A beak size locus in Darwin’s finches facilitated character displacement during a drought

Author:

Lamichhaney Sangeet1,Han Fan1,Berglund Jonas1,Wang Chao1,Almén Markus Sällman1,Webster Matthew T.1,Grant B. Rosemary2,Grant Peter R.2,Andersson Leif134

Affiliation:

1. Department of Medical Biochemistry and Microbiology, Uppsala University, Uppsala, Sweden.

2. Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ, USA.

3. Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Uppsala, Sweden.

4. Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA.

Abstract

Linked loci and Galapagos finch size Observations of parallel evolution in the finches of the Galapagos, including body and beak size, contributed to Darwin's theories. Lamichhaney et al. carried out whole-genome sequencing of 60 Darwin's finches. These included small, medium, and large ground finches as well as small, medium, and large tree finches. A genomic region containing the HMGA2 gene correlated strongly with beak size across different species. This locus appears to have played a role in beak diversification throughout the radiation of Darwin's finches. Science , this issue p. 470

Funder

Knut and Alice Wallenberg Foundation

Uppsala University

SciLifeLab

Swedish Research Council

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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