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SpeSex SIGNED

Does natural selection align with sexual selection to promote reproductive isolation in different environments? An experimental approach

Total Cost €

0

EC-Contrib. €

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Partnership

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Project "SpeSex" data sheet

The following table provides information about the project.

Coordinator
UPPSALA UNIVERSITET 

Organization address
address: VON KRAEMERS ALLE 4
city: UPPSALA
postcode: 751 05
website: www.uu.se

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 Sweden [SE]
 Total cost 203˙852 €
 EC max contribution 203˙852 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-09-01   to  2022-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UPPSALA UNIVERSITET SE (UPPSALA) coordinator 203˙852.00

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 Project objective

Understanding the drivers of reproductive isolation between populations lies at the core of evolutionary biology and is central to understanding how speciation occurs. Natural selection has been traditionally considered a major force driving speciation, but other forces can hamper or reinforce the impact of natural selection on adaptation, including sexual selection. So far, theoretical and empirical studies have produced mixed findings about the extent to which natural and sexual selection act jointly or in opposition to drive reproductive isolation, and hence speciation. Experimental evolution is a powerful tool to test the combined effect of natural and sexual selection to drive population divergence. In this action, I will use seed beetle Acanthoscelides obtectus from long-term experimental evolution lines, which have differed in environmental condition and selective pressures, to explore reproductive isolation as driven by the interaction between local adaptation to a novel environment and sexual selection/conflict. In a novel framework combining phenotypic-level measurements with genomic tools, I will quantify (a) the extent of pre-zygotic reproductive isolation between populations under different environmental regimes; (b) the extent of post-zygotic reproductive isolation, by determining the extent to which hybrid eggs and offspring are of lower fitness than non-hybrids; and (c) gene expression and selection pressures associated with the novel environment at loci associated with natural and sexual selection, which are putative sources of reproductive isolation. This project represents a major advance in our understanding of the role of multiple selective forces in driving species diversity.

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The information about "SPESEX" are provided by the European Opendata Portal: CORDIS opendata.

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