News from the west: Ancient DNA from a French megalithic burial chamber

Deguilloux, Marie‐France; Soler, Ludovic; Pémonge, Marie‐Hélène; Scarre, Chris; Joussaume, Roger; Laporte, Luc

doi:10.1002/ajpa.21376

Cited by 42 publications

(50 citation statements)

References 45 publications

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“…On the contrary, similarly to southern Europe Neolithic specimens (4), there is no evidence in the Treilles samples of the N1a haplogroup, which was highly present in central Europe and Atlantic coast Neolithic cultures (6,8). According to mitochondrial data, the Neolithic wave in the Treilles genetic pool is thus more likely to be Mediterranean than central European in origin.…”

Section: Resultsmentioning

confidence: 87%

“…In this context, molecular analyzes of ancient human populations of the end of the Neolithic are crucial to understand the origin and genetic structure of the European population. Because DNA is a very fragile molecule, rarely well preserved in ancient European specimens, only few molecular analyzes have been carried out on Neolithic remains, and they have often been limited to the study of mtDNA (4)(5)(6)(7)(8)(9). The few published studies on nuclear DNA concern a small number of individuals (10)(11)(12)(13).…”

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confidence: 99%

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Ancient DNA reveals male diffusion through the Neolithic Mediterranean route

Lacan

Keyser

Ricaut

et al. 2011

Proc. Natl. Acad. Sci. U.S.A.

160

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The Neolithic is a key period in the history of the European settlement. Although archaeological and present-day genetic data suggest several hypotheses regarding the human migration patterns at this period, validation of these hypotheses with the use of ancient genetic data has been limited. In this context, we studied DNA extracted from 53 individuals buried in a necropolis used by a French local community 5,000 y ago. The relatively good DNA preservation of the samples allowed us to obtain autosomal, Y-chromosomal, and/or mtDNA data for 29 of the 53 samples studied. From these datasets, we established close parental relationships within the necropolis and determined maternal and paternal lineages as well as the absence of an allele associated with lactase persistence, probably carried by Neolithic cultures of central Europe. Our study provides an integrative view of the genetic past in southern France at the end of the Neolithic period. Furthermore, the Y-haplotype lineages characterized and the study of their current repartition in European populations confirm a greater influence of the Mediterranean than the Central European route in the peopling of southern Europe during the Neolithic transition.

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Section: Resultsmentioning

confidence: 87%

mentioning

confidence: 99%

Ancient DNA reveals male diffusion through the Neolithic Mediterranean route

Lacan

Keyser

Ricaut

et al. 2011

Proc. Natl. Acad. Sci. U.S.A.

160

View full text Add to dashboard Cite

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“…The procedures were performed in the aDNA facilities of the laboratory of Past and Present Populations Anthropology (Université de Bordeaux, UMR PACEA) in a laboratory dedicated to aDNA analysis, as described in [21].…”

Section: (B) Dna Extractionmentioning

confidence: 99%

Where are the Caribs? Ancient DNA from ceramic period human remains in the Lesser Antilles

Mendisco

Pémonge

Leblay

et al. 2015

Phil. Trans. R. Soc. B

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The identity and history of the indigenous groups who occupied the Lesser Antilles during the ceramic periods remain highly controversial. Although recent archaeological evidence has challenged hypotheses concerning the organization of human groups in this region, more biological data are needed to fully inform the discussion. Our study provides, to our knowledge, the first palaeogenetic data for Late Ceramic groups of the Guadeloupe archipelago, yielding crucial information concerning the identities of these groups. Despite the generally poor DNA preservation in the tested remains, we were able to retrieve Hypervariable Region 1 sequences from 11 individuals and mitochondrial single-nucleotide polymorphisms from 13 individuals. These novel data provide interesting preliminary results in favour of a common origin for all Saladoid Caribbean communities, i.e. the first ceramic groups of the region, as well as for a local continuity between the Saladoid and post-Saladoid groups. A combination of the genetic data obtained and several pieces of cultural evidence allows us to propose that two different groups inhabited the Guadeloupe archipelago during the Late Ceramic period, with the possible occupation of the La Désirade and Marie-Galante islands by groups affiliated with the Taíno communities. The working hypotheses proposed here appear consistent with recent archaeological evidence.

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“…N1a dates to approximately 20 kya and is a relatively rare haplogroup in Europe, reaching higher frequencies in Eastern Africa and in the Arabian Peninsula. 54 Although this haplogroup was found in Neolithic and Mesolithic skeletal remains from Central and Northwest Europe, [55][56][57] it was absent in previous studies on Iberian Neolithic populations, suggesting a rather uneven genetic and geographical spread of this lineage across Europe. 58,59 However, more recently, Gamba et al 60 detected this lineage in Neolithic northeast Iberia, evidencing a possible scenario of several Neolithic colonization events along the Mediterranean, from the Near East.…”

Section: Echoes From Sepharad I Nogueiro Et Almentioning

confidence: 99%

Echoes from Sepharad: signatures on the maternal gene pool of crypto-Jewish descendants

et al. 2014

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The majority of genetic studies on Jewish populations have been focused on Ashkenazim, and genetic data from the Sephardic original source, the Iberian Peninsula, are particularly scarce. Regarding the mitochondrial genome, the available information is limited to a single Portuguese village, Belmonte, where just two different lineages (a single one corresponding to 93.3%) were found in 30 individuals. Aiming at disclosing the ancestral maternal background of the Portuguese Jewry, we enlarged the sampling to other crypto-Jewish descendants in the Braganc¸a district (NE Portugal). Fifty-seven complete mtDNA genomes were newly sequenced and -in contrast with Belmonte -a high level of diversity was found, with five haplogroups (HV0b, N1, T2b11, T2e and U2e) being putatively identified as Sephardic founding lineages. Therefore -in sharp contrast with Belmonte -these communities have managed to escape the expected inbreeding effects caused by centuries of religious repression and have kept a significant proportion of the Sephardic founder gene pool. This deeper analysis of the surviving Sephardic maternal lineages allowed a much more comprehensive and detailed perspective on the origins and survival of the Sephardic genetic heritage. In line with previously published results on Sephardic paternal lineages, our findings also show a surprising resistance to the erosion of genetic diversity in the maternal lineages.

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News from the west: Ancient DNA from a French megalithic burial chamber

Cited by 42 publications

References 45 publications

Ancient DNA reveals male diffusion through the Neolithic Mediterranean route

Ancient DNA reveals male diffusion through the Neolithic Mediterranean route

Where are the Caribs? Ancient DNA from ceramic period human remains in the Lesser Antilles

Echoes from Sepharad: signatures on the maternal gene pool of crypto-Jewish descendants

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