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Updated: May 11, 2026

Using Fluorescent Proteins to Monitor Glycosome Dynamics in the African Trypanosome
Published on: August 19, 2014
Social motility in african trypanosomes
Michael Oberholzer1, Miguel A Lopez, Bryce T McLelland
1Department of Microbiology, Immunology, and Molecular Genetics, University of California Los Angeles, Los Angeles, California, United States of America.
African trypanosomes, protozoan parasites, exhibit social motility when grown on surfaces. These multicellular communities migrate and cooperate, offering new insights into host-parasite interactions.
Area of Science:
- Parasitology
- Microbiology
- Cell Biology
Background:
- African trypanosomes cause significant human and animal diseases.
- Research typically studies these parasites as individual cells.
- Understanding their collective behavior is crucial.
Purpose of the Study:
- To investigate the social behavior of African trypanosomes.
- To characterize multicellular community formation and migration.
- To explore the mechanisms underlying cooperative movement.
Main Methods:
- Cultivating procyclic Trypanosoma brucei on semisolid agarose surfaces.
- Observing and analyzing trypanosome community assembly and migration.
- Utilizing trypanin knockdown parasites to assess flagellum-mediated motility.
Main Results:
- Trypanosomes form multicellular communities on agarose.
- These communities exhibit polarized migration across surfaces.
- Cooperative movement is flagellum-dependent and responsive to external signals.
- This behavior is termed 'social motility'.
Conclusions:
- Social motility is a novel and unexpected behavior in African trypanosomes.
- This discovery provides new perspectives on trypanosome biology.
- Social motility may offer new paradigms for understanding host-parasite interactions.
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