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BARRIERS SIGNED

The evolution of barriers to gene exchange

Total Cost €

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EC-Contrib. €

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Partnership

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Project "BARRIERS" data sheet

The following table provides information about the project.

Coordinator
THE UNIVERSITY OF SHEFFIELD 

Organization address
address: FIRTH COURT WESTERN BANK
city: SHEFFIELD
postcode: S10 2TN
website: www.shef.ac.uk

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 United Kingdom [UK]
 Total cost 2˙499˙926 €
 EC max contribution 2˙499˙926 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2015-AdG
 Funding Scheme ERC-ADG
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2021-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    THE UNIVERSITY OF SHEFFIELD UK (SHEFFIELD) coordinator 1˙524˙404.00
2    GOETEBORGS UNIVERSITET SE (GOETEBORG) participant 975˙521.00

Map

 Project objective

Speciation is a central process in evolution that involves the origin of barriers to gene flow between populations. Species are typically isolated by several barriers and assembly of multiple barriers separating the same populations seems to be critical to the evolution of strong reproductive isolation. Barriers resulting from direct selection can become coincident through a process of coupling while reinforcement can add barrier traits that are not under direct selection. In the presence of gene flow, these processes are opposed by recombination. While recent research using the latest sequencing technologies has provided much increased knowledge of patterns of differentiation and the genetic basis of local adaptation, it has so far added little to understanding of the coupling and reinforcement processes.

In this project, I will focus on the accumulation of barriers to gene exchange and the processes underlying increasing reproductive isolation. I will use the power of natural contact zones, combined with novel manipulative experiments, to separate the processes that underlie patterns of differentiation and introgression. The Littorina saxatilis model system allows me to do this with both local replication and a contrast between distinct spatial contexts on a larger geographic scale. I will use modelling to determine how processes interact and to investigate the conditions most likely to promote coupling and reinforcement. Overall, the project will provide major new insights into the speciation process, particularly revealing the requirements for progress towards complete reproductive isolation.

 Publications

year authors and title journal last update
List of publications.
2019 Roger Butlin, Kerstin Johannesson, Sean Stankowski, Francesca Raffini
Snails evolving into new species on the sea shore
published pages: , ISSN: , DOI:
2019-10-31
2019 Rui Faria, Kerstin Johannesson, Roger K. Butlin, Anja M. Westram
Evolving Inversions
published pages: 239-248, ISSN: 0169-5347, DOI: 10.1016/j.tree.2018.12.005
Trends in Ecology & Evolution 34/3 2019-10-10
2018 Roger K. Butlin, Carole M. Smadja
Coupling, Reinforcement, and Speciation
published pages: 155-172, ISSN: 0003-0147, DOI: 10.1086/695136
The American Naturalist 191/2 2019-06-13
2018 Johan Hollander, Mauricio Montaño-Rendón, Giuseppe Bianco, Xi Yang, Anja M. Westram, Ludovic Duvaux, David G. Reid, Roger K. Butlin
Are assortative mating and genital divergence driven by reinforcement?
published pages: 557-566, ISSN: 2056-3744, DOI: 10.1002/evl3.85
Evolution Letters 2/6 2019-04-18
2018 Anja M. Westram, Marina Rafajlović, Pragya Chaube, Rui Faria, Tomas Larsson, Marina Panova, Mark Ravinet, Anders Blomberg, Bernhard Mehlig, Kerstin Johannesson, Roger Butlin
Clines on the seashore: The genomic architecture underlying rapid divergence in the face of gene flow
published pages: 297-309, ISSN: 2056-3744, DOI: 10.1002/evl3.74
Evolution Letters 2/4 2019-04-16
2018 Rui Faria, Pragya Chaube, Hernán E. Morales, Tomas Larsson, Alan R. Lemmon, Emily Moriarty Lemmon, Marina Rafajlović, Marina Panova, Mark Ravinet, Kerstin Johannesson, Anja M. Westram, Roger K. Butlin
Multiple chromosomal rearrangements in a hybrid zone between Littorina saxatilis ecotypes
published pages: , ISSN: 0962-1083, DOI: 10.1111/mec.14972
Molecular Ecology 2019-04-16

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