Association Mapping Based on a Common-Garden Migration Experiment Reveals Candidate Genes for Migration Tendency in Brown Trout
Lemopoulos, A., Uusi-Heikkilä, S., Hyvärinen, P., Alioravainen, N., Prokkola, J. M., Elvidge, C. K., Vasemägi, A., & Vainikka, A. (2019). Association Mapping Based on a Common-Garden Migration Experiment Reveals Candidate Genes for Migration Tendency in Brown Trout. G3: Genes, Genomes, Genetics, 9(8), 2887-2896. https://doi.org/10.1534/g3.119.400369
Published in
G3: Genes, Genomes, GeneticsAuthors
Date
2019Copyright
© 2019 The Authors
A better understanding of the environmental and genetic contribution to migratory behavior and the evolution of traits linked to migration is crucial for fish conservation and fisheries management. Up to date, a few genes with unequivocal influence on the adoption of alternative migration strategies have been identified in salmonids. Here, we used a common garden set-up to measure individual migration distances of generally highly polymorphic brown trout Salmo trutta from two populations. Fish from the assumedly resident population showed clearly shorter migration distances than the fish from the assumed migratory population at the ages of 2 and 3 years. By using two alternative analytical pipelines with 22186 and 18264 SNPs obtained through RAD-sequencing, we searched for associations between individual migration distance, and both called genotypes and genotype probabilities. None of the SNPs showed statistically significant individual effects on migration after correction for multiple testing. By choosing a less stringent threshold, defined as an overlap of the top 0.1% SNPs identified by the analytical pipelines, GAPIT and Angsd, we identified eight candidate genes that are potentially linked to individual migration distance. While our results demonstrate large individual and population level differences in migration distances, the detected genetic associations were weak suggesting that migration traits likely have multigenic control.
...
Publisher
Genetics Society of AmericaISSN Search the Publication Forum
2160-1836Keywords
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/32150213
Metadata
Show full item recordCollections
License
Related items
Showing items with similar title or keywords.
-
Comparison of migratory and resident populations of brown trout reveals candidate genes for migration tendency
Lemopoulos, Alexandre; Uusi-Heikkilä, Silva; Huusko, Ari; Vasemägi, Anti; Vainikka, Anssi (Oxford University Press; Society for Molecular Biology and Evolution, 2018)Candidate genes associated with migration have been identified in multiple taxa: including salmonids, many of whom perform migrations requiring a series of physiological changes associated with the freshwater–saltwater ... -
Migration strategies of brown trout (Salmo trutta) in a subarctic river system as revealed by stable isotope analysis
Ruokonen, Timo; Kiljunen, Mikko; Erkinaro, Jaakko; Orell, Panu; Sivonen, Olli; Vestola, Eero; Jones, Roger (Wiley-Blackwell Publishing, Inc., 2019)We estimated the proportions of anadromous and freshwater‐resident brown trout (Salmo trutta) in different parts of the subarctic River Näätämöjoki/Neidenelva system (Finland and Norway) using carbon, nitrogen and hydrogen ... -
Comparing RADseq and microsatellites for estimating genetic diversity and relatedness : Implications for brown trout conservation
Lemopoulos, Alexandre; Prokkola, Jenni M.; Uusi-Heikkilä, Silva; Vasemägi, Anti; Huusko, Ari; Hyvärinen, Pekka; Koljonen, Marja-Liisa; Koskiniemi, Jarmo; Vainikka, Anssi (John Wiley & Sons Ltd., 2019)The conservation and management of endangered species requires information on their genetic diversity, relatedness and population structure. The main genetic markers applied for these questions are microsatellites and ... -
Frequency and Density-Dependent Selection on Life-History Strategies - A Field Experiment
Mappes, Tapio; Koivula, Minna; Koskela, Esa; Oksanen, Tuula A.; Savolainen, Tiina; Sinervo, Barry (Public Library of Science, 2008)Negative frequency-dependence, which favors rare genotypes, promotes the maintenance of genetic variability and is of interest as a potential explanation for genetic differentiation. Density-dependent selection may also ... -
Sustaining high-value salmonid populations in regulated rivers : Insights from individual-based modelling of brown trout and Atlantic salmon
Hajiesmaeili, Mahboobeh; Addo, Louis; Watz, Johan; Norrgård, Johnny; Railsback, Steven F.; Syrjänen, Jukka; Blixt, Marco; Piccolo, John J. (Elsevier BV, 2024)To combat climate change, societal pressure to develop fossil-free hydroelectricity is growing. There is a great need, however, for environmental assessment tools that can predict the effects of streamflow regulation on ...