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Updated: Apr 27, 2026

Porphyromonas gingivalis as a Model Organism for Assessing Interaction of Anaerobic Bacteria with Host Cells
Published on: December 17, 2015
Porphyromonas gingivalis neutrophil manipulation: risk factor for periodontitis?
1Department of Periodontics, School of Dentistry, University of Washington, Seattle, WA 98195, USA.
Abstract:
Defining the contribution of individual members of dysbiotic host-associated bacterial communities has been difficult. The recent paper by Maekawa et al. in Cell Host & Microbe describes bacterial manipulation of neutrophil responses by Porphyromonas gingivalis as a mechanism that contributes to forming a dysbiotic community.
Insights
Porphyromonas gingivalis manipulates host neutrophil responses to foster a dysbiotic bacterial community. This study reveals a key mechanism driving microbial dysbiosis in host-associated environments.
Area of Science:
- Microbiology
- Immunology
- Host-Microbe Interactions
Background:
- Dysbiosis in host-associated bacterial communities complicates understanding individual microbial roles.
- Porphyromonas gingivalis is implicated in various dysbiotic conditions.
Purpose of the Study:
- To elucidate the mechanisms by which Porphyromonas gingivalis contributes to dysbiotic communities.
- To investigate the manipulation of host immune responses by Porphyromonas gingivalis.
Main Methods:
- Analysis of bacterial manipulation of host neutrophil responses.
- Investigating the role of Porphyromonas gingivalis in community dysbiosis.
Main Results:
- Porphyromonas gingivalis actively manipulates host neutrophil functions.
- This manipulation facilitates the establishment and maintenance of a dysbiotic bacterial community.
Conclusions:
- Bacterial manipulation of host immunity is a significant factor in dysbiosis.
- Porphyromonas gingivalis employs specific strategies to promote dysbiosis, impacting host health.
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