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Updated: Jun 20, 2026

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Published on: March 7, 2019
Do interactions between different Selfish Genetic Elements matter?
Jonathan Wilson1, Nina Wedell1
1School of Biosciences, The University of Melbourne, Parkville, VIC 3010, Australia.
Selfish genetic elements (SGEs) like transposable elements (TEs) conflict with host genomes. This study explores how different SGEs interact within genomes, impacting genome evolution.
Area of Science:
- Genomics
- Evolutionary Biology
- Molecular Biology
Background:
- Organisms harbor mobile DNA, or selfish genetic elements (SGEs), that promote their own transmission, often creating conflict with the host genome.
- Maternally inherited endosymbionts and transposable elements (TEs) are abundant SGEs in arthropods, influencing host reproduction and exhibiting diverse evolutionary effects.
Purpose of the Study:
- To investigate the interactions between different types of SGEs within host genomes.
- To understand how these SGE interactions shape genome evolution using an "ecology of the genome" approach.
Main Methods:
- Utilizing innovations in genomics, particularly long-read sequencing, to resolve repetitive genomic regions.
- Applying an "ecology of the genome" framework to analyze SGE interactions.
Main Results:
- Detecting and analyzing SGEs, including TEs, in previously inaccessible repetitive genomic regions.
- Identifying potential competitive, cooperative, or parasitic interactions between different SGEs.
Conclusions:
- Understanding SGE interactions is crucial for comprehending genome evolution.
- Genomic innovations enable deeper investigation into the complex interplay of SGEs within host genomes.
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