ArticleAnnals of botany2021
Fundamentally different repetitive element composition of sex chromosomes in Rumex acetosa.
Article in Annals of botany, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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18 citing papers in PubMed, 27 citations in OpenAlex.
- Satellite DNA Genomics: The Ongoing Story.International journal of molecular sciences · 2025Review
- Factors determining chromosomal localization of transposable elements in plants.Plant biology (Stuttgart, Germany) · 2025Review
- Independent evolution of satellite DNA sequences in homologous sex chromosomes of Neotropical armored catfish (Harttia).Communications biology · 2025Article
- Contrasting pattern of subtelomeric satellites in the Cannabaceae family.Frontiers in plant science · 2025Article
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- The highly dynamic satellitomes of cultivated wheat species.Annals of botany · 2024Article
- Detection and classification of long terminal repeat sequences in plant LTR-retrotransposons and their analysis using explainable machine learning.BioData mining · 2024Article
- Sexy ways: approaches to studying plant sex chromosomes.Journal of experimental botany · 2024Review
- Carica papaya L. sex chromosome review and physical mapping of the serk 2, svp-like and mdar 4 sequences.Scientific reports · 2024Article
- Why should we study plant sex chromosomes?The Plant cell · 2024Review
- Bread wheat satellitome: a complex scenario in a huge genome.Plant molecular biology · 2024Article
- The nature and genomic landscape of repetitive DNA classes in Chrysanthemum nankingense shows recent genomic changes.Annals of botany · 2023Article
- Genome-wide analysis of transposable elements and satellite DNA inFrontiers in plant science · 2023Article
- Telomeres and Their Neighbors.Genes · 2022Review
- The contributions of Nettie Stevens to the field of sex chromosome biology.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- The Sister Chromatid Division of the Heteromorphic Sex Chromosomes inInternational journal of molecular sciences · 2022Article
- Chromosome-scale assembly of the genome of Salix dunnii reveals a male-heterogametic sex determination system on chromosome 7.Molecular ecology resources · 2021Article
- Epigenetics drive the evolution of sex chromosomes in animals and plants.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021Review
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9 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsDioecious species with well-established sex chromosomes are rare in the plant kingdom. Most sex chromosomes increase in size but no comprehensive analysis of the kind of sequences that drive this expansion has been presented. Here we analyse sex chromosome structure in common sorrel (Rumex acetosa), a dioecious plant with XY1Y2 sex determination, and we provide the first chromosome-specific repeatome analysis for a plant species possessing sex chromosomes.
methodsWe flow-sorted and separately sequenced sex chromosomes and autosomes in R. acetosa using the two-dimensional fluorescence in situ hybridization in suspension (FISHIS) method and Illumina sequencing. We identified and quantified individual repeats using RepeatExplorer, Tandem Repeat Finder and the Tandem Repeats Analysis Program. We employed fluorescence in situ hybridization (FISH) to analyse the chromosomal localization of satellites and transposons. KEY
resultsWe identified a number of novel satellites, which have, in a fashion similar to previously known satellites, significantly expanded on the Y chromosome but not as much on the X or on autosomes. Additionally, the size increase of Y chromosomes is caused by non-long terminal repeat (LTR) and LTR retrotransposons, while only the latter contribute to the enlargement of the X chromosome. However, the X chromosome is populated by different LTR retrotransposon lineages than those on Y chromosomes.
conclusionsThe X and Y chromosomes have significantly diverged in terms of repeat composition. The lack of recombination probably contributed to the expansion of diverse satellites and microsatellites and faster fixation of newly inserted transposable elements (TEs) on the Y chromosomes. In addition, the X and Y chromosomes, despite similar total counts of TEs, differ significantly in the representation of individual TE lineages, which indicates that transposons proliferate preferentially in either the paternal or the maternal lineage.
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