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SexAntag SIGNED

Prevalence and Influence of Sexual Antagonism on Genome Evolution

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EC-Contrib. €

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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 AT (KLOSTERNEUBURG) coordinator 1˙444˙394.00

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 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

year authors and title journal last update
List of publications.
2019 Paris Veltsos, Kate E. Ridout, Melissa A. Toups, Santiago C. González-Martínez, 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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