Human Y-chromosome variation in the Western Mediterranean area: implications for the peopling of the region
Identifieur interne : 000F47 ( Main/Exploration ); précédent : 000F46; suivant : 000F48Human Y-chromosome variation in the Western Mediterranean area: implications for the peopling of the region
Auteurs : Rosaria Scozzari [Italie] ; Fulvio Cruciani [Italie] ; Alessandra Pangrazio [Italie] ; Piero Santolamazza [Italie] ; Giuseppe Vona [Italie] ; Pedro Moral [Espagne] ; Veronica Latini [Italie] ; Laurent Varesi [France] ; Marc M. Memmi [France] ; Valentino Romano [Italie] ; Giacomo De Leo [Italie] ; Massimo Gennarelli [Italie] ; Jadwiga Jaruzelska [Pologne] ; Richard Villems [Estonie] ; Jüri Parik [Estonie] ; Vincent Macaulay [Royaume-Uni] ; Antonio Torroni [Italie]Source :
- Human Immunology [ 0198-8859 ] ; 2001.
English descriptors
- KwdEn :
Abstract
Y-chromosome variation was analyzed in a sample of 1127 males from the Western Mediterranean area by surveying 16 biallelic and 4 multiallelic sites. Some populations from Northeastern Europe and the Middle East were also studied for comparison. All Y-chromosome haplotypes were included in a parsimonious genealogic tree consisting of 17 haplogroups, several of which displayed distinct geographic specificities. One of the haplogroups, HG9.2, has some features that are compatible with a spread into Europe from the Near East during the Neolithic period. However, the current distribution of this haplogroup would suggest that the Neolithic gene pool had a major impact in the eastern and central part of the Mediterranean basin, but very limited consequences in Iberia and Northwestern Europe. Two other haplogroups, HG25.2 and HG2.2, were found to have much more restricted geographic distributions. The first most likely originated in the Berbers within the last few thousand years, and allows the detection of gene flow to Iberia and Southern Europe. The latter haplogroup is common only in Sardinia, which confirms the genetic peculiarity and isolation of the Sardinians. Overall, this study demonstrates that the dissection of Y-chromosome variation into haplogroups with a more restricted geographic distribution can reveal important differences even between populations that live at short distances, and provides new clues to their past interactions.
Url:
DOI: 10.1016/S0198-8859(01)00286-5
Affiliations:
- Espagne, Estonie, France, Italie, Pologne, Royaume-Uni
- Angleterre, Catalogne, Collectivité territoriale de Corse, Oxfordshire
- Barcelone, Corte, Oxford
- Université d'Oxford, Université de Barcelone
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Some populations from Northeastern Europe and the Middle East were also studied for comparison. All Y-chromosome haplotypes were included in a parsimonious genealogic tree consisting of 17 haplogroups, several of which displayed distinct geographic specificities. One of the haplogroups, HG9.2, has some features that are compatible with a spread into Europe from the Near East during the Neolithic period. However, the current distribution of this haplogroup would suggest that the Neolithic gene pool had a major impact in the eastern and central part of the Mediterranean basin, but very limited consequences in Iberia and Northwestern Europe. Two other haplogroups, HG25.2 and HG2.2, were found to have much more restricted geographic distributions. The first most likely originated in the Berbers within the last few thousand years, and allows the detection of gene flow to Iberia and Southern Europe. The latter haplogroup is common only in Sardinia, which confirms the genetic peculiarity and isolation of the Sardinians. Overall, this study demonstrates that the dissection of Y-chromosome variation into haplogroups with a more restricted geographic distribution can reveal important differences even between populations that live at short distances, and provides new clues to their past interactions.</div></front></TEI><affiliations><list><country><li>Espagne</li><li>Estonie</li><li>France</li><li>Italie</li><li>Pologne</li><li>Royaume-Uni</li></country><region><li>Angleterre</li><li>Catalogne</li><li>Collectivité territoriale de Corse</li><li>Oxfordshire</li></region><settlement><li>Barcelone</li><li>Corte</li><li>Oxford</li></settlement><orgName><li>Université d'Oxford</li><li>Université de Barcelone</li></orgName></list><tree><country name="Italie"><noRegion><name sortKey="Scozzari, Rosaria" sort="Scozzari, Rosaria" uniqKey="Scozzari R" first="Rosaria" last="Scozzari">Rosaria Scozzari</name></noRegion><name sortKey="Cruciani, Fulvio" sort="Cruciani, Fulvio" uniqKey="Cruciani F" first="Fulvio" last="Cruciani">Fulvio Cruciani</name><name sortKey="De Leo, Giacomo" sort="De Leo, Giacomo" uniqKey="De Leo G" first="Giacomo" last="De Leo">Giacomo De Leo</name><name sortKey="Gennarelli, Massimo" sort="Gennarelli, Massimo" uniqKey="Gennarelli M" first="Massimo" last="Gennarelli">Massimo Gennarelli</name><name sortKey="Latini, Veronica" sort="Latini, Veronica" uniqKey="Latini V" first="Veronica" last="Latini">Veronica Latini</name><name sortKey="Pangrazio, Alessandra" sort="Pangrazio, Alessandra" uniqKey="Pangrazio A" first="Alessandra" last="Pangrazio">Alessandra Pangrazio</name><name sortKey="Romano, Valentino" sort="Romano, Valentino" uniqKey="Romano V" first="Valentino" last="Romano">Valentino Romano</name><name sortKey="Santolamazza, Piero" sort="Santolamazza, Piero" uniqKey="Santolamazza P" first="Piero" last="Santolamazza">Piero Santolamazza</name><name sortKey="Scozzari, Rosaria" sort="Scozzari, Rosaria" uniqKey="Scozzari R" first="Rosaria" last="Scozzari">Rosaria Scozzari</name><name sortKey="Torroni, Antonio" sort="Torroni, Antonio" uniqKey="Torroni A" first="Antonio" last="Torroni">Antonio Torroni</name><name sortKey="Vona, Giuseppe" sort="Vona, Giuseppe" uniqKey="Vona G" first="Giuseppe" last="Vona">Giuseppe Vona</name></country><country name="Espagne"><region name="Catalogne"><name sortKey="Moral, Pedro" sort="Moral, Pedro" uniqKey="Moral P" first="Pedro" last="Moral">Pedro Moral</name></region></country><country name="France"><region name="Collectivité territoriale de Corse"><name sortKey="Varesi, Laurent" sort="Varesi, Laurent" uniqKey="Varesi L" first="Laurent" last="Varesi">Laurent Varesi</name></region><name sortKey="Memmi, Marc M" sort="Memmi, Marc M" uniqKey="Memmi M" first="Marc M." last="Memmi">Marc M. Memmi</name></country><country name="Pologne"><noRegion><name sortKey="Jaruzelska, Jadwiga" sort="Jaruzelska, Jadwiga" uniqKey="Jaruzelska J" first="Jadwiga" last="Jaruzelska">Jadwiga Jaruzelska</name></noRegion></country><country name="Estonie"><noRegion><name sortKey="Villems, Richard" sort="Villems, Richard" uniqKey="Villems R" first="Richard" last="Villems">Richard Villems</name></noRegion><name sortKey="Parik, Juri" sort="Parik, Juri" uniqKey="Parik J" first="Jüri" last="Parik">Jüri Parik</name></country><country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Macaulay, Vincent" sort="Macaulay, Vincent" uniqKey="Macaulay V" first="Vincent" last="Macaulay">Vincent Macaulay</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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