The genetic structure of Norway.
Journal
European journal of human genetics : EJHG
ISSN: 1476-5438
Titre abrégé: Eur J Hum Genet
Pays: England
ID NLM: 9302235
Informations de publication
Date de publication:
11 2021
11 2021
Historique:
received:
14
05
2020
accepted:
14
04
2021
revised:
01
03
2021
pubmed:
19
5
2021
medline:
23
3
2022
entrez:
18
5
2021
Statut:
ppublish
Résumé
The aim of the present study was to describe the genetic structure of the Norwegian population using genotypes from 6369 unrelated individuals with detailed information about places of residence. Using standard single marker- and haplotype-based approaches, we report evidence of two regions with distinctive patterns of genetic variation, one in the far northeast, and another in the south of Norway, as indicated by fixation indices, haplotype sharing, homozygosity, and effective population size. We detect and quantify a component of Uralic Sami ancestry that is enriched in the North. On a finer scale, we find that rates of migration have been affected by topography like mountain ridges. In the broader Scandinavian context, we detect elevated relatedness between the mid- and northern border areas towards Sweden. The main finding of this study is that despite Norway's long maritime history and as a former Danish territory, the region closest to mainland Europe in the south appears to have been an isolated region in Norway, highlighting the open sea as a barrier to gene flow into Norway.
Identifiants
pubmed: 34002043
doi: 10.1038/s41431-021-00899-6
pii: 10.1038/s41431-021-00899-6
pmc: PMC8560852
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1710-1718Informations de copyright
© 2021. The Author(s).
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