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Mitogenomic meta-analysis identifies two phases of migration in the history of Eastern Eurasian sheep

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Title Mitogenomic meta-analysis identifies two phases of migration in the history of Eastern Eurasian sheep
 
Creator Feng-Hua Lv
Wei-Feng Peng
Ji Yang
Yong-Xin Zhao
Wen-Rong Li
Ming-Jun Liu
Yue-Hui Ma
Qian-Jun Zhao
Guang-Li Yang
Feng Wang
Jin-Quan Li
Yong-Gang Liu
Zhi-Qiang Shen
Sheng-Guo Zhao
EEr Hehua
Gorkhali, N.A.
Farhad Vahidi, S.M.
Muladno, M.
Naqvi, A.N.
Tabell, J.
Iso-Touru, T.
Bruford, M.W.
Kantanen, J.
Han Jianlin
Meng-Hua Li
 
Subject SHEEP
LIVESTOCK
RESEARCH
 
Description Despite much attention, history of sheep (Ovis aries) evolution, including its dating, demographic trajectory and geographic spread, remains controversial. To address these questions, we generated 45 complete and 875 partial mitogenomic sequences, and performed a meta-analysis of these and published ovine mitochondrial DNA sequences (n = 3,229) across Eurasia. We inferred that O. orientalis and O. musimon share the most recent female ancestor with O. aries at approximately 0.790 Ma (95% CI: 0.637–0.934 Ma) during the Middle Pleistocene, substantially predating the domestication event (∼8–11 ka). By reconstructing historical variations in effective population size, we found evidence of a rapid population increase approximately 20–60 ka, immediately before the Last Glacial Maximum. Analyses of lineage expansions showed two sheep migratory waves at approximately 4.5–6.8 ka (lineages A and B: ∼6.4–6.8 ka; C: ∼4.5 ka) across eastern Eurasia, which could have been influenced by prehistoric West–East commercial trade and deliberate mating of domestic and wild sheep, respectively. A continent-scale examination of lineage diversity and approximate Bayesian computation analyses indicated that the Mongolian Plateau region was a secondary center of dispersal, acting as a “transportation hub” in eastern Eurasia: Sheep from the Middle Eastern domestication center were inferred to have migrated through the Caucasus and Central Asia, and arrived in North and Southwest China (lineages A, B, and C) and the Indian subcontinent (lineages B and C) through this region. Our results provide new insights into sheep domestication, particularly with respect to origins and migrations to and from eastern Eurasia.
 
Date 2015-10-13T12:37:43Z
2015-10-13T12:37:43Z
2015-06-16
 
Type Journal Article
 
Identifier Feng-Hua Lv, Wei-Feng Peng, Ji Yang, Yong-Xin Zhao, Wen-Rong Li, Ming-Jun Liu, Yue-Hui Ma, Qian-Jun Zhao, Guang-Li Yang, Feng Wang, Jin-Quan Li, Yong-Gang Liu, Zhi-Qiang Shen, Sheng-Guo Zhao, EEr Hehua, Gorkhali, N.A., Farhad Vahidi, S.M., Muladno, M., Naqvi, A.N., Tabell, J., Iso-Touru, T., Bruford, M.W., Kantanen, J., Jian-Lin Han and Meng-Hua Li. 2015. Mitogenomic meta-analysis identifies two phases of migration in the history of Eastern Eurasian sheep. Molecular Biology and Evolution 32 (10): 2515-2533.
1537-1719
http://hdl.handle.net/10568/68520
 
Language en
 
Source Molecular Biology and Evolution