Shaun Robertson
Eda haplotypes in three-spined stickleback are associated with variation in immune gene expression
Robertson, Shaun; Bradley, Janette E.; MacColl, Andrew D.C.
Authors
Janette E. Bradley
Professor ANDREW MACCOLL ANDREW.MACCOLL@NOTTINGHAM.AC.UK
PROFESSOR OF EVOLUTIONARY ECOLOGY
Abstract
Haplotypes underlying local adaptation and speciation are predicted to have numerous phenotypic effects, but few genes involved have been identified, with much work to date concentrating on visible, morphological, phenotypes. The link between genes controlling these adaptive morphological phenotypes and the immune system has seldom been investigated, even though changes in the immune system could have profound adaptive consequences. The Eda gene in three-spined stickleback is one of the best studied major adaptation genes; it directly controls bony plate architecture and has been associated with additional aspects of adaptation to freshwater. Here, we exposed F2 hybrids, used to separate Eda genotype from genetic background, to contrasting conditions in semi-natural enclosures. We demonstrate an association between the Eda haplotype block and the expression pattern of key immune system genes. Furthermore, low plated fish grew less and experienced higher burdens of a common ectoparasite with fitness consequences. Little is currently known about the role of the immune system in facilitating adaptation to novel environments, but this study provides an indication of its potential importance.
Citation
Robertson, S., Bradley, J. E., & MacColl, A. D. (in press). Eda haplotypes in three-spined stickleback are associated with variation in immune gene expression. Scientific Reports, 7, https://doi.org/10.1038/srep42677
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 13, 2017 |
Online Publication Date | Feb 14, 2017 |
Deposit Date | Jan 17, 2017 |
Publicly Available Date | Feb 17, 2017 |
Journal | Scientific Reports |
Electronic ISSN | 2045-2322 |
Publisher | Nature Publishing Group |
Peer Reviewed | Peer Reviewed |
Volume | 7 |
DOI | https://doi.org/10.1038/srep42677 |
Public URL | https://nottingham-repository.worktribe.com/output/845911 |
Publisher URL | http://www.nature.com/articles/srep42677 |
Contract Date | Jan 17, 2017 |
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0
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