ArticleG3 (Bethesda, Md.)2015
Quantitative genetics of migration-related traits in rainbow and steelhead trout.
Article in G3 (Bethesda, Md.), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Whole-Genome Resequencing Reveals Polygenic Signatures of Directional and Balancing Selection on Alternative Migratory Life Histories.Molecular ecology · 2024Article
- Genotype But Not Body Shape Predicts River Migration Success in Atlantic Salmon.Ecology and evolution · 2024Article
- Adaptation in landlocked Atlantic salmon links genetics in wild and farmed salmon to smoltification.BMC genomic data · 2024Article
- Selection among critically endangered landlocked salmon (Evolutionary applications · 2024Article
- Sex-specific heritabilities for length at maturity among Pacific salmonids and their consequences for evolution in response to artificial selection.Evolutionary applications · 2023Article
- Comparative genomics of rainbow trout (Ecology and evolution · 2023Article
- Re-evaluating Coho salmon (Evolutionary applications · 2022Article
- Alternative migratory tactics in brown trout (Ecology and evolution · 2021Article
- Monarch Butterfly Migration Moving into the Genetic Era.Trends in genetics : TIG · 2020Review
- Genetic growth potential, rather than phenotypic size, predicts migration phenotype in Atlantic salmon.Proceedings. Biological sciences · 2020Article
- Anadromy, potamodromy and residency in brown trout Salmo trutta: the role of genes and the environment.Journal of fish biology · 2019Review
- A large-scale chromosomal inversion is not associated with life history development in rainbow trout from Southeast Alaska.PloS one · 2019Article
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- Evolutionary restoration potential evaluated through the use of a trait-linked genetic marker.Evolutionary applications · 2017Article
- Genomic signatures amongEvolutionary applications · 2016Article
- Migration-related phenotypic divergence is associated with epigenetic modifications in rainbow trout.Molecular ecology · 2016Article
Corrections and comments
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Rainbow trout (Oncorhynchus mykiss) exhibit remarkable life history diversity throughout their native range, and among the most evident is variation in migratory propensity. Although some populations and ecotypes will remain resident in freshwater habitats throughout their life history, others have the ability to undertake tremendous marine migrations. Those that migrate undergo a suite of behavioral, morphological, and physiological adaptations in a process called smoltification. We describe a quantitative genetic analysis of 22 growth, size, and morphological traits in addition to overall life history classification (resident or migrant) over the temporal process of smoltification in a large multi-generation experimental pedigree (n = 16,139) of migratory and resident rainbow trout derived from a wild population, which naturally segregates for migratory propensity. We identify significant additive genetic variance and covariance among the suite of traits that make up a component of the migratory syndrome in this species. Additionally, we identify high heritability estimates for the life history classifications and observe a strong negative genetic correlation between the migratory and resident life history trajectories. Given the large heritability estimates of all of the traits that segregate between migratory and resident rainbow trout, we conclude that these traits can respond to selection. However, given the high degree of genetic correlation between these traits, they do not evolve in isolation, but rather as a suite of coordinated characters in a predictable manner.
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