Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/46957
Título: Isolation and prominent aboriginal maternal legacy in the present-day population of la Gomera (Canary Islands)
Autores/as: Fregel, Rosa
Cabrera, Vicente M.
Larruga, José M.
Hernández, Juan C.
Gámez, Alejandro
Pestano, Jose J. 
Arnay, Matilde
González, Ana M.
Clasificación UNESCO: 32 Ciencias médicas
320102 Genética clínica
51 Antropología
241007 Genética humana
Palabras clave: Mitochondrial-Dna Variation
Genetic-Relationship
Haplogroup U6
Ancient Mtdna
African, et al.
Fecha de publicación: 2015
Publicación seriada: European Journal of Human Genetics 
Resumen: The present-day population structure of La Gomera is outstanding in its high aboriginal heritage, the greatest in the Canary Islands. This was earlier confirmed by both mitochondrial DNA and autosomal analyses, although genetic drift due to the fifteenth century European colonization could not be excluded as the main factor responsible. The present mtDNA study of aboriginal remains and extant samples from the six municipal districts of the island indeed demonstrates that the pre-Hispanic colonization of La Gomera by North African people involved a strong founder event, shown by the high frequency of the indigenous Canarian U6b1a lineage in the aboriginal samples (65%). This value is even greater than that observed in the extant population (44%), which in turn is the highest of all the seven Canary Islands. In contrast to previous results obtained for the aboriginal populations of Tenerife and La Palma, haplogroups related to secondary waves of migration were not detected in La Gomera aborigines, indicating that isolation also had an important role in shaping the current population. The rugged relief of La Gomera divided into several distinct valleys probably promoted subsequent aboriginal intra-insular differentiation that has continued after the European colonization, as seen in the present-day population structure observed on the island.
URI: http://hdl.handle.net/10553/46957
ISSN: 1018-4813
DOI: 10.1038/ejhg.2014.251
Fuente: European Journal of Human Genetics[ISSN 1018-4813],v. 23, p. 1236-1243
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