Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects
Studies in a multitude of taxa have described a correlation between heterozygosity and fitness, and usually conclude that this is evidence for inbreeding depression. Here we have used multi-locus heterozygosity estimates from 15 microsatellite markers to show evidence of heterozygosity-fitness corre...
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ftdryad:oai:v1.datadryad.org:10255/dryad.34736 2023-05-15T15:46:32+02:00 Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects Harrison, Xavier A. Bearhop, Stuart Inger, Richard Colhoun, Kendrew Gudmundsson, Gudmundur A. Hodgson, David McElwaine, Graham Tregenza, Tom Ireland Iceland 2011-08-17T16:34:43Z http://hdl.handle.net/10255/dryad.34736 https://doi.org/10.5061/dryad.52dk8 unknown doi:10.5061/dryad.52dk8/1 doi:10.1111/j.1365-294X.2011.05283.x PMID:21973192 doi:10.5061/dryad.52dk8 Harrison XA, Bearhop S, Inger R, Colhoun K, Gudmundsson GA, Hodgson D, McElwaine G, Tregenza T (2011) Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects. Molecular Ecology 20(22): 4786-4795. http://hdl.handle.net/10255/dryad.34736 Inbreeding Ecological Genetics internal relatedness MCMCglmm Article 2011 ftdryad https://doi.org/10.5061/dryad.52dk8 https://doi.org/10.5061/dryad.52dk8/1 https://doi.org/10.1111/j.1365-294X.2011.05283.x 2020-01-01T14:54:14Z Studies in a multitude of taxa have described a correlation between heterozygosity and fitness, and usually conclude that this is evidence for inbreeding depression. Here we have used multi-locus heterozygosity estimates from 15 microsatellite markers to show evidence of heterozygosity-fitness correlations (HFCs) in a long-distance migratory bird, the light-bellied Brent goose. We found significant, positive heterozygosity-heterozygosity correlations between random subsets of the markers we employ, and no evidence that a model containing all loci as individual predictors in a multiple regression explained significantly more variation than a model with multi-locus heterozygosity as a single predictor. Collectively these results lend support to the hypothesis that the HFCs we have observed are a function of inbreeding depression. However, we do find that fitness correlations are only detectable in years where population-level productivity is high enough for the reproductive asymmetry between high and low heterozygosity individuals to become apparent. We suggest that lack of evidence of heterozygosity-fitness correlations in animal systems may be because heterozygosity is a poor proxy measure of inbreeding, especially when employing low numbers of markers, but alternatively because the asymmetries between individuals of different heterozygosities may only be apparent when environmental effects on fitness are less pronounced. Article in Journal/Newspaper Brent goose Iceland Dryad Digital Repository (Duke University) |
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Open Polar |
collection |
Dryad Digital Repository (Duke University) |
op_collection_id |
ftdryad |
language |
unknown |
topic |
Inbreeding Ecological Genetics internal relatedness MCMCglmm |
spellingShingle |
Inbreeding Ecological Genetics internal relatedness MCMCglmm Harrison, Xavier A. Bearhop, Stuart Inger, Richard Colhoun, Kendrew Gudmundsson, Gudmundur A. Hodgson, David McElwaine, Graham Tregenza, Tom Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects |
topic_facet |
Inbreeding Ecological Genetics internal relatedness MCMCglmm |
description |
Studies in a multitude of taxa have described a correlation between heterozygosity and fitness, and usually conclude that this is evidence for inbreeding depression. Here we have used multi-locus heterozygosity estimates from 15 microsatellite markers to show evidence of heterozygosity-fitness correlations (HFCs) in a long-distance migratory bird, the light-bellied Brent goose. We found significant, positive heterozygosity-heterozygosity correlations between random subsets of the markers we employ, and no evidence that a model containing all loci as individual predictors in a multiple regression explained significantly more variation than a model with multi-locus heterozygosity as a single predictor. Collectively these results lend support to the hypothesis that the HFCs we have observed are a function of inbreeding depression. However, we do find that fitness correlations are only detectable in years where population-level productivity is high enough for the reproductive asymmetry between high and low heterozygosity individuals to become apparent. We suggest that lack of evidence of heterozygosity-fitness correlations in animal systems may be because heterozygosity is a poor proxy measure of inbreeding, especially when employing low numbers of markers, but alternatively because the asymmetries between individuals of different heterozygosities may only be apparent when environmental effects on fitness are less pronounced. |
format |
Article in Journal/Newspaper |
author |
Harrison, Xavier A. Bearhop, Stuart Inger, Richard Colhoun, Kendrew Gudmundsson, Gudmundur A. Hodgson, David McElwaine, Graham Tregenza, Tom |
author_facet |
Harrison, Xavier A. Bearhop, Stuart Inger, Richard Colhoun, Kendrew Gudmundsson, Gudmundur A. Hodgson, David McElwaine, Graham Tregenza, Tom |
author_sort |
Harrison, Xavier A. |
title |
Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects |
title_short |
Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects |
title_full |
Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects |
title_fullStr |
Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects |
title_full_unstemmed |
Data from: Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects |
title_sort |
data from: heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects |
publishDate |
2011 |
url |
http://hdl.handle.net/10255/dryad.34736 https://doi.org/10.5061/dryad.52dk8 |
op_coverage |
Ireland Iceland |
genre |
Brent goose Iceland |
genre_facet |
Brent goose Iceland |
op_relation |
doi:10.5061/dryad.52dk8/1 doi:10.1111/j.1365-294X.2011.05283.x PMID:21973192 doi:10.5061/dryad.52dk8 Harrison XA, Bearhop S, Inger R, Colhoun K, Gudmundsson GA, Hodgson D, McElwaine G, Tregenza T (2011) Heterozygosity-fitness correlations in a migratory bird: an analysis of inbreeding and single-locus effects. Molecular Ecology 20(22): 4786-4795. http://hdl.handle.net/10255/dryad.34736 |
op_doi |
https://doi.org/10.5061/dryad.52dk8 https://doi.org/10.5061/dryad.52dk8/1 https://doi.org/10.1111/j.1365-294X.2011.05283.x |
_version_ |
1766381215679512576 |