ArticleG3 (Bethesda, Md.)2013
Strain specific genotype-environment interactions and evolutionary potential for body mass in brook charr (Salvelinus fontinalis).
Article in G3 (Bethesda, Md.), 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Season-specific genetic variation underlies early-life migration in a partially migratory bird.Proceedings. Biological sciences · 2024Article
- Selection among critically endangered landlocked salmon (Evolutionary applications · 2024Article
- Transgenerational effects on body size and survival in Brook charr (Evolutionary applications · 2023Article
- Thermal regime during parental sexual maturation, but not during offspring rearing, modulates DNA methylation in brook charr (Proceedings. Biological sciences · 2022Article
- Density influences the heritability and genetic correlations of fish behaviour under trawling-associated selection.Evolutionary applications · 2021Article
- Past, present and future contributions of evolutionary biology to wildlife forensics, management and conservation.Evolutionary applications · 2020Article
- Predicting the genetic impact of stocking in Brook Charr (Evolutionary applications · 2018Article
- A physiological perspective on fisheries-induced evolution.Evolutionary applications · 2018Article
- Sex Chromosome Evolution, Heterochiasmy, and Physiological QTL in the Salmonid Brook CharrG3 (Bethesda, Md.) · 2017Article
- Genetically based population divergence in overwintering energy mobilization in brook charr (Salvelinus fontinalis).Genetica · 2013Article
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4 authors.
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Abstract
Discriminating between genetic and environmental causes of phenotypic variation is an essential requirement for understanding the evolutionary potential of populations. However, the extent to which genetic variation differs among conspecific groups and environments during ontogeny has rarely been investigated. In this study, the genetic basis of body mass was measured in three divergent strains of brook charr (Salvelinus fontinalis) in different rearing environments and at different time periods. The results indicate that body mass was a heritable trait in all strains but that the level of heritability greatly differed among strains. Moreover, heritability estimates of each strain varied differently according to environmental rearing conditions, and cross-environments correlations were all significantly lower than unity, indicating strain-specific patterns of genotype-environment interactions. Heritability estimates also varied throughout ontogeny and decreased by 50% from 9 to 21 months of age. This study highlights the divergence in genetic architecture and evolutionary potential among these strains and emphasizes the importance of considering the strain-specific potential of the response to selection according to environmental variation.
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