Adaptive and non-adaptive divergence in a common landscape
Raeymaekers, Joost A.M., Chaturvedi, Anurag, Hablützel, Pascal I., Verdonck, Io, Hellemans, Bart, Maes, Gregory, De Meester, Luc, and Volckaert, Filip A.M. (2017) Adaptive and non-adaptive divergence in a common landscape. Nature Communications, 8. 267.
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Abstract
Species in a common landscape often face similar selective environments. The capacity of organisms to adapt to these environments may be largely species specific. Quantifying shared and unique adaptive responses across species within landscapes may thus improve our understanding of landscape-moderated biodiversity patterns. Here we test to what extent populations of two coexisting and phylogenetically related fishes-three-spined and nine-spined stickleback-differ in the strength and nature of neutral and adaptive divergence along a salinity gradient. Phenotypic differentiation, neutral genetic differentiation and genomic signatures of adaptation are stronger in the three-spined stickleback. Yet, both species show substantial phenotypic parallelism. In contrast, genomic signatures of adaptation involve different genomic regions, and are thus non-parallel. The relative contribution of spatial and environmental drivers of population divergence in each species reflects different strategies for persistence in the same landscape. These results provide insight in the mechanisms underlying variation in evolutionary versatility and ecological success among species within landscapes.
| Item ID: | 50587 |
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| Item Type: | Article (Research - C1) |
| ISSN: | 2041-1723 |
| Additional Information: | This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. |
| Funders: | Research Foundation Flanders (FWO), University of Leuven (KUL), BELSPO-Interuniversity Attraction Poles, European Union (EU) |
| Projects and Grants: | FWO grant 1526712N, KUL Centre of Excellence PF/10/07, BELSPO project P7/04, EU Marie Sklodowska-Curie Fellowship IEF 300256 |
| Date Deposited: | 20 Sep 2017 10:13 |
| FoR Codes: | 31 BIOLOGICAL SCIENCES > 3105 Genetics > 310509 Genomics @ 50% 31 BIOLOGICAL SCIENCES > 3105 Genetics > 310599 Genetics not elsewhere classified @ 50% |
| SEO Codes: | 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960807 Fresh, Ground and Surface Water Flora, Fauna and Biodiversity @ 100% |
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