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Título

North African Jewish and non-Jewish populations form distinctive, orthogonal clusters

Autor Campbell, Christopher L.; Botigué, Laura R.; Comas, David ; Ostrer, Harry
Palabras clave Jewish genetics
Population genetics
North African genetics
Identical by descent sharing
Deep ancestry
Fecha de publicación 21-ago-2012
EditorNational Academy of Sciences (U.S.)
Citación Proceedings of the National Academy of Sciences 109(34): 13865-13870 (2012)
ResumenNorth African Jews constitute the second largest Jewish Diaspora group. However, their relatedness to each other; to European, Middle Eastern, and other Jewish Diaspora groups; and to their former North African non-Jewish neighbors has not been well defined. Here, genome-wide analysis of five North African Jewish groups (Moroccan, Algerian, Tunisian, Djerban, and Libyan) and comparison with other Jewish and non-Jewish groups demonstrated distinctive North African Jewish population clusters with proximity to other Jewish populations and variable degrees of Middle Eastern, European, and North African admixture. Two major subgroups were identified by principal component, neighbor joining tree, and identity-by-descent analysis - Moroccan/ Algerian and Djerban/Libyan - that varied in their degree of European admixture. These populations showed a high degree of endogamy and were part of a larger Ashkenazi and Sephardic Jewish group. By principal component analysis, these North African groups were orthogonal to contemporary populations from North and South Morocco, Western Sahara, Tunisia, Libya, and Egypt. Thus, this study is compatible with the history of North African Jews - founding during Classical Antiquity with proselytism of local populations, followed by genetic isolation with the rise of Christianity and then Islam, and admixture following the emigration of Sephardic Jews during the Inquisition.
Descripción Campbell, Christopher L. et al.
URI http://hdl.handle.net/10261/115310
DOI10.1073/pnas.1204840109
Identificadoresdoi: 10.1073/pnas.1204840109
issn: 0027-8424
e-issn: 1091-6490
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