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SexAntag SIGNED

Prevalence and Influence of Sexual Antagonism on Genome Evolution

Total Cost €

EC-Contrib. €

Partnership

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SexAntag project word cloud

Explore the words cloud of the SexAntag project. It provides you a very rough idea of what is the project "SexAntag" about.

biased prone influence closely global invoked leads time population profile traits species driving sexual theory absence proved predictions antagonistic frac12 behavior attempted females selective prevalence groups made experimental maintains artemia difficult populations forces hypothesis versus maintaining levels antagonism conflict quantifying display profound physiology mutations direct evolutionary dimorphism tackle brine acquire biology predicted diagnostic shrimp expression diversity genomics evolution gene sex phenotype beneficial asexual signatures harmful few model consistent sexually regime female differences occurs shifts genome genes ing compare overview males systematically question chromosome

Project "SexAntag" data sheet

The following table provides information about the project.

Coordinator	INSTITUTE OF SCIENCE AND TECHNOLOGY AUSTRIA Organization address address: Am Campus 1 city: KLOSTERNEUBURG postcode: 3400 website: www.ist.ac.at contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	Austria [AT]
Total cost	1˙444˙394 €
EC max contribution	1˙444˙394 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2016-STG
Funding Scheme	ERC-STG
Starting year	2017
Duration (year-month-day)	from 2017-03-01 to 2022-02-28

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	INSTITUTE OF SCIENCE AND TECHNOLOGY AUSTRIA INSTITUTE OF SCIENCE AND TECHNOLOGY AUSTRIA Organization address address: Am Campus 1 city: KLOSTERNEUBURG postcode: 3400 website: www.ist.ac.at contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	AT (KLOSTERNEUBURG)	coordinator	1˙444˙394.00

Map

Project objective

Males and females display profound differences in phenotype, physiology and behavior, and understanding the evolutionary forces driving this diversity is a long-standing goal in evolutionary biology. Sexually antagonistic conflict, resulting from traits and/or mutations that are beneficial to one sex but harmful to the other, can in theory lead to strong dimorphism, and has been invoked to explain many evolutionary features, including the large number of genes that acquire sex-biased expression. Quantifying it, however, has proved difficult, and only a few experimental studies have attempted to systematically identify genes under sexual conflict. Species groups with both sexual and asexual populations offer a promising approach to tackle this question, as they allow for a direct comparison of gene expression when selection occurs ½ of the time in females and ½ of the time in males (in sexual species), versus a female-only selective regime (asexual species). Here, we will test the hypothesis that widespread sexual conflict maintains sex-biased gene expression, using the brine shrimp Artemia as a model. Specifically, we will: 1. Compare gene expression levels of closely related Artemia sexual and asexual species, to test if the absence of selection on males (in the female-only species) leads to general shifts in expression, and if these changes are consistent with predictions made under sexual antagonism. 2. Characterize the Z (sex) chromosome of the sexual and asexual species, to test if this chromosome is particularly prone to maintaining genes under sexual conflict, as predicted by theory. 3. Investigate the population genomics profile of genes under sexual conflict, to find signatures of sexual conflict that may be diagnostic for sexually antagonistic genes in other systems. Together, these analyses will provide us with a global overview of the prevalence of sexual antagonism, and of its influence on gene expression and genome evolution.

Publications

List of publications.
year	authors and title	journal	last update
2019	Paris Veltsos, Kate E. Ridout, Melissa A. Toups, Santiago C. GonzÃ¡lez-MartÃnez, Aline Muyle, Olivier Emery, Pasi Rastas, Vojtech Hudzieczek, Roman Hobza, Boris Vyskot, Gabriel A. B. Marais, Dmitry A. Filatov, John R. Pannell Early Sex-Chromosome Evolution in the Diploid Dioecious Plant Mercurialis annua published pages: 815-835, ISSN: 0016-6731, DOI: 10.1534/genetics.119.302045	Genetics 212/3	2020-03-20
2019	Beatriz Vicoso Molecular and evolutionary dynamics of animal sex-chromosome turnover published pages: 1632-1641, ISSN: 2397-334X, DOI: 10.1038/s41559-019-1050-8	Nature Ecology & Evolution 3/12	2020-03-20
2018	Reka K. Kelemen, Beatriz Vicoso Complex History and Differentiation Patterns of the t -Haplotype, a Mouse Meiotic Driver published pages: 365-375, ISSN: 0016-6731, DOI: 10.1534/genetics.117.300513	Genetics 208/1	2020-03-20
2019	Ann Kathrin Huylmans, Melissa A Toups, Ariana Macon, William J Gammerdinger, Beatriz Vicoso Sex-Biased Gene Expression and Dosage Compensation on the Artemia franciscana Z-Chromosome published pages: 1033-1044, ISSN: 1759-6653, DOI: 10.1093/gbe/evz053	Genome Biology and Evolution 11/4	2020-03-20

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