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Related Experiment Videos

Global protein expression analysis in apicomplexan parasites: current status.

Sabina I Belli1, Robert A Walker, Sarah A Flowers

  • 1Institute for the Biotechnology of Infectious Diseases, University of Technology Sydney, Australia. sabina.belli@uts.edu.au

Proteomics
|March 11, 2005
PubMed
Summary

Proteomics offers new ways to find drug and vaccine targets for Apicomplexa parasites, which cause deadly diseases. Current treatments are insufficient, highlighting the need for novel apicomplexan disease therapies.

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Area of Science:

  • Parasitology
  • Proteomics
  • Molecular Biology

Background:

  • Apicomplexa parasites cause severe human and animal diseases, with significant global health and economic impacts.
  • Existing treatments (chemo- and immunoprophylaxis) are inadequate, creating an urgent need for new interventions.
  • Identifying novel drug and vaccine targets is crucial for controlling apicomplexan infections.

Purpose of the Study:

  • To review the current status of proteomics in analyzing global protein expression in Apicomplexa parasites.
  • To compare different proteomic approaches for studying these pathogens.
  • To discuss the challenges in apicomplexan proteomics research.

Main Methods:

  • High-throughput global protein expression analysis.
  • Gel-based and non-gel-based protein separation technologies.

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  • Mass spectrometry and bioinformatics for protein identification.

    • Main Results:

    • Significant proteomic progress has been made, particularly in Plasmodium falciparum (malaria).
    • Preliminary proteomic maps have been generated for Toxoplasma gondii, Neospora caninum, and Eimeria tenella.
    • Proteomic analysis of E. tenella micronemes has also been reported.

    Conclusions:

    • Proteomics is a powerful tool for identifying potential drug and vaccine targets in Apicomplexa.
    • Further research and technological advancements are needed to overcome challenges in apicomplexan proteomics.
    • Comparative proteomic studies are essential for understanding these diverse parasites.