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Estimating heritability in honeybees: comparison of three major methods based on empirical and simulated datasets.
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  • Hélène Jourdan-Pineau,
  • Gaëlle Antoine,
  • Julien Galataud,
  • Hélène DELATTE,
  • Christophe Simiand,
  • Johanna Clémencet
Hélène Jourdan-Pineau
CIRAD Biological Systems Department

Corresponding Author:[email protected]

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Gaëlle Antoine
CIRAD Département Systèmes biologiques
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Julien Galataud
Université de la Réunion Faculté des Sciences et Technologies
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CIRAD Département Systèmes biologiques
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Christophe Simiand
CIRAD Departement Systemes biologiques
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Johanna Clémencet
Université de la Réunion UFR Sciences de l'Homme et de l'Environnement
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The level of the genetic contribution to phenotypic variation (namely the heritability) determines the response to selection. In honeybee, the haplodiploid sex determination does not allow the straightforward use of classical quantitative genetics methods to estimate heritability and genetic correlation. Nevertheless, specific methods have been developed for about 40 years. In particular, sib-analyses are frequently used with three main methods: an historical model using the average colony relatedness, a half-sibs/full-sibs model and the more recent animal model. We compared those three methods using experimental and simulated datasets to see which performs the best. Our experimental dataset is composed of 10 colonies with 853 workers in total. All individuals were genotyped to reconstitute the pedigree, and phenotypic traits were measured: the proboscis- and wing-associated lengths. We also simulated phenotypic datasets with varying levels of heritability, common environmental effect and genetic correlation between traits. The simulation approach showed that the average colony relatedness was highly biased in presence of common environmental effect whereas the half-sibs/full-sibs and the animal model gave reliable estimates of heritability. The animal model provided the greatest precision in genetic correlations. Using this latter method, we found that wing-related traits had high heritabilities, allowing the use of those morphometric characters to discriminate between populations. On the contrary, the palpus length (associated to proboscis) was more sensitive to environmental factors. Finally, significant genetic correlations among measured traits indicate that they do not evolve independently.
09 Jun 2020Submitted to Ecology and Evolution
15 Jun 2020Submission Checks Completed
15 Jun 2020Assigned to Editor
15 Jun 2020Reviewer(s) Assigned
24 Jul 2020Review(s) Completed, Editorial Evaluation Pending
25 Aug 2020Editorial Decision: Revise Minor
02 Nov 20201st Revision Received
03 Nov 2020Submission Checks Completed
03 Nov 2020Assigned to Editor
03 Nov 2020Review(s) Completed, Editorial Evaluation Pending
04 Nov 2020Reviewer(s) Assigned
04 Dec 2020Editorial Decision: Revise Minor
04 Feb 20212nd Revision Received
05 Feb 2021Submission Checks Completed
05 Feb 2021Assigned to Editor
05 Feb 2021Review(s) Completed, Editorial Evaluation Pending
08 Feb 2021Editorial Decision: Accept