ArticleScientific reports2019
Female novelty and male status dynamically modulate ejaculate expenditure and seminal fluid proteome over successive matings in red junglefowl.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 18 citations in OpenAlex.
- Diagnosing confounded Bateman gradients.Evolution; international journal of organic evolution · 2025Article
- Post-copulatory competition in a social monogamy system: Sperm morphology correlates with components of reproductive success.PloS one · 2025Article
- Males conditionally inseminate at three female body locations according to female mating history and female maturity status in a squid.Scientific reports · 2024Article
- Genotype-by-environment interactions influence the composition of theProceedings. Biological sciences · 2023Article
- On the Role of Seminal Fluid Protein and Nucleic Acid Content in Paternal Epigenetic Inheritance.International journal of molecular sciences · 2022Review
- Seminal fluid and accessory male investment in sperm competition.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Review
- Social status and ejaculate composition in the house mouse.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Article
- Three decades of sperm competition in birds.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020Review
- Molecular Diversification of the Seminal Fluid Proteome in a Recently Diverged Passerine Species Pair.Molecular biology and evolution · 2020Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
Theory predicts that males will strategically invest in ejaculates according to the value of mating opportunities. While strategic sperm allocation has been studied extensively, little is known about concomitant changes in seminal fluid (SF) and its molecular composition, despite increasing evidence that SF proteins (SFPs) are fundamental in fertility and sperm competition. Here, we show that in male red junglefowl, Gallus gallus, along with changes in sperm numbers and SF investment, SF composition changed dynamically over successive matings with a first female, immediately followed by mating with a second, sexually novel female. The SF proteome exhibited a pattern of both protein depletion and enrichment over successive matings, including progressive increases in immunity and plasma proteins. Ejaculates allocated to the second female had distinct proteomic profiles, where depletion of many SFPs was compensated by increased investment in others. This response was partly modulated by male social status: when mating with the second, novel female, subdominants (but not dominants) preferentially invested in SFPs associated with sperm composition, which may reflect status-specific differences in mating rates, sperm maturation and sperm competition. Global proteomic SF analysis thus reveals that successive matings trigger rapid, dynamic SFP changes driven by a combination of depletion and strategic allocation.
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