ArticlePLoS genetics2022
Dioecy and chromosomal sex determination are maintained through allopolyploid speciation in the plant genus Mercurialis.
Article in PLoS genetics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed, 7 citations in OpenAlex.
- Persistence of an unusual triple sex chromosome system through allopolyploidization in African clawed frogs (Xenopus, subgenus Silurana).Evolution; international journal of organic evolution · 2026Article
- Rapid Sex Chromosome Turnover in African Clawed Frogs (Xenopus) and the Origins of New Sex Chromosomes.Molecular biology and evolution · 2024Article
- Allopolyploidization from two dioecious ancestors leads to recurrent evolution of sex chromosomes.Nature communications · 2024Article
- The genome sequence of the Annual Mercury,Wellcome open research · 2024Article
- Phylogenomics and Systematics of Overlooked Mesoamerican and South American Polyploid Broad-LeavedPlants (Basel, Switzerland) · 2022Article
- Dioecy and chromosomal sex determination are maintained through allopolyploid speciation in the plant genus Mercurialis.PLoS genetics · 2022Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polyploidization may precipitate dramatic changes to the genome, including chromosome rearrangements, gene loss, and changes in gene expression. In dioecious plants, the sex-determining mechanism may also be disrupted by polyploidization, with the potential evolution of hermaphroditism. However, while dioecy appears to have persisted through a ploidy transition in some species, it is unknown whether the newly formed polyploid maintained its sex-determining system uninterrupted, or whether dioecy re-evolved after a period of hermaphroditism. Here, we develop a bioinformatic pipeline using RNA-sequencing data from natural populations to demonstrate that the allopolyploid plant Mercurialis canariensis directly inherited its sex-determining region from one of its diploid progenitor species, M. annua, and likely remained dioecious through the transition. The sex-determining region of M. canariensis is smaller than that of its diploid progenitor, suggesting that the non-recombining region of M. annua expanded subsequent to the polyploid origin of M. canariensis. Homeologous pairs show partial sexual subfunctionalization. We discuss the possibility that gene duplicates created by polyploidization might contribute to resolving sexual antagonism.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.