Leishmania genomic adaptation: more than just a 36-body problem
Gerald F Späth1, Laura Piel1, Pascale Pescher1
1Institut Pasteur, Unité de Parasitologie moléculaire et Signalisation, Université Paris Cité, INSERM U1347, Paris, France.
Trends in Parasitology
|May 2, 2025
Summary
Genome instability drives adaptation in eukaryotic cells like Leishmania parasites. Researchers are exploring how these organisms manage copy number variations and their impact on fitness.
Area of Science:
- Genomics
- Parasitology
- Evolutionary Biology
Background:
- Genome instability is a key factor in adaptation for rapidly growing eukaryotic cells, including fungi, protists, and cancer.
- The mechanisms by which these cells manage toxic effects from copy number variations are not fully understood.
- Leishmania parasites, a group of protist pathogens, are emerging as valuable models to investigate genome instability and adaptation.
Purpose of the Study:
- To explore how Leishmania parasites cope with genome instability.
- To understand the role of intrinsic genome instability in fitness gain in Leishmania.
- To propose new evolutionary concepts for Leishmania genomic adaptation.
Main Methods:
- Review of recent findings on Leishmania genomic adaptation.
- Analysis of Leishmania spp. as model pathogens.
- Consideration of genotype-to-phenotype relationships.
Main Results:
- Leishmania spp. exhibit intrinsic genome instability that contributes to adaptation.
- Fitness gains in Leishmania are linked to genomic adaptation.
- Recent results provide insights into Leishmania genomic adaptation.
Conclusions:
- Leishmania parasites serve as a crucial model for studying genome instability and adaptation.
- Understanding Leishmania's genomic plasticity is essential for mapping genotype-to-phenotype relationships.
- New evolutionary concepts are proposed for the Leishmania field.
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