ArticleChromosoma2022
Satellitome analysis illuminates the evolution of ZW sex chromosomes of Triportheidae fishes (Teleostei: Characiformes).
Article in Chromosoma, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.
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21 citing papers in PubMed, 38 citations in OpenAlex.
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- Emergence of satellite DNAs suggests centromeric repositioning as a driver of karyotypic variation of the freshwater darter characines (Apareiodon affinis).Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2026Article
- Investigating the evolution of large meiotic rings of multiple X and Y sex chromosomes in two Leptodactylus frog species (Anura, Leptodactylidae).Communications biology · 2025Article
- Repetitive DNAs and Karyotype Evolution in Phyllostomid Bats (Chiroptera: Phyllostomidae).Biomolecules · 2025Article
- Repeatome Dynamics and Sex Chromosome Differentiation in the XY and XYInternational journal of molecular sciences · 2025Article
- New Insights into the Sex Chromosome Evolution of the Common Barker Frog Species Complex (Anura, Leptodactylidae) Inferred from Its Satellite DNA Content.Biomolecules · 2025Article
- Independent evolution of satellite DNA sequences in homologous sex chromosomes of Neotropical armored catfish (Harttia).Communications biology · 2025Article
- Repetitive DNAs and differentiation of the ZZ/ZW sex chromosome system in the combtail fish Belontia hasselti (Perciformes: Osphronemidae).BMC ecology and evolution · 2025Article
- Unraveling the role of satellite DNAs in the evolution of the giant XY sex chromosomes of the flea beetle Omophoita octoguttata (Coleoptera, Chrysomelidae).BMC biology · 2025Article
- Satellitome analysis on the pale-breasted thrush Turdus leucomelas (Passeriformes; Turdidae) uncovers the putative co-evolution of sex chromosomes and satellite DNAs.Scientific reports · 2024Article
- Satellite DNAs and the evolution of the multiple XScientific reports · 2024Article
- Evolution of bird sex chromosomes: a cytogenomic approach in Palaeognathae species.BMC ecology and evolution · 2024Article
- Evolution of ancient satellite DNAs in extant alligators and caimans (Crocodylia, Reptilia).BMC biology · 2024Article
- Satellitome Analysis in the Southern Lapwing (Genes · 2024Article
- Fast satellite DNA evolution in Nothobranchius annual killifishes.Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology · 2023Article
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- Following the Pathway of W Chromosome Differentiation inBiology · 2023Article
- Cytogenetics Meets Genomics: Cytotaxonomy and Genomic Relationships among Color Variants of the Asian ArowanaInternational journal of molecular sciences · 2023Article
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Authors and funding
8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Satellites are an abundant source of repetitive DNAs that play an essential role in the chromosomal organization and are tightly linked with the evolution of sex chromosomes. Among fishes, Triportheidae stands out as the only family where almost all species have a homeologous ZZ/ZW sex chromosomes system. While the Z chromosome is typically conserved, the W is always smaller, with variations in size and morphology between species. Here, we report an analysis of the satellitome of Triportheus auritus (TauSat) by integrating genomic and chromosomal data, with a special focus on the highly abundant and female-biased satDNAs. In addition, we investigated the evolutionary trajectories of the ZW sex chromosomes in the Triportheidae family by mapping satDNAs in selected representative species of this family. The satellitome of T. auritus comprised 53 satDNA families of which 24 were also hybridized by FISH. Most satDNAs differed significantly between sexes, with 19 out of 24 being enriched on the W chromosome of T. auritus. The number of satDNAs hybridized into the W chromosomes of T. signatus and T. albus decreased to six and four, respectively, in accordance with the size of their W chromosomes. No TauSat probes produced FISH signals on the chromosomes of Agoniates halecinus. Despite its apparent conservation, our results indicate that each species differs in the satDNA accumulation on the Z chromosome. Minimum spanning trees (MSTs), generated for three satDNA families with different patterns of FISH mapping data, revealed different homogenization rates between the Z and W chromosomes. These results were linked to different levels of recombination between them. The most abundant satDNA family (TauSat01) was exclusively hybridized in the centromeres of all 52 chromosomes of T. auritus, and its putative role in the centromere evolution was also highlighted. Our results identified a high differentiation of both ZW chromosomes regarding satellites composition, highlighting their dynamic role in the sex chromosomes evolution.
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