Reply to "Re-evaluating the evidence for facilitation of stickleback speciation by admixture in the Lake Constance basin"

Marques, David A.; Lucek, Kay; Sousa, Vitor C.; Excoffier, Laurent; Seehausen, Ole (2021). Reply to "Re-evaluating the evidence for facilitation of stickleback speciation by admixture in the Lake Constance basin". Nature Communications, 12(1), p. 2807. Springer Nature 10.1038/s41467-021-23096-x

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A Matters Arising article1 raised concerns about the interpretation of our findings reported in our recent publication on admixture-facilitated ecological speciation in Lake Constance stickleback. After careful consideration of the criticism, including additional analyses testing the proposed alternative hypotheses, we can confirm our confidence in the inference of secondary contact between a West European and an East European stickleback lineage in the catchment of Lake Constance, and that this admixture facilitated the ecological divergence between lake and stream ecotypes within Lake Constance.
In particular, Berner1 (i) questioned whether West and East European stickleback populations should be considered as divergent lineages, (ii) suggested that Lake Constance stickleback originated from the upper Danube instead of East Europe, (iii)
questioned the suitability of our demographic modelling approach to reject an ‘ecological vicariance’ scenario, (iv) proposed that divergent selection within Lake Constance biased our inference of a secondary contact and admixture scenario, and (v) criticized our conclusion on admixture-facilitation of ecological speciation as premature. We address each of these concerns in this sequence.

Item Type:

Journal Article (Further Contribution)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE)
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) > Population Genetics

UniBE Contributor:

Marques, David Alexander, Martins Conde e Sousa, Vitor, Excoffier, Laurent, Seehausen, Ole

Subjects:

500 Science > 570 Life sciences; biology

ISSN:

2041-1723

Publisher:

Springer Nature

Language:

English

Submitter:

Marcel Häsler

Date Deposited:

18 Jun 2021 14:33

Last Modified:

05 Dec 2022 15:51

Publisher DOI:

10.1038/s41467-021-23096-x

PubMed ID:

33990586

BORIS DOI:

10.48350/156353

URI:

https://boris.unibe.ch/id/eprint/156353

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