Document Detail

Multiple maternal origins and weak phylogeographic structure in domestic goats.
MedLine Citation:
PMID:  11344314     Owner:  NLM     Status:  MEDLINE    
Domestic animals have played a key role in human history. Despite their importance, however, the origins of most domestic species remain poorly understood. We assessed the phylogenetic history and population structure of domestic goats by sequencing a hypervariable segment (481 bp) of the mtDNA control region from 406 goats representing 88 breeds distributed across the Old World. Phylogeographic analysis revealed three highly divergent goat lineages (estimated divergence >200,000 years ago), with one lineage occurring only in eastern and southern Asia. A remarkably similar pattern exists in cattle, sheep, and pigs. These results, combined with recent archaeological findings, suggest that goats and other farm animals have multiple maternal origins with a possible center of origin in Asia, as well as in the Fertile Crescent. The pattern of goat mtDNA diversity suggests that all three lineages have undergone population expansions, but that the expansion was relatively recent for two of the lineages (including the Asian lineage). Goat populations are surprisingly less genetically structured than cattle populations. In goats only approximately 10% of the mtDNA variation is partitioned among continents. In cattle the amount is >/=50%. This weak structuring suggests extensive intercontinental transportation of goats and has intriguing implications about the importance of goats in historical human migrations and commerce.
G Luikart; L Gielly; L Excoffier; J D Vigne; J Bouvet; P Taberlet
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Proceedings of the National Academy of Sciences of the United States of America     Volume:  98     ISSN:  0027-8424     ISO Abbreviation:  Proc. Natl. Acad. Sci. U.S.A.     Publication Date:  2001 May 
Date Detail:
Created Date:  2001-05-10     Completed Date:  2001-06-14     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  7505876     Medline TA:  Proc Natl Acad Sci U S A     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5927-32     Citation Subset:  IM    
Laboratoire de Biologie des Populations d'Altitude, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5553, Université Joseph Fourier, B.P. 53, F-38041 Grenoble Cedex 9, France.
Data Bank Information
Bank Name/Acc. No.:
GENBANK/AJ317533;  AJ317534;  AJ317535;  AJ317536;  AJ317537;  AJ317538;  AJ317539;  AJ317540;  AJ317541;  AJ317542;  AJ317543;  AJ317544;  AJ317545;  AJ317546;  AJ317547;  AJ317548;  AJ317549;  AJ317550;  AJ317551;  AJ317552;  AJ317553;  AJ317554;  AJ317555;  AJ317556;  AJ317557;  AJ317558;  AJ317559;  AJ317560;  AJ317561;  AJ317562;  AJ317563;  AJ317564;  AJ317565;  AJ317566;  AJ317567;  AJ317568;  AJ317569;  AJ317570;  AJ317571;  AJ317572;  AJ317573;  AJ317574;  AJ317575
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MeSH Terms
Animals, Domestic
Base Sequence
DNA Primers
DNA, Mitochondrial / genetics
Genomic Imprinting*
Goats / genetics*
Molecular Sequence Data
Population Dynamics
Reg. No./Substance:
0/DNA Primers; 0/DNA, Mitochondrial
Comment In:
Proc Natl Acad Sci U S A. 2001 May 8;98(10):5382-4   [PMID:  11344280 ]

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