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- Title
Divergence and gene flow among Darwin's finches: A genome-wide view of adaptive radiation driven by interspecies allele sharing.
- Authors
Palmer, Daniela H.; Kronforst, Marcus R.
- Abstract
A recent analysis of the genomes of Darwin's finches revealed extensive interspecies allele sharing throughout the history of the radiation and identified a key locus responsible for morphological evolution in this group. The radiation of Darwin's finches on the Galápagos archipelago has long been regarded as an iconic study system for field ecology and evolutionary biology. Coupled with an extensive history of field work, these latest findings affirm the increasing acceptance of introgressive hybridization, or gene flow between species, as a significant contributor to adaptive evolution. Here, we review and discuss these findings in relation to both classical work on Darwin's finches and contemporary work showing similar evolutionary signatures in other biological systems. The continued unification of genomic data with field biology promises to further elucidate the molecular basis of adaptation in Darwin's finches and well beyond.
- Subjects
RESERVA Biosferica en los Galapagos (Galapagos Islands); GROUND finches; GENE flow; ADAPTIVE radiation; ALLELES
- Publication
BioEssays, 2015, Vol 37, Issue 9, p968
- ISSN
0265-9247
- Publication type
Article
- DOI
10.1002/bies.201500047