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Related Concept Videos

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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Phagocytes
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Microfluidic Co-culture of Epithelial Cells and Bacteria for Investigating Soluble Signal-mediated Interactions
12:25

Microfluidic Co-culture of Epithelial Cells and Bacteria for Investigating Soluble Signal-mediated Interactions

Published on: April 20, 2010

Bacterial interactions with the host epithelium.

Minsoo Kim1, Hiroshi Ashida, Michinaga Ogawa

  • 1Department of Infectious Disease Control, International Research Center for Infectious Diseases, University of Tokyo 4-6-1, Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.

Cell Host & Microbe
|July 20, 2010
PubMed
Summary
This summary is machine-generated.

Bacterial pathogens overcome gastrointestinal defenses using sophisticated strategies. They exploit host cells and balance barrier breach with colonization for survival, revealing a new model of pathogenesis.

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Last Updated: Jun 10, 2026

Microfluidic Co-culture of Epithelial Cells and Bacteria for Investigating Soluble Signal-mediated Interactions
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Microfluidic Co-culture of Epithelial Cells and Bacteria for Investigating Soluble Signal-mediated Interactions

Published on: April 20, 2010

Invasion of Human Cells by a Bacterial Pathogen
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Epithelial Cell Infection Analyses with Shigella

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Area of Science:

  • Microbiology
  • Immunology
  • Gastroenterology

Background:

  • The gastrointestinal epithelium has innate defenses against microbes.
  • Bacterial pathogens possess advanced mechanisms to evade these defenses.
  • Pathogens utilize the epithelium for replication and survival.

Purpose of the Study:

  • To explore bacterial pathogen strategies against gastrointestinal defenses.
  • To understand how pathogens subvert host cellular functions.
  • To define the complex interplay between pathogens and the epithelial barrier.

Main Methods:

  • Literature review of bacterial pathogenesis in the GI tract.
  • Analysis of molecular mechanisms employed by pathogens.
  • Examination of host-pathogen interactions at the epithelial level.

Main Results:

  • Pathogens employ diverse stratagems to circumvent epithelial defenses.
  • Secreted toxins and effectors manipulate host cell functions.
  • Pathogens balance epithelial barrier disruption with colonization maintenance.

Conclusions:

  • Bacterial pathogenesis involves complex, evolved strategies.
  • Pathogens exploit host cells and manipulate epithelial integrity.
  • These findings establish a new paradigm in understanding bacterial pathogenesis.