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Título : Revealing the History of Sheep Domestication Using Retrovirus Integrations
Autor : Chessa, Bernardo
Pereira, Filipe
Arnaud, Frederick
Amorim, Antonio
Goyache, Félix
Mainland, Ingrid
Fecha de publicación : 24-abr-2009
Editorial : American Association for the Advancement of Science
Citación : Chessa, Bernardo; Pereira, Filipe; Arnaud, Frederick [et. al]. Revealing the History of Sheep Domestication Using Retrovirus Integrations. Science. 2009; 324 (5926):532-536.
Resumen : The domestication of livestock represented a crucial step in human history. By using endogenous retroviruses as genetic markers, we found that sheep differentiated on the basis of their "retrotype" and morphological traits dispersed across Eurasia and Africa via separate migratory episodes. Relicts of the first migrations include the Mouflon, as well as breeds previously recognized as "primitive" on the basis of their morphology, such as the Orkney, Soay, and the Nordic short-tailed sheep now confined to the periphery of northwest Europe. A later migratory episode, involving sheep with improved production traits, shaped the great majority of present-day breeds. The ability to differentiate genetically primitive sheep from more modern breeds provides valuable insights into the history of sheep domestication.
URI : http://ria.asturias.es/RIA/handle/123456789/3181
ISSN : 0036-8075
Aparece en las colecciones: Agroalimentación y Ganadería
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