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The surface charge of trypanosomatids.
1Laboratório de Biologia de Protozoários, Instituto de Microbiologia Prof. Paulo de Góes, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 21941-590, Brazil. souto.padron@micro.ufrj.br
Anais Da Academia Brasileira De Ciencias
|February 4, 2003
Summary
Trypanosomatids possess a negative surface charge, influenced by species and developmental stage. This charge is primarily due to sialic acids, glycoproteins, glycolipids, and phosphate groups.
Area of Science:
- Biochemistry
- Cell Biology
- Parasitology
Background:
- Trypanosomatids are protozoan parasites responsible for various diseases.
- Understanding their surface properties is crucial for drug development and diagnostics.
Purpose of the Study:
- To investigate the surface charge of trypanosomatids.
- To identify the molecular components responsible for the surface charge.
Main Methods:
- Assessing surface charge using cationic particle binding and electron microscopy.
- Measuring electrophoretic mobility of cells.
Main Results:
- Most trypanosomatids exhibit a net negative surface charge.
- Surface charge is species-specific and stage-dependent.
- Sialic acids, glycoproteins, glycolipids, and phosphate groups are key contributors to negative surface charge.
Conclusions:
- The surface charge of trypanosomatids is a dynamic and species-specific characteristic.
- Molecular components like sialic acids play a significant role in determining surface charge, offering potential targets for intervention.