ArticleEcology and evolution2019
Some like it dry: Water restriction overrides heterogametic sex determination in two reptiles.
Article in Ecology and evolution, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Evolutionary stability inferred for a free ranging lizard with sex-reversal.Molecular ecology · 2022Article
- RADSex: A computational workflow to study sex determination using restriction site-associated DNA sequencing data.Molecular ecology resources · 2021Article
- Short-term changes in air humidity and water availability weakly constrain thermoregulation in a dry-skinned ectotherm.PloS one · 2021Article
- Water deprivation compromises maternal physiology and reproductive success in a cold and wet adapted snakeConservation physiology · 2021Article
- Chronic water restriction triggers sex-specific oxidative stress and telomere shortening in lizards.Biology letters · 2020Article
- Osmotic 'cost' of reproduction in breeding male toads.Biology letters · 2019Article
- Some like it dry: Water restriction overrides heterogametic sex determination in two reptiles.Ecology and evolution · 2019Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
abstractThe evolution of sex determination is complex and yet crucial in our understanding of population stability. In ectotherms, sex determination involves a variety of mechanisms including genetic determination (GSD), environment determination (ESD), but also interactions between the two via sex reversal. In this study, we investigated whether water deprivation during pregnancy could override GSD in two heterogametic squamate reptiles. We demonstrated that water restriction in early gestation induced a male-biased secondary sex ratio in both species, which could be explained by water sex reversal as the more likely mechanism. We further monitored some long-term fitness estimates of offspring, which suggested that water sex determination (WSD) represented a compensatory strategy producing the rarest sex according to Fisher's assumptions of frequency-dependent selection models. This study provides new insights into sex determination modes and calls for a general investigation of mechanisms behind WSD and to examine the evolutionary implications. OPEN RESEARCH BADGES: This article has earned an Open Data Badge for making publicly available the digitally-shareable data necessary to reproduce the reported results. The data is available at https://doi.org/10.5061/dryad.mv06pv1.
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