mtDna and the islands of the North Atlantic: estimating the proportions of Norse and Gaelic ancestry.

@article{Helgason2001mtDnaAT,
  title={mtDna and the islands of the North Atlantic: estimating the proportions of Norse and Gaelic ancestry.},
  author={Agnar Helgason and Elizabeth Hickey and Sara L. Goodacre and Vidar Bosnes and K{\'a}ri Stef{\'a}nsson and Ryk H Ward and Bryan C. Sykes},
  journal={American journal of human genetics},
  year={2001},
  volume={68 3},
  pages={
          723-37
        }
}
A total of 1,664 new mtDNA control-region sequences were analyzed in order to estimate Gaelic and Scandinavian matrilineal ancestry in the populations of Iceland, Orkney, the Western Isles, and the Isle of Skye and to investigate other aspects of their genetic history. A relative excess of private lineages in the Icelanders is indicative of isolation, whereas the scarcity of private lineages in Scottish island populations may be explained by recent gene flow and population decline. Differences… 

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References

SHOWING 1-10 OF 68 REFERENCES

Geographic patterns of mtDNA diversity in Europe.

TLDR
The distribution of the zones of highest mitochondrial variation (genetic boundaries) confirmed that the Saami are sharply differentiated from an otherwise rather homogeneous set of European samples, and an area of significant clinal variation was identified around the Mediterranean Sea (and not in the north), even though the differences between northern and southern populations were insignificant.

Genetic diversity in the Iberian Peninsula determined from mitochondrial sequence analysis

TLDR
The timing of divergence of populations within Iberia points to a shared ancestry of all populations in the Upper Palaeolithic, and lineage diversity comparisons with European and North African populations shows the Iberian Peninsula to be more similar to other European populations, although a small number of Iberians lineages can be traced to North Africa.

The emerging tree of West Eurasian mtDNAs: a synthesis of control-region sequences and RFLPs.

TLDR
It is shown that the main indigenous North African cluster is a sister group to the most ancient cluster of European mtDNAs, from which it diverged approximately 50,000 years ago.

Tracing European founder lineages in the Near Eastern mtDNA pool.

Estimating Scandinavian and Gaelic ancestry in the male settlers of Iceland.

TLDR
Results based on a study of Y-chromosome diallelic and microsatellite variation in 181 Icelanders, 233 Scandinavians, and 283 Gaels from Ireland and Scotland indicate closer matrilineal links with populations of the British Isles, which supports the model, put forward by some historians, that the majority of females in the Icelandic founding population had Gaelic ancestry.

Sequence diversity of the control region of mitochondrial DNA in Tuscany and its implications for the peopling of Europe.

The control region of mitochondrial DNA has been widely studied in various human populations. This paper reports sequence data for hypervariable segments 1 and 2 of the control region from a

High mitochondrial sequence diversity in linguistic isolates of the Alps.

TLDR
Analysis of molecular variance shows significant differentiation within samples, among them, and among linguistic groups, and in the evolutionary trees where the four alpine groups are compared with other European populations, Mocheni and especially Ladins appear as clear outliers.

Genes and languages in Europe: an analysis of mitochondrial lineages.

TLDR
It is argued that this apparent contradiction is attributable to the fact that genetic lineages and gene frequencies reflect different time perspectives on population history, the latter being more in concordance with linguistic evolution.

Paleolithic and neolithic lineages in the European mitochondrial gene pool.

TLDR
It follows that the major extant lineages throughout Europe predate the Neolithic expansion and that the spread of agriculture was a substantially indigenous development accompanied by only a relatively minor component of contemporary Middle Eastern agriculturalists.

Geographic variation in human mitochondrial DNA control region sequence: the population history of Turkey and its relationship to the European populations.

TLDR
Although there is a very low level of genetic divergence among Caucasoid populations as shown by mtDNA control region sequences, a geographic pattern of genetic variation emerges, denoting a stepping-stone position of Turkey between the Middle East and Europe, which is in agreement with the hypothesis of a replacement of Neanderthals by modern humans.
...