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Molecular Ecology · 2018

Genomic consequences of a recent three-way admixture in supplemented wild brown trout populations revealed by local ancestry tracts

Leitwein M, Gagnaire PA, Desmarais E, Berrebi P, Guinand B

In brown trout from southern France, this study examines admixture between wild Mediterranean populations and two domestic origins. Ancestry tracts provide additional information on hybridisation patterns and their history compared with approaches based only on variant frequencies.

The question
How can the contributions of several domestic strains be told apart in the genomes of wild populations?
The approach
SNP markers from ddRAD-seq, genetic mapping and estimation of local ancestry along chromosomes.
What the article brings
Ancestry mosaics reveal a variety of admixture profiles and differences in timing between domestic origins.
The limits
A summary based on the abstract of the published article; the full text was not consulted. No site-level result is drawn from it.

Figures from the article

The figures of this article are not reproduced here; they can be viewed in the published article.

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