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Archaeogenetic analysis of Neolithic sheep from Anatolia suggests a complex demographic history since domestication.


ABSTRACT: Sheep were among the first domesticated animals, but their demographic history is little understood. Here we analyzed nuclear polymorphism and mitochondrial data (mtDNA) from ancient central and west Anatolian sheep dating from Epipaleolithic to late Neolithic, comparatively with modern-day breeds and central Asian Neolithic/Bronze Age sheep (OBI). Analyzing ancient nuclear data, we found that Anatolian Neolithic sheep (ANS) are genetically closest to present-day European breeds relative to Asian breeds, a conclusion supported by mtDNA haplogroup frequencies. In contrast, OBI showed higher genetic affinity to present-day Asian breeds. These results suggest that the east-west genetic structure observed in present-day breeds had already emerged by 6000 BCE, hinting at multiple sheep domestication episodes or early wild introgression in southwest Asia. Furthermore, we found that ANS are genetically distinct from all modern breeds. Our results suggest that European and Anatolian domestic sheep gene pools have been strongly remolded since the Neolithic.

SUBMITTER: Yurtman E 

PROVIDER: S-EPMC8589978 | biostudies-literature | 2021 Nov

REPOSITORIES: biostudies-literature

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Archaeogenetic analysis of Neolithic sheep from Anatolia suggests a complex demographic history since domestication.

Yurtman Erinç E   Özer Onur O   Yüncü Eren E   Dağtaş Nihan Dilşad ND   Koptekin Dilek D   Çakan Yasin Gökhan YG   Özkan Mustafa M   Akbaba Ali A   Kaptan Damla D   Atağ Gözde G   Vural Kıvılcım Başak KB   Gündem Can Yümni CY   Martin Louise L   Kılınç Gülşah Merve GM   Ghalichi Ayshin A   Açan Sinan Can SC   Yaka Reyhan R   Sağlıcan Ekin E   Lagerholm Vendela Kempe VK   Krzewińska Maja M   Günther Torsten T   Morell Miranda Pedro P   Pişkin Evangelia E   Şevketoğlu Müge M   Bilgin C Can CC   Atakuman Çiğdem Ç   Erdal Yılmaz Selim YS   Sürer Elif E   Altınışık N Ezgi NE   Lenstra Johannes A JA   Yorulmaz Sevgi S   Abazari Mohammad Foad MF   Hoseinzadeh Javad J   Baird Douglas D   Bıçakçı Erhan E   Çevik Özlem Ö   Gerritsen Fokke F   Özbal Rana R   Götherström Anders A   Somel Mehmet M   Togan İnci İ   Özer Füsun F  

Communications biology 20211112 1


Sheep were among the first domesticated animals, but their demographic history is little understood. Here we analyzed nuclear polymorphism and mitochondrial data (mtDNA) from ancient central and west Anatolian sheep dating from Epipaleolithic to late Neolithic, comparatively with modern-day breeds and central Asian Neolithic/Bronze Age sheep (OBI). Analyzing ancient nuclear data, we found that Anatolian Neolithic sheep (ANS) are genetically closest to present-day European breeds relative to Asia  ...[more]

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