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PMID: 11344314 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Multiple maternal origins and weak phylogeographic structure in domestic goats.

Proceedings of the National Academy of Sciences of the United States of America ·Vol. 98 ·No. 10 ·2001-05-08 ·Pages 5927-32

Luikart G, Gielly L, Excoffier L, Vigne JD, Bouvet J, Taberlet P

Abstract

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.

MeSH Terms

Animals Animals, Domestic Base Sequence DNA Primers DNA, Mitochondrial/genetics Female Genomic Imprinting Geography Goats/genetics Molecular Sequence Data Phylogeny Population Dynamics

Chemicals

DNA Primers DNA, Mitochondrial

Authors & Affiliations

6 authors, click to expand affiliations / ORCID

Luikart G

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.

Gielly L

Excoffier L

Vigne J D

Bouvet J

Taberlet P

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Article Info

Journal

Proceedings of the National Academy of Sciences of the United States of America

Abbr.

Proc Natl Acad Sci U S A

ISSN

0027-8424

DOI

10.1073/pnas.091591198

Published

2001-05-08

Pages

5927-32

Language

English

Region

United States

NLM ID

7505876

PMCID

PMC33315

Subset

Databases

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

Corrections

CommentIn

PMID: 11344280

External Links

PubMed source DOI: 10.1073/pnas.091591198 PMC Full Text View journal details

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Multiple maternal origins and weak phylogeographic structure in domestic goats.

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