ArticleGenome biology and evolution2021
The Transposable Elements of the Drosophila serrata Reference Panel.
Article in Genome biology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 1 citations in OpenAlex.
- Retention of a single Cenp-C gene in different syntenic locations in the montium group of Drosophila species.Heredity · 2026Article
- Retention of a singlebioRxiv : the preprint server for biology · 2025Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
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Abstract
Transposable elements (TEs) are an important component of the complex genomic ecosystem. Understanding the tempo and mode of TE proliferation, that is whether it is in maintained in transposition selection balance, or is induced periodically by environmental stress or other factors, is important for understanding the evolution of organismal genomes through time. Although TEs have been characterized in individuals or limited samples, a true understanding of the population genetics of TEs, and therefore the tempo and mode of transposition, is still lacking. Here, we characterize the TE landscape in an important model Drosophila, Drosophila serrata using the D. serrata reference panel, which is comprised of 102 sequenced inbred genotypes. We annotate the families of TEs in the D. serrata genome and investigate variation in TE copy number between genotypes. We find that many TEs have low copy number in the population, but this varies by family and includes a single TE making up to 50% of the genome content of TEs. We find that some TEs proliferate in particular genotypes compared with population levels. In addition, we characterize variation in each TE family allowing copy number to vary in each genotype and find that some TEs have diversified very little between individuals suggesting recent spread. TEs are important sources of spontaneous mutations in Drosophila, making up a large fraction of the total number of mutations in particular genotypes. Understanding the dynamics of TEs within populations will be an important step toward characterizing the origin of variation within and between species.
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