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The effect of the 7R allele at the DRD4 locus on risk tolerance is independent of background risk in Senegalese fishermen

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Listed:
  • Gwen-Jirō Clochard

    (CREST - Centre de Recherche en Économie et Statistique - ENSAI - Ecole Nationale de la Statistique et de l'Analyse de l'Information [Bruz] - X - École polytechnique - IP Paris - Institut Polytechnique de Paris - ENSAE Paris - École Nationale de la Statistique et de l'Administration Économique - CNRS - Centre National de la Recherche Scientifique, University of Chicago)

  • Aby Mbengue

    (UGB - Université Gaston Berger de Saint-Louis Sénégal)

  • Clément Mettling

    (IGH - Institut de génétique humaine - CNRS - Centre National de la Recherche Scientifique - UM - Université de Montpellier, UMR ISEM - Institut des Sciences de l'Evolution de Montpellier - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EPHE - École Pratique des Hautes Études - PSL - Université Paris Sciences et Lettres - Institut de recherche pour le développement [IRD] : UR226 - CNRS - Centre National de la Recherche Scientifique - UM - Université de Montpellier)

  • Birane Diouf

    (UGB - Université Gaston Berger de Saint-Louis Sénégal)

  • Charlotte Faurie

    (UMR ISEM - Institut des Sciences de l'Evolution de Montpellier - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EPHE - École Pratique des Hautes Études - PSL - Université Paris Sciences et Lettres - Institut de recherche pour le développement [IRD] : UR226 - CNRS - Centre National de la Recherche Scientifique - UM - Université de Montpellier)

  • Omar Sene

    (UADB - Université Alioune Diop de Bambey)

  • Emilie Chancerel

    (BioGeCo - Biodiversité, Gènes & Communautés - UB - Université de Bordeaux - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Erwan Guichoux

    (BioGeCo - Biodiversité, Gènes & Communautés - UB - Université de Bordeaux - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Guillaume Hollard

    (CREST - Centre de Recherche en Économie et Statistique - ENSAI - Ecole Nationale de la Statistique et de l'Analyse de l'Information [Bruz] - X - École polytechnique - IP Paris - Institut Polytechnique de Paris - ENSAE Paris - École Nationale de la Statistique et de l'Administration Économique - CNRS - Centre National de la Recherche Scientifique)

  • Michel Raymond

    (UMR ISEM - Institut des Sciences de l'Evolution de Montpellier - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EPHE - École Pratique des Hautes Études - PSL - Université Paris Sciences et Lettres - Institut de recherche pour le développement [IRD] : UR226 - CNRS - Centre National de la Recherche Scientifique - UM - Université de Montpellier)

  • Marc Willinger

    (CEE-M - Centre d'Economie de l'Environnement - Montpellier - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement - Institut Agro Montpellier - Institut Agro - Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement - UM - Université de Montpellier)

Abstract

It has been shown that living in risky environments, as well as having a risky occupation, can moderate risk-tolerance. Despite the involvement of dopamine in the expectation of reward described by neurobiologists, a GWAS study was not able to demonstrate a genetic contribution of genes involved in the dopaminergic pathway in risk attitudes and gene candidate studies gave contrasting results. We test the possibility that a genetic effect of the DRD4-7R allele in risk-taking behavior could be modulated by environmental factors. We show that the increase in risk-tolerance due to the 7R allele is independent of the environmental risk in two populations in Northern Senegal, one of which is exposed to a very high risk due to dangerous fishing.

Suggested Citation

  • Gwen-Jirō Clochard & Aby Mbengue & Clément Mettling & Birane Diouf & Charlotte Faurie & Omar Sene & Emilie Chancerel & Erwan Guichoux & Guillaume Hollard & Michel Raymond & Marc Willinger, 2023. "The effect of the 7R allele at the DRD4 locus on risk tolerance is independent of background risk in Senegalese fishermen," Post-Print hal-03954770, HAL.
    • Handle: RePEc:hal:journl:hal-03954770
    DOI: 10.1038/s41598-022-27002-3
    Note: View the original document on HAL open archive server: https://hal.science/hal-03954770
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    References listed on IDEAS

    as
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    Keywords

    Local adaptation; dopamine receptor; population genetics; economic games; behaviour;
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