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Domestication: Call of the wild apple
1School of Life Sciences, Gibbet Hill Campus, University of Warwick, Coventry CV4 7AL, UK.
Current Biology : CB
|April 21, 2026
Summary
Modern apples originated from adaptive introgression, where genes from wild European apples were incorporated into domestic varieties. This process highlights the significant role of gene flow in the evolution of cultivated plants.
Area of Science:
- Plant genetics
- Evolutionary biology
- Agricultural science
Background:
- Domestication processes are often complex, influenced by gene flow between wild and domestic populations.
- Distinguishing between natural evolution and human-driven selection can be challenging.
Purpose of the Study:
- To investigate the origins of modern apples.
- To determine the role of gene flow from wild populations in apple domestication.
Main Methods:
- Genetic analysis of wild and domestic apple populations.
- Comparative genomics to identify introgression events.
Main Results:
- Evidence of adaptive introgression from wild European apple populations into modern apples.
- Identification of specific genetic regions involved in this introgression.
Conclusions:
- Adaptive introgression played a crucial role in the formation of modern apples.
- Understanding gene flow is key to deciphering plant domestication.
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