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FITINV

Fitness consequences of chromosome inversion polymorphism in mimetic butterflies

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EC-Contrib. €

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Project "FITINV" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

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 France [FR]
 Project website http://mathieuchouteau.weebly.com/
 Total cost 185˙076 €
 EC max contribution 185˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-06-01   to  2017-05-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 185˙076.00

Map

 Project objective

Elucidating the fitness consequences of genomic innovations and variation is fundamental in understanding the process of adaptation and biological diversity. Chromosome inversions are important evolutionary events often associated with adaptation and cladogenesis. Inversion polymorphism is hypothesized to capture gene combinations favoured under certain environmental conditions, and by suppressing recombination, are thought to facilitate the segregation of co-adapted allelic variations. Nonetheless, little is known about the fitness components associated with inversions, nor their combined effect, be they synergistic or antagonistic, which determine their fate. The proposed fellowship aims to investigate whether inversions capture distinct traits whose combination produce distinct, locally adapted phenotypes, and to determine to which extent recombination suppression carries a fitness cost. The Neotropical butterfly, Heliconius numata, is an excellent model to tackle those questions. This toxic butterfly always displays a high polymorphism of predator-warning colour patterns within populations, with up to seven distinct morphs coexisting within a given locality. This perplexing polymorphism is under the control of a single supergene locus, and alleles associated with distinct morphs are characterized by different combinations of chromosomal inversions. The originality and the evolutionary relevance of the polymorphic mimicry inversions, as well as the availability of both genetic and ecological knowledge in this system, will enable us to significantly improve our understanding of the fitness consequences of inversion polymorphism, and will elucidate how biodiversity can be affected by the interaction of both ecological and genomic factors.

 Publications

year authors and title journal last update
List of publications.
2017 Mathieu Chouteau, Violaine Llaurens, Florence Piron-Prunier, Mathieu Joron
Polymorphism at a mimicry supergene maintained by opposing frequency-dependent selection pressures
published pages: 201702482, ISSN: 0027-8424, DOI: 10.1073/pnas.1702482114
Proceedings of the National Academy of Sciences 2019-07-23
2016 John W. Davey, Mathieu Chouteau, Sarah L. Barker, Luana Maroja, Simon W. Baxter, Fraser Simpson, Richard M. Merrill, Mathieu Joron, James Mallet, Kanchon K. Dasmahapatra, and Chris D. Jiggins
Major Improvements to the Heliconius melpomene Genome Assembly Used to Confirm 10 Chromosome Fusion Events in 6 Million Years of Butterfly Evolution
published pages: 695–708., ISSN: 2160-1836, DOI: 10.1534/g3.115.023655
G3: Genes|Genomes|Genetics Mar; 6(3) 2019-07-23
2016 Mathieu Chouteau, Mónica Arias, Mathieu Joron
Warning signals are under positive frequency-dependent selection in nature
published pages: 2164-2169, ISSN: 0027-8424, DOI: 10.1073/pnas.1519216113
Proceedings of the National Academy of Sciences 113/8 2019-07-23
2016 M?nica Arias, Yann le Poul, Mathieu Chouteau, Romain Boisseau, Neil Rosser, Marc Th?ry, Violaine Llaurens
Crossing fitness valleys: empirical estimation of a fitness landscape associated with polymorphic mimicry
published pages: 20160391, ISSN: 0962-8452, DOI: 10.1098/rspb.2016.0391
Proceedings of the Royal Society B: Biological Sciences 283/1829 2019-07-23
2016 Florence Piron Prunier, Mathieu Chouteau, Annabel Whibley, Mathieu Joron, Violaine Llaurens
Selection of Valid Reference Genes for Reverse Transcription Quantitative PCR Analysis in Heliconius numata (Lepidoptera: Nymphalidae)
published pages: 50, ISSN: 1536-2442, DOI: 10.1093/jisesa/iew034
Journal of Insect Science 16/1 2019-07-23

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