The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.
Y genetic data support the Neolithic demic diffusion model
Open accessAbstract
There still is no general agreement on the origins of the European gene pool, even though Europe has been more thoroughly investigated than any other continent. In particular, there is continuing controversy about the relative contributions of European Palaeolithic hunter-gatherers and of migrant Near Eastern Neolithic farmers, who brought agriculture to Europe. Here, we apply a statistical framework that we have developed to obtain direct estimates of the contribution of these two groups at the time they met. We analyze a large dataset of 22 binary markers from the non-recombining region of the Y chromosome (NRY), by using a genealogical likelihood-based approach. The results reveal a significantly larger genetic contribution from Neolithic farmers than did previous indirect approaches based on the distribution of haplotypes selected by using post hoc criteria. We detect a significant decrease in admixture across the entire range between the Near East and Western Europe. We also argue that local hunter-gatherers contributed less than 30% in the original settlements. This finding leads us to reject a predominantly cultural transmission of agriculture. Instead, we argue that the demic diffusion model introduced by Ammerman and Cavalli-Sforza [Ammerman, A. J. & Cavalli-Sforza, L. L. (1984) The Neolithic Transition and the Genetics of Populations in Europe (Princeton Univ. Press, Princeton)] captures the major features of this dramatic episode in European prehistory.
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“Therefore, multiple population movements during recent human history could have contributed to shaping NE ancestry across time and space because distinct expanding populations can carry various levels of NE ancestry (20, 31, 39).”
From Past human expansions shaped the spatial pattern of Neanderthal ancestry (2023) · cites this paper as [39]
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“According to the expansion hypothesis (19), as HGs spread over Europe, their NE introgression levels increased because of a combination of stochastic demographic and migratory processes related to gene dilution (20, 31, 39) and gene surfing (22, 23), which explain the spatial gradients of NE ancestry observed in HGs (Fig. 5).”
From Past human expansions shaped the spatial pattern of Neanderthal ancestry (2023) · cites this paper as [39]
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Metadata
- Authors
- Chikhi, L., Nichols, R. A., Barbujani, G., & Beaumont, M. A.
- Affiliations
- Queen Mary University of London (GB)
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2002-08-07
- Volume
- 99
- Issue
- 17
- Pages
- 11008-11013
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC123201
- OpenAlex
- W2141571677
- Cited by
- 327
- References
- 35
- Citations by year
- 2026: 2 · 2025: 42 · 2024: 3 · 2023: 3 · 2022: 3 · 2021: 6 · 2020: 6 · 2019: 2 · 2018: 6 · 2017: 9 · 2016: 6 · 2015: 10 · 2014: 16 · 2013: 18 · 2012: 30
- FWCI
- 11.58
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Institutional Research Information System University of Ferrara (University of Ferrara) (submittedVersion)
- Funders
- University College London
- Università degli Studi di Ferrara
- Directorate for Biological Sciences
- Biotechnology and Biological Sciences Research Council
- Natural Environment Research Council
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Forensic and Genetic Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
- Social Sciences › Archeology › Archaeology and ancient environmental studies
- Keywords
- Neolithic farmers, admixture, Neolithic transition, European prehistory
- MeSH terms
- Animals, Europe, Gene Frequency, Gene Pool, Genetics, Medical, Humans, Male, Models, Genetic, Paleontology, Regression Analysis, Selection, Genetic, Y Chromosome, Hominidae
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