ArticlePloS one2017
Contribution of both positive selection and relaxation of selective constraints to degeneration of flyability during geese domestication.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 11 citations in OpenAlex.
- Evolutionary Balancing of Genetic Consequence and Innovation in Mammals Through Variable Number Tandem Repeats.Genome biology and evolution · 2026Review
- Genomic Analyses of Unveil Helmeted Guinea Fowl (Numida meleagris) Domestication in West Africa.Genome biology and evolution · 2021Article
- Flight Muscle and Wing Mechanical Properties are Involved in Flightlessness of the Domestic Silkmoth,Insects · 2020Article
- Single nucleotide mapping of trait space reveals Pareto fronts that constrain adaptation.Nature ecology & evolution · 2019Article
- Maladaptation in feral and domesticated animals.Evolutionary applications · 2019Review
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Authors and funding
9 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Flyability is the most discrepant trait between modern-day geese and their wild ancestors, and the degeneration of flyability is a key marker of the successful domestication of wild geese. In light of the relatively short history of domestic geese, intense artificial selection is thought to play an important role in the degeneration of flyability. However, the underlying mechanism behind this phenomenon has seldom been investigated. In this study, we applied a molecular evolutionary approach to the evaluation of partial breeds of domestic geese in order to look for genes involved in the selection pressure toward degeneration of flyability. The haplotype networks, pairwise fixation index (FST) values, and analysis of molecular variance results all clearly illustrated a population variance between Landes geese and partial Chinese domestic geese. We also detected signatures of positive artificial selection in the COX2 and COX3 genes, and related selection in the HBB gene. Our results support the independent origins of partial European domestic geese and Chinese domestic geese. In addition, both positive artificial selection and the relaxation of functional constraints appeared to play important roles in the degeneration of flyability in domestic geese.
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