Related Experiment Video
Updated: May 5, 2026

Study of Phagolysosome Biogenesis in Live Macrophages
Published on: March 11, 2014
Phagocyte sabotage: disruption of macrophage signalling by bacterial pathogens
Carrie M Rosenberger1, B Brett Finlay
1Department of Microbiology and Immunology and Biotechnology Laboratory, University of British Columbia, Vancouver, British Columbia, Canada, V6T 1Z3.
Abstract:
Macrophages function at the front line of immune defences against incoming pathogens. But the ability of macrophages to internalize bacteria, migrate, recruit other immune cells to the site of infection and influence the nature of the immune response can provide unintended benefits for bacterial pathogens that are able to subvert or co-opt these normally effective defences. This review highlights recent advances in our understanding of the many interference strategies that are used by bacterial pathogens to undermine macrophage signalling.
Insights
Bacterial pathogens exploit macrophage immune defenses for their own benefit. This review explores how bacteria interfere with macrophage signaling to survive and cause infection.
Area of Science:
- Immunology
- Microbiology
- Cell Biology
Background:
- Macrophages are crucial immune cells defending against pathogens.
- Bacterial pathogens can manipulate macrophage functions like migration and signaling.
- Understanding these interactions is key to combating infections.
Purpose of the Study:
- To review recent advances in bacterial interference strategies against macrophages.
- To highlight how pathogens subvert macrophage defenses.
- To understand the molecular mechanisms of macrophage-pathogen interactions.
Main Methods:
- Literature review of recent research.
- Analysis of bacterial strategies targeting macrophage signaling pathways.
- Synthesis of current knowledge on host-pathogen immune evasion.
Main Results:
- Bacterial pathogens employ diverse strategies to undermine macrophage functions.
- Pathogens co-opt macrophage migration, internalization, and immune response modulation.
- Specific examples of bacterial interference with macrophage signaling are discussed.
Conclusions:
- Bacterial pathogens actively manipulate macrophage immune responses for survival.
- Targeting these bacterial interference strategies may offer new therapeutic approaches.
- Further research is needed to fully elucidate these complex host-pathogen interactions.
Related Concept Videos
Phagocytosis of Apoptotic Cells
Normal cells contain receptors that prevent them from being recognized...
Immune Surveillance by NK Cells and Phagocytes
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
Defense Against Bacterial Pathogens
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Gene Regulation in Microbial Communities: Quorum Sensing
Colonisation of Pathogens
Regulation of Bacterial Virulence

