ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2015
Chromosome landmarks and autosome-sex chromosome translocations in Rumex hastatulus, a plant with XX/XY1Y2 sex chromosome system.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 35 citations in OpenAlex.
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- Sexy ways: approaches to studying plant sex chromosomes.Journal of experimental botany · 2024Review
- Why should we study plant sex chromosomes?The Plant cell · 2024Review
- Phased Assembly of Neo-Sex Chromosomes Reveals Extensive Y Degeneration and Rapid Genome Evolution in Rumex hastatulus.Molecular biology and evolution · 2024Article
- An Overview of Molecular Basis and Genetic Modification of Floral Organs Genes: Impact of Next-Generation Sequencing.Molecular biotechnology · 2023Review
- Novel Insights into the Nature of Intraspecific Genome Size Diversity inPlants (Basel, Switzerland) · 2022Article
- Physiological aspects of sex differences and Haldane's rule in Rumex hastatulus.Scientific reports · 2022Article
- Recombination landscape dimorphism and sex chromosome evolution in the dioecious plantPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
- Widespread Recombination Suppression Facilitates Plant Sex Chromosome Evolution.Molecular biology and evolution · 2021Article
- Fundamentally different repetitive element composition of sex chromosomes in Rumex acetosa.Annals of botany · 2021Article
- The Formation of Sex Chromosomes inFrontiers in plant science · 2020Article
- A reciprocal translocation radically reshapes sex-linked inheritance in the common frog.Molecular ecology · 2019Article
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- Sex and the flower - developmental aspects of sex chromosome evolution.Annals of botany · 2018Review
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- Recombination changes at the boundaries of fully and partially sex-linked regions between closely related Silene species pairs.Heredity · 2017Article
- The genetic contribution to sex determination and number of sex chromosomes vary among populations of common frogs (Rana temporaria).Heredity · 2016Article
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Authors and funding
6 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rumex hastatulus is the North American endemic dioecious plant with heteromorphic sex chromosomes. It is differentiated into two chromosomal races: Texas (T) race characterised by a simple XX/XY sex chromosome system and North Carolina (NC) race with a polymorphic XX/XY1Y2 sex chromosome system. The gross karyotype morphology in NC race resembles the derived type, but chromosomal changes that occurred during its evolution are poorly understood. Our C-banding/DAPI and fluorescence in situ hybridization (FISH) experiments demonstrated that Y chromosomes of both races are enriched in DAPI-positive sequences and that the emergence of polymorphic sex chromosome system was accompanied by the break of ancestral Y chromosome and switch in the localization of 5S rDNA, from autosomes to sex chromosomes (X and Y2). Two contrasting domains were detected within North Carolina Y chromosomes: the older, highly heterochromatinised, inherited from the original Y chromosome and the younger, euchromatic, representing translocated autosomal material. The flow-cytometric DNA estimation showed ∼3.5 % genome downsizing in the North Carolina race. Our results are in contradiction to earlier reports on the lack of heterochromatin within Y chromosomes of this species and enable unambiguous identification of autosomes involved in the autosome-heterosome translocation, providing useful chromosome landmarks for further studies on the karyotype and sex chromosome differentiation in this species.
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