ArticlePhilosophical transactions of the Royal Society of London. Series B, Biological sciences2022
Sex chromosomes, sex ratios and sex gaps in longevity in plants.
Article in Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 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
8 citing papers in PubMed.
- Diverging sex ratios in dioecious Proteaceae are exacerbated by anthropogenic disruptions to the fire cycle.Annals of botany · 2026Article
- Variation in adult sex ratios in tetrapods is linked to sex chromosomes through mortality differences between males and females.PLoS biology · 2025Article
- Mother's Curse effects on lifespan and aging.Frontiers in aging · 2024Review
- Sexual antagonism in sequential hermaphrodites.Proceedings. Biological sciences · 2023Article
- Y chromosome toxicity does not contribute to sex-specific differences in longevity.Nature ecology & evolution · 2023Article
- How much does the unguarded X contribute to sex differences in life span?Evolution letters · 2022Article
- Sex chromosomes, sex ratios and sex gaps in longevity in plants.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
- Sex determination and sex chromosome evolution in land plants.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
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Authors and funding
2 authors.
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No grant is acknowledged in the PubMed record.
Abstract
In animals, males and females can display markedly different longevity (also called sex gaps in longevity, SGL). Sex chromosomes contribute to establishing these SGLs. X-hemizygosity and toxicity of the Y chromosomes are two mechanisms that have been suggested to reduce male longevity (Z-hemizygosity and W toxicity in females in ZW systems). In plants, SGLs are known to exist, but the role of sex chromosomes remains to be established. Here, by using adult sex ratio as a proxy for measuring SGLs, we explored the relationship between sex chromosomes and SGLs across 43 plant species. Based on the knowledge accumulated in animals, we specifically asked whether: (i) species with XY systems tend to have female-biased sex ratios (reduced male longevity) and species with ZW ones tend to have male-biased sex ratios (reduced female longevity); and (ii) this pattern was stronger in heteromorphic systems compared to homomorphic ones. Our results tend to support these predictions although we lack statistical power because of a small number of ZW systems and the absence of any heteromorphic ZW system in the dataset. We discuss the implications of these findings, which we hope will stimulate further research on sex differences in lifespan and ageing across plants. This article is part of the theme issue 'Sex determination and sex chromosome evolution in land plants'.
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