughput Detection of Bacterial Adherence to Host Cells
07:21

Automated, High-Throughput Detection of Bacterial Adherence to Host Cells

Published on: September 17, 2021

Initial adherence of EPEC, EHEC and VTEC to host cells.

Marjorie Bardiau1, Mihai Szalo, Jacques G Mainil

  • 1Department of Infectious and Parasitic Diseases, Bacteriology, Faculty of Veterinary Medicine, University of Liège, Liège B4000, Belgium. mbardiau@ulg.ac.be

Veterinary Research
|April 29, 2010
PubMed
Summary
This summary is machine-generated.

Enteropathogenic, enterohaemorrhagic, and verotoxigenic Escherichia coli strains use adhesins for initial host cell attachment. Understanding these bacterial adhesins is crucial for comprehending infection and host specificity mechanisms.

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In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells
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In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells

Published on: May 16, 2011

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Last Updated: Jun 13, 2026

Automated, High-Throughput Detection of Bacterial Adherence to Host Cells
07:21

Automated, High-Throughput Detection of Bacterial Adherence to Host Cells

Published on: September 17, 2021

In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells
05:57

In Vitro Assay of Bacterial Adhesion onto Mammalian Epithelial Cells

Published on: May 16, 2011

Area of Science:

  • Microbiology
  • Pathogen-host interactions
  • Bacterial pathogenesis

Background:

  • Initial adherence to host cells is a critical first step in the infection process for enteropathogenic Escherichia coli (EPEC), enterohaemorrhagic E. coli (EHEC), and verotoxigenic E. coli (VTEC) strains.
  • This adherence is fundamental for subsequent infection stages and determines pathogen host specificity.

Purpose of the Study:

  • To review the initial adhesins employed by EPEC, EHEC, and VTEC strains.
  • To highlight recently described adhesins and colonization factors, particularly in EHEC.

Main Methods:

  • Literature review of scientific publications on E. coli adhesins.
  • Analysis of identified adhesins for host and pathotype specificity.

Main Results:

  • Several new adhesins and putative colonization factors have been identified, especially in EHEC strains.
  • A limited number of adhesins (e.g., BfpA, AF/R1, AF/R2, Ral, F18) show host and pathotype specificity.
  • Many adhesins are shared across different E. coli pathotypes (EPEC, EHEC, VTEC) and species.

Conclusions:

  • Initial adherence of EPEC, EHEC, and VTEC to host cells is likely mediated by a combination of multiple adhesins and colonization factors.
  • The diversity of adhesins suggests complex interactions in bacterial colonization and pathogenesis.