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ancIBD - Screening for identity by descent segments in human ancient DNA
Harald Ringbauer1,2, Yilei Huang1,3, Ali Akbari2
1Department of Archaeogenetics, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany.
Biorxiv : the Preprint Server for Biology
|March 22, 2023
Summary
We developed ancIBD, a new method to identify Identical by Descent (IBD) segments in ancient DNA. This tool reveals close relatives and migration patterns in ancient populations, offering insights into historical population dynamics.
Area of Science:
- Ancient DNA analysis
- Population genetics
- Bioinformatics
Background:
- Identical by Descent (IBD) segments signify shared ancestry.
- Existing IBD calling methods are unsuitable for low-coverage ancient DNA (aDNA).
Conclusions:
- ancIBD expands the application of IBD analysis to the ancient DNA record.
- Provides insights into individual relationships, migration, and large-scale population movements in prehistory.
- Highlights the demographic impact of early farmer groups on subsequent European populations.
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