Related Experiment Video
Updated: Feb 22, 2026

Determination of Chemical Inhibitor Efficiency against Intracellular Toxoplasma Gondii Growth Using a Luciferase-Based Growth Assay
Published on: April 29, 2020
Homologous Recombination in Protozoan Parasites and Recombinase Inhibitors
Andrew A Kelso1,2, Sarah M Waldvogel1, Adam J Luthman1
1Department of Genetics and Biochemistry, Clemson University, ClemsonSC, United States.
Homologous recombination (HR) repairs DNA double-strand breaks using a template. Inhibiting HR in protozoan parasites offers potential therapeutic strategies by targeting essential DNA repair pathways.
Area of Science:
- Molecular Biology
- Genetics
- Parasitology
Background:
- Homologous recombination (HR) is a critical DNA repair pathway essential for maintaining genome stability and genetic diversity.
- HR is conserved in eukaryotes and plays a vital role in protozoan parasites for adaptation and immune evasion.
- Targeting HR presents a potential therapeutic strategy against parasitic infections.
Purpose of the Study:
- To review the current understanding of HR in key protozoan parasites.
- To discuss the potential of small molecule inhibitors targeting HR as therapeutic agents.
- To examine existing inhibitors of human RAD51 for their effects on parasitic HR.
Main Methods:
- Literature review of HR mechanisms in protozoan parasites.
- Analysis of conserved HR pathway components across species.
- Examination of studies on small molecule inhibitors of human RAD51 and their impact on parasitic recombinases.
Main Results:
- HR is essential for survival and genetic adaptation in protozoan parasites like Trypanosoma, Leishmania, Plasmodium, and Entamoeba.
- Small molecule inhibitors targeting human RAD51 have shown effects on Entamoeba recombinases.
- The conserved nature of HR machinery suggests potential for cross-species therapeutic targeting.
Conclusions:
- HR is a crucial and conserved pathway in protozoan parasites, making it a viable therapeutic target.
- Small molecule inhibitors of human RAD51 are promising leads for developing anti-parasitic drugs.
- Further research into HR inhibition could lead to novel treatments for parasitic diseases.
Related Concept Videos
Conservative Site-specific Recombination and Phase Variation
The recognition sites for Cre recombinase called LoxP...
Homologous Recombination
Homologous Recombination
Crossing Over
Diversity of Protists II
Viral Recombination

