期刊
BIOESSAYS
卷 37, 期 9, 页码 968-974出版社
WILEY
DOI: 10.1002/bies.201500047
关键词
adaptation; adaptive radiation; genomics; hybridization; introgression
资金
- NSF [IOS-1452648]
- NIH [GM108626]
- Direct For Biological Sciences
- Division Of Environmental Biology [1342790] Funding Source: National Science Foundation
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1452648] Funding Source: National Science Foundation
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 Galapagos 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.
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