ArticleGenome biology and evolution2025
Chromosomal Inversions Mediated by Tandem Insertions of Transposable Elements.
Article in Genome biology and evolution, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- From junk to deleterious: Natural subtelomeric repeat amplifications impact fitness and cellular phenotypes in yeast.bioRxiv : the preprint server for biology · 2026Article
- Ancient but dynamic: structural expansion, massive gene duplication, and transposable element colonization in a supergene controlling ant social organization.Molecular biology and evolution · 2026Article
- Ancient origin and dynamic evolution of bivalent spider toxins.Molecular biology and evolution · 2026Article
- The dynamics of transposable element content in the genome of the human pathogen Histoplasma.Fungal genetics and biology : FG & B · 2026Article
- Rapid genome modifications including chromosomal fusions and large-scale inversions are key features in Arctic codfish species.Genome biology · 2026Article
- Telomeric assemblies ofbioRxiv : the preprint server for biology · 2025Article
- Reference genome bias in light of species-specific chromosomal reorganization and translocations.Genome biology · 2025Article
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Authors and funding
12 authors.
Funding
Abstract
Chromosomal inversions play a crucial role in evolution by influencing phenotypes through the linkage of coadapted alleles. While inversions have been found across a large number of taxa, mapping and characterizing inversion breakpoint regions remain challenging, often due to the presence of complex tandem repeats and transposable elements. Here, we identify and quantify transposable elements in the breakpoints of the four large-scale inversions previously reported in Atlantic cod, leveraging on three high-quality long-read-based reference genome assemblies for the Norwegian Coastal cod, the Northeast Arctic cod, and Celtic cod ecotypes. We detected a significant enrichment of transposable element orders and superfamilies with terminal inverted repeats within the inversion breakpoint regions of chromosomes 1, 7 and 12. Notably, we discovered a tandem accumulation of miniature inverted-repeat transposable elements belonging to a family of hAT transposons, exclusively residing in the breakpoints of the inverted haplotype on chromosomes 1 and 7 found in the Northeast Arctic cod. The accumulation of tandemly arranged transposable elements with high sequence similarity in breakpoint regions suggests that they have driven the appearance of inversions through ectopic recombination, further supporting the potential of transposable elements in facilitating chromosomal reorganizations with large evolutionary implications.
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