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Related Experiment Video

Updated: Jun 18, 2026

High-throughput Measurement of Dictyostelium discoideum Macropinocytosis by Flow Cytometry
06:47

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Published on: September 10, 2018

Recent insights into host-pathogen interactions from Dictyostelium.

Margaret Clarke1

  • 1Program in Genetic Models of Disease, Oklahoma Medical Research Foundation, Oklahoma City, OK 73104, USA. clarkem@omrf.org

Cellular Microbiology
|November 19, 2009
PubMed
Summary

Bacteria use survival mechanisms against amoebae that also help them evade immune cells, causing human infections. The social amoeba Dictyostelium discoideum is key to studying these conserved host-pathogen interactions.

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Genetic Engineering of Dictyostelium discoideum Cells Based on Selection and Growth on Bacteria
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Last Updated: Jun 18, 2026

High-throughput Measurement of Dictyostelium discoideum Macropinocytosis by Flow Cytometry
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Published on: September 10, 2018

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Genetic Engineering of Dictyostelium discoideum Cells Based on Selection and Growth on Bacteria
06:08

Genetic Engineering of Dictyostelium discoideum Cells Based on Selection and Growth on Bacteria

Published on: January 25, 2019

Area of Science:

  • Microbiology
  • Cell Biology
  • Pathogen Research

Background:

  • Bacteria evolve survival strategies against environmental predators like amoebae.
  • These bacterial defense mechanisms are conserved and enable survival within mammalian phagocytes.
  • This leads to opportunistic infections in humans, highlighting conserved host-pathogen interactions.

Purpose of the Study:

  • To review recent findings on bacterial pathogens using Dictyostelium as a model host.
  • To understand conserved mechanisms of bacterial survival against phagocytic predation.
  • To explore the relevance of Dictyostelium discoideum in studying human opportunistic pathogens.

Main Methods:

  • Utilizing Dictyostelium discoideum as a model host for studying bacterial pathogenesis.
  • Analyzing conserved bacterial survival mechanisms against phagocytic cells.
  • Reviewing literature on bacterial interactions with Dictyostelium.

Main Results:

  • Dictyostelium discoideum effectively models conserved host-pathogen interactions.
  • Bacterial strategies for escaping amoebae are similar to those used against mammalian phagocytes.
  • Several bacterial pathogens' survival mechanisms have been elucidated using this model system.

Conclusions:

  • Dictyostelium discoideum is a valuable tool for investigating bacterial virulence and host defense.
  • Understanding bacterial evasion tactics in Dictyostelium offers insights into human disease.
  • Conserved mechanisms highlight the evolutionary links between environmental survival and pathogenicity.