The genetic and molecular architecture of phenotypic diversity in sticklebacks

Peichel, Catherine; Marques, David Alexander (2017). The genetic and molecular architecture of phenotypic diversity in sticklebacks. Philosophical transactions of the Royal Society. Series B - biological sciences, 372(1713) Royal Society of London 10.1098/rstb.2015.0486

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A major goal of evolutionary biology is to identify the genotypes and phenotypes that underlie adaptation to divergent environments. Stickleback fish, including the threespine stickleback (Gasterosteus aculeatus) and the ninespine stickleback (Pungitius pungitius), have been at the forefront of research to uncover the genetic and molecular architecture that underlies phenotypic diversity and adaptation. A wealth of quantitative trait locus (QTL) mapping studies in sticklebacks have provided insight into longstanding questions about the distribution of effect sizes during adaptation as well as the role of genetic linkage in facilitating adaptation. These QTL mapping studies have also provided a basis for the identification of the genes that underlie phenotypic diversity. These data have revealed that mutations in regulatory elements play an important role in the evolution of phenotypic diversity in sticklebacks. Genetic and molecular studies in sticklebacks have also led to new insights on the genetic basis of repeated evolution and suggest that the same loci are involved about half of the time when the same phenotypes evolve independently. When the same locus is involved, selection on standing variation and repeated mutation of the same genes have both contributed to the evolution of similar phenotypes in independent populations. This article is part of the themed issue ‘Evo-devo in the genomics era, and the origins of morphological diversity’.

Item Type:

Journal Article (Review Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE) > Aquatic Ecology
08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE) > Evolutionary Ecology
08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE)

UniBE Contributor:

Peichel, Catherine and Marques, David Alexander

Subjects:

500 Science > 570 Life sciences; biology

ISSN:

0962-8436

Publisher:

Royal Society of London

Language:

English

Submitter:

Marcel Häsler

Date Deposited:

15 Feb 2017 14:39

Last Modified:

13 Mar 2018 09:59

Publisher DOI:

10.1098/rstb.2015.0486

PubMed ID:

27994127

BORIS DOI:

10.7892/boris.92121

URI:

https://boris.unibe.ch/id/eprint/92121

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