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Updated: Jul 4, 2026

Using a Bacterial Pathogen to Probe for Cellular and Organismic-level Host Responses
08:38

Using a Bacterial Pathogen to Probe for Cellular and Organismic-level Host Responses

Published on: February 22, 2019

What makes pathogens pathogenic.

Garth D Ehrlich1, N Luisa Hiller, Fen Ze Hu

  • 1Center for Genomic Sciences, Allegheny General Hospital, Allegheny Singer Research Institute, Pittsburgh, PA 15212, USA. gehrlich@wpahs.org

Genome Biology
|July 5, 2008
PubMed
Summary
This summary is machine-generated.

The balance between host microbes and animals can shift from beneficial to harmful. This transition depends on environmental factors and gene interactions within the ecosystem.

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Area of Science:

  • Microbiology
  • Ecology
  • Genetics

Background:

  • Metazoans host complex microbial ecosystems.
  • The host-microbe relationship exists on a spectrum from commensalism to pathogenicity.
  • Ecosystem dynamics influence host-microbe interactions.

Purpose of the Study:

  • To explore the factors influencing the transition from commensalism to pathogenicity in metazoan microbial ecosystems.
  • To understand the interplay between environmental conditions and gene-gene interactions in host-microbe dynamics.

Main Methods:

  • This study examines the ecological and genetic factors governing host-microbe relationships.
  • It analyzes how environmental conditions modulate gene-gene interactions within the ecosystem.

Main Results:

  • The transition from commensalism to pathogenicity is multifactorial.
  • Environmental conditions and specific gene-gene interactions are critical determinants.
  • The overall ecosystem context is essential for understanding these shifts.

Conclusions:

  • Host-microbe balance is sensitive to environmental and genetic factors.
  • Understanding ecosystem-level interactions is key to predicting host-microbe dynamics.
  • This research provides insights into the ecological and genetic basis of microbial pathogenicity in metazoans.