Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped
Individuals are unique in how they interact with and respond to their environment. Correspondingly, unpredictable challenges or environmental stressors often produce an individualized response of the hypothalamic-pituitary-adrenal (HPA) axis and its downstream effector cortisol. We used a fully cros...
Published in: | Ecology and Evolution |
---|---|
Main Authors: | , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2022
|
Subjects: | |
Online Access: | http://nora.nerc.ac.uk/id/eprint/532331/ https://nora.nerc.ac.uk/id/eprint/532331/1/Ecology%20and%20Evolution%20-%202022%20-%20Nagel%20-%20Low%20heritability%20and%20high%20phenotypic%20plasticity%20of%20salivary%20cortisol%20in%20response%20to.pdf https://onlinelibrary.wiley.com/doi/10.1002/ece3.8757 |
id |
ftnerc:oai:nora.nerc.ac.uk:532331 |
---|---|
record_format |
openpolar |
spelling |
ftnerc:oai:nora.nerc.ac.uk:532331 2023-05-15T13:41:46+02:00 Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped Nagel, Rebecca Kaiser, Sylvia Stainfield, Claire Toscani, Camille Fox-Clarke, Cameron Paijmans, Anneke J. Costa Castro, Camila Vendrami, David L. J. Forcada, Jaume Hoffman, Joseph I. 2022-03-26 text http://nora.nerc.ac.uk/id/eprint/532331/ https://nora.nerc.ac.uk/id/eprint/532331/1/Ecology%20and%20Evolution%20-%202022%20-%20Nagel%20-%20Low%20heritability%20and%20high%20phenotypic%20plasticity%20of%20salivary%20cortisol%20in%20response%20to.pdf https://onlinelibrary.wiley.com/doi/10.1002/ece3.8757 en eng Wiley https://nora.nerc.ac.uk/id/eprint/532331/1/Ecology%20and%20Evolution%20-%202022%20-%20Nagel%20-%20Low%20heritability%20and%20high%20phenotypic%20plasticity%20of%20salivary%20cortisol%20in%20response%20to.pdf Nagel, Rebecca; Kaiser, Sylvia; Stainfield, Claire; Toscani, Camille; Fox-Clarke, Cameron; Paijmans, Anneke J.; Costa Castro, Camila; Vendrami, David L. J.; Forcada, Jaume orcid:0000-0002-2115-0150 Hoffman, Joseph I. orcid:0000-0001-5895-8949 . 2022 Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped. Ecology and Evolution, 12 (3), e8757. 13, pp. https://doi.org/10.1002/ece3.8757 <https://doi.org/10.1002/ece3.8757> cc_by_4 CC-BY Publication - Article PeerReviewed 2022 ftnerc https://doi.org/10.1002/ece3.8757 2023-02-04T19:53:07Z Individuals are unique in how they interact with and respond to their environment. Correspondingly, unpredictable challenges or environmental stressors often produce an individualized response of the hypothalamic-pituitary-adrenal (HPA) axis and its downstream effector cortisol. We used a fully crossed, repeated measures design to investigate the factors shaping individual variation in baseline cortisol in Antarctic fur seal pups and their mothers. Saliva samples were collected from focal individuals at two breeding colonies, one with low and the other with high density, during two consecutive years of contrasting food availability. Mothers and pups were sampled concurrently at birth and shortly before weaning, while pups were additionally sampled every 20 days. We found that heritability was low for baseline cortisol, while within-individual repeatability and among-individual variability were high. A substantial proportion of the variation in baseline cortisol could be explained in pups and mothers by a combination of intrinsic and extrinsic factors including sex, weight, day, season, and colony of birth. Our findings provide detailed insights into the individualization of endocrine phenotypes and their genetic and environmental drivers in a wild pinniped. Furthermore, the strong associations between cortisol and life history traits that we report in fur seals could have important implications for understanding the population dynamics of species impacted by environmental change. Article in Journal/Newspaper Antarc* Antarctic Antarctic Fur Seal Natural Environment Research Council: NERC Open Research Archive Antarctic Ecology and Evolution 12 3 |
institution |
Open Polar |
collection |
Natural Environment Research Council: NERC Open Research Archive |
op_collection_id |
ftnerc |
language |
English |
description |
Individuals are unique in how they interact with and respond to their environment. Correspondingly, unpredictable challenges or environmental stressors often produce an individualized response of the hypothalamic-pituitary-adrenal (HPA) axis and its downstream effector cortisol. We used a fully crossed, repeated measures design to investigate the factors shaping individual variation in baseline cortisol in Antarctic fur seal pups and their mothers. Saliva samples were collected from focal individuals at two breeding colonies, one with low and the other with high density, during two consecutive years of contrasting food availability. Mothers and pups were sampled concurrently at birth and shortly before weaning, while pups were additionally sampled every 20 days. We found that heritability was low for baseline cortisol, while within-individual repeatability and among-individual variability were high. A substantial proportion of the variation in baseline cortisol could be explained in pups and mothers by a combination of intrinsic and extrinsic factors including sex, weight, day, season, and colony of birth. Our findings provide detailed insights into the individualization of endocrine phenotypes and their genetic and environmental drivers in a wild pinniped. Furthermore, the strong associations between cortisol and life history traits that we report in fur seals could have important implications for understanding the population dynamics of species impacted by environmental change. |
format |
Article in Journal/Newspaper |
author |
Nagel, Rebecca Kaiser, Sylvia Stainfield, Claire Toscani, Camille Fox-Clarke, Cameron Paijmans, Anneke J. Costa Castro, Camila Vendrami, David L. J. Forcada, Jaume Hoffman, Joseph I. |
spellingShingle |
Nagel, Rebecca Kaiser, Sylvia Stainfield, Claire Toscani, Camille Fox-Clarke, Cameron Paijmans, Anneke J. Costa Castro, Camila Vendrami, David L. J. Forcada, Jaume Hoffman, Joseph I. Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped |
author_facet |
Nagel, Rebecca Kaiser, Sylvia Stainfield, Claire Toscani, Camille Fox-Clarke, Cameron Paijmans, Anneke J. Costa Castro, Camila Vendrami, David L. J. Forcada, Jaume Hoffman, Joseph I. |
author_sort |
Nagel, Rebecca |
title |
Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped |
title_short |
Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped |
title_full |
Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped |
title_fullStr |
Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped |
title_full_unstemmed |
Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped |
title_sort |
low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped |
publisher |
Wiley |
publishDate |
2022 |
url |
http://nora.nerc.ac.uk/id/eprint/532331/ https://nora.nerc.ac.uk/id/eprint/532331/1/Ecology%20and%20Evolution%20-%202022%20-%20Nagel%20-%20Low%20heritability%20and%20high%20phenotypic%20plasticity%20of%20salivary%20cortisol%20in%20response%20to.pdf https://onlinelibrary.wiley.com/doi/10.1002/ece3.8757 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Antarctic Fur Seal |
genre_facet |
Antarc* Antarctic Antarctic Fur Seal |
op_relation |
https://nora.nerc.ac.uk/id/eprint/532331/1/Ecology%20and%20Evolution%20-%202022%20-%20Nagel%20-%20Low%20heritability%20and%20high%20phenotypic%20plasticity%20of%20salivary%20cortisol%20in%20response%20to.pdf Nagel, Rebecca; Kaiser, Sylvia; Stainfield, Claire; Toscani, Camille; Fox-Clarke, Cameron; Paijmans, Anneke J.; Costa Castro, Camila; Vendrami, David L. J.; Forcada, Jaume orcid:0000-0002-2115-0150 Hoffman, Joseph I. orcid:0000-0001-5895-8949 . 2022 Low heritability and high phenotypic plasticity of salivary cortisol in response to environmental heterogeneity in a wild pinniped. Ecology and Evolution, 12 (3), e8757. 13, pp. https://doi.org/10.1002/ece3.8757 <https://doi.org/10.1002/ece3.8757> |
op_rights |
cc_by_4 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1002/ece3.8757 |
container_title |
Ecology and Evolution |
container_volume |
12 |
container_issue |
3 |
_version_ |
1766157834890772480 |