Opposites attract: MHC‐associated mate choice in a polygynous primate
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Evolutionary biology study of MHC-associated mate choice in mandrills; the object is animal reproduction.
This study examines mate choice and genetics in mandrills, not research practice.
Evolutionary biology of MHC-associated mate choice in mandrills.
Résumé
We investigated reproduction in a semi-free-ranging population of a polygynous primate, the mandrill, in relation to genetic relatedness and male genetic characteristics, using neutral microsatellite and major histocompatibility complex (MHC) genotyping. We compared genetic dissimilarity to the mother and genetic characteristics of the sire with all other potential sires present at the conception of each offspring (193 offspring for microsatellite genetics, 180 for MHC). The probability that a given male sired increased as pedigree relatedness with the mother decreased, and overall genetic dissimilarity and MHC dissimilarity with the mother increased. Reproductive success also increased with male microsatellite heterozygosity and MHC diversity. These effects were apparent despite the strong influence of dominance rank on male reproductive success. The closed nature of our study population is comparable to human populations for which MHC-associated mate choice has been reported, suggesting that such mate choice may be especially important in relatively isolated populations with little migration to introduce genetic variation.
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La notice
- Revue
- Journal of Evolutionary Biology
- Thématique
- Animal Behavior and Reproduction
- Domaine
- Agricultural and Biological Sciences
- Établissements canadiens
- —
- Organismes subventionnaires
- Lawrence Berkeley National LaboratorySmithsonian Astrophysical ObservatoryMax-Planck-Institut für AstronomieStockholms UniversitetTurun YliopistoPlanetary Science DivisionScience Mission DirectorateHáskóli ÍslandsUniversitetet i OsloNational Central UniversitySpace Telescope Science InstituteQueen's UniversityJohns Hopkins UniversityQueen's University BelfastNational Aeronautics and Space AdministrationEötvös Loránd TudományegyetemAarhus UniversitetDurham UniversitySmithsonian InstitutionNational Science Foundation
- Mots-clés
- BiologyMate choiceMicrosatelliteMajor histocompatibility complexEvolutionary biologyInbreedingGeneticsPopulationOffspringSexual selectionPolygynyInbreeding avoidanceSireZoologyAlleleMatingDemographyGene
- Résumé présent dans OpenAlex
- oui