Evolutionary lability of sexual selection and its implications for speciation and macroevolution DOI
Matheus Januario, Renato C. Macedo‐Rego, Daniel L. Rabosky

et al.

The American Naturalist, Journal Year: 2024, Volume and Issue: unknown, P. 000 - 000

Published: Dec. 17, 2024

AbstractSexual selection is widely hypothesized to facilitate speciation and phenotypic evolution, but evidence from comparative studies has been mixed. Many previous have relied on proxy variables quantify the intensity of sexual selection, raising possibility that inconclusive results may reflect, in part, imperfect measurement this evolutionary process. Here, we test relationship between phylogenetic rates indices opportunity for drawn populations 82 vertebrate taxa. These provide a much more direct assessment than traits allow straightforward comparisons among distantly related clades. We find no correlation rate, result consistent across many complementary analyses. In addition, used variables-sexual dimorphism dichromatism-are not correlated with employed here. Moreover, low signal intraspecific variability species approaches range variation observed all vertebrates as whole. Our potentially reconcile major paradox biology at interface microevolution macroevolution: can be important speciation, yet lability process over deeper timescales restricts its impact broad-scale patterns biodiversity.

Language: Английский

Revisiting niche divergence hypothesis in sexually dimorphic birds: Is diet overlap correlated with sexual size dimorphism? DOI
Carolina Bravo, Luis M. Bautista, Juan Carlos Alonso

et al.

Journal of Animal Ecology, Journal Year: 2024, Volume and Issue: 93(4), P. 460 - 474

Published: March 10, 2024

Abstract The evolution of sexual size dimorphism (SSD) is a long‐standing topic in evolutionary biology, but there little agreement on the extent to which SSD driven by different selective forces. While selection and fecundity have traditionally been proposed as two leading hypotheses, may also result from natural through mechanisms such niche divergence, might reduced resource competition between sexes. Here, we revisited divergence hypothesis testing relationship overlap diet 56 bird species using phylogenetic comparative analyses. We then assessed how variation relates three main hypotheses: selection, generalized least squares (PGLS). Then, compared drivers confirmatory path analyses disentangle possible causal relationships hypotheses. Phylogenetic showed that was negatively correlated with overlap, is, greater difference body males females, less overlap. As predicted theory, sexes higher polygynous species. Confirmatory suggested most likely include mating system driver SSD. found no evidence role female‐biased Our study provides has cause dietary an indirect effect

Language: Английский

Citations

3
Degree of anisogamy is unrelated to the intensity of sexual selection DOI Creative Commons
Judit Mokos, István Scheuring, András Liker

et al.

Scientific Reports, Journal Year: 2021, Volume and Issue: 11(1)

Published: Sept. 30, 2021

Abstract Males and females often display different behaviours and, in the context of reproduction, these are labelled sex roles. The Darwin–Bateman paradigm argues that root differences is anisogamy (i.e., size and/or function gametes between sexes) leads to biased sexual selection, parental care body size. This evolutionary cascade, however, contentious since some underpinning assumptions have been questioned. Here we investigate relationships anisogamy, dimorphism, difference intensity selection using phylogenetic comparative analyses 64 species from a wide range animal taxa. results question first step paradigm, as extent does not appear predict selection. only significant predictor relative inputs males into offspring. We propose ecological factors, life-history demography more substantial impacts on contemporary roles than gametic investments sexes.

Language: Английский

Citations

22
Genome-wide association study reveals the genetic basis of growth trait in yellow catfish with sexual size dimorphism DOI Creative Commons

Peipei Huang,

Wenjie Guo, Yuhong Wang

et al.

Genomics, Journal Year: 2022, Volume and Issue: 114(3), P. 110380 - 110380

Published: May 1, 2022

Sexual size dimorphism has been widely observed in a large number of animals including fish species. Genome-wide association study (GWAS) is powerful tool to dissect the genetic basis complex traits, whereas sex-differences genomics animal traits have ignored GWAS analysis. Yellow catfish (Pelteobagrus fulvidraco) an important aquaculture China with significant sexual dimorphism. In this study, was conducted identify candidate SNPs and genes related body length (BL) weight (BW) 125 female yellow from breeding population. total, one BL-related SNP three BW-related were identified be significantly associated traits. Besides, these (Chr15:19195072) shared both BW BL catfish, which further validated 185 male individuals located on exon stat5b gene. Transgenic zebrafish that expressed showed increased growth rate reduction These results not only reveal trait species, but also provide useful information for marker-assisted catfish.

Language: Английский

Citations

15
The sexual selection of creativity: A nomological approach DOI Creative Commons
Felipe Carvalho Novaes, Jean Carlos Natividade

Frontiers in Psychology, Journal Year: 2023, Volume and Issue: 13

Published: Jan. 9, 2023

Cultural innovations, such as tools and other technical articles useful for survival, imply that creativity is an outcome of evolution. However, the existence purely ornamental items obfuscates functional value creativity. What or adaptive aesthetic intellectual ornaments? Recent evidence shows a connection between creativity, individual's attractiveness, their reproductive success. this association not sufficient establishing in humans evolved by sexual selection. In critical review, we synthesize findings from many disciplines about mechanisms, ontogeny, phylogeny, function Existing research indicates has characteristics expected trait selection: genetic basis, dimorphism, wider variety males, influence sex hormones, dysfunctional expressions, advantage mating animals, psychological modules adapted to contexts. Future studies should investigate mixed existing literature, being found particularly attractive non-WEIRD society. Moreover, identified remaining knowledge gaps recommend further be undertaken following areas: correlates societies, relationship androgens, development, creative expression, well impact ornamental, everyday on attractiveness. Evolutionary analyze whether signal quality only way which becomes sexually selected therefore passed generation generation. This review gone long toward integrating enhancing our understanding possible trait.

Language: Английский

Citations

8
Rapid divergent evolution of internal female genitalia and the coevolution of male genital morphology revealed by micro-computed tomography DOI Creative Commons
Nadia S. Sloan, Mark S. Harvey, Joel A. Huey

et al.

Proceedings of the Royal Society B Biological Sciences, Journal Year: 2024, Volume and Issue: 291(2015)

Published: Jan. 31, 2024

Animal genitalia are thought to evolve rapidly and divergently in response sexual selection. Studies of genital evolution have focused largely on male genitalia. The paucity work female morphology is probably due problems faced quantifying shape variation, their composition accessibility. Here we use a combination micro-computed tomography, landmark free quantification phylogenetic analysis quantify the rate among 29 species

Language: Английский

Citations

2
Sexual size dimorphism in mammals is associated with changes in the size of gene families related to brain development DOI Creative Commons
Benjamín Padilla‐Morales,

Alín P. Acuña-Alonzo,

Huseyin Kilili

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: July 24, 2024

In mammals, sexual size dimorphism often reflects the intensity of selection, yet its connection to genomic evolution remains unexplored. Gene family can reflect shifts in relative importance different molecular functions. Here, we investigate associate between brain development gene repertoire using 124 mammalian species. We reveal significant changes associations with dimorphism. High levels correlate an expansion families enriched olfactory sensory perception and a contraction associated functions, many which exhibited particularly high expression human adult brain. These findings suggest relationship intense selection alterations size. insights illustrate complex interplay dimorphism, evolution, their roles function, offering valuable understanding genome evolution.

Language: Английский

Citations

2
Pre‐Copulatory Sexual Selection Predicts Sexual Size Dimorphism: A Meta‐Analysis of Comparative Studies DOI Creative Commons
Lennart Winkler, Robert P. Freckleton, Tamás Székely

et al.

Ecology Letters, Journal Year: 2024, Volume and Issue: 27(9)

Published: Sept. 1, 2024

Size differences between males and females are common across the tree of life (termed sexual size dimorphism; SSD), have fundamental implications for ecology, history behaviour both sexes. Conventionally, SSD is thought to evolve in response sex-specific selection but more recent work suggests that ecological processes can also promote sex-differences size. Here, we provide a global test role evolution dimorphism using data from 77 comparative studies spanning major classes animal kingdom. We show intense typically correlates with male-biased species. Importantly, pre-copulatory not post-copulatory predicts SSD, suggesting pervasive premating male-male competition female choice drive sex body Collectively, our findings suggest plays SSD.

Language: Английский

Citations

2
Distinctiveness and femininity, rather than symmetry and masculinity, affect facial attractiveness across the world DOI
Karel Kleisner, Petr Tureček, S. Adil Sarıbay

et al.

Evolution and Human Behavior, Journal Year: 2023, Volume and Issue: 45(1), P. 82 - 90

Published: Oct. 21, 2023

Language: Английский

Citations

6
The macroevolutionary dynamics of mammalian sexual size dimorphism DOI Creative Commons
Megan Jones, Catherine Sheard

Proceedings of the Royal Society B Biological Sciences, Journal Year: 2023, Volume and Issue: 290(2011)

Published: Nov. 15, 2023

Sexual size dimorphism (SSD) is a common phenomenon across the animal kingdom. Mammals are unusual in primarily displaying male-biased SSD, where males of species typically larger than females. The driving factors behind evolution this SSD have been much debated, with popular hypotheses invoking influence mating system and social organization via sexual selection, dietary niche divergence broad-scale correlations body (Rensch's rule). Here, we investigate macroevolutionary origins maintenance among mammals, using phylogenetic general mixed linear models comprehensive global dataset to evaluate diet, mass, seasonality, type. We find that as whole lost at greater rate it gained, female-biased being particularly unstable. Non-monogamous systems, vertebrate prey consumption temperature seasonality correlate while polyandry correlates both types positively correlated mass. This partial contrast predictions Rensch's rule, which predicts would negatively size. Taken together, our results highlight importance considering multiple ecological drivers when evaluating trajectory sex differences

Language: Английский

Citations

5
Ecology and the evolution of sex chromosomes DOI
Richard P. Meisel

Journal of Evolutionary Biology, Journal Year: 2022, Volume and Issue: 35(12), P. 1601 - 1618

Published: Aug. 11, 2022

Abstract Sex chromosomes are common features of animal genomes, often carrying a sex determination gene responsible for initiating the development sexually dimorphic traits. The specific chromosome that serves as differs across taxa result fusions between and autosomes, along with turnover—autosomes becoming ‘reverting’ back to autosomes. In addition, types genes on frequently differ from evolve faster than autosomal genes. Sex‐specific selection pressures, such sexual antagonism selection, hypothesized be turnovers, unique content accelerated evolutionary rates chromosomes. has pronounced effects because their sex‐biased inheritance can tilt balance in favour one sex. Despite general consensus sex‐specific affects evolution, most population genetic models agnostic sources these many details about remain unresolved. Here, I review evidence ecological factors, including variable heterogeneous environments conflicts natural important determinants pressures shape evolution. also explain how studying ecology evolution help us understand unresolved aspects both selection.

Language: Английский

Citations

8