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Title:
Genetic Evidence for an East Asian Origin of Domestic Dogs
Authors:
Savolainen, Peter; Zhang, Ya-ping; Luo, Jing; Lundeberg, Joakim; Leitner, Thomas
Affiliation:
AA(Department of Biotechnology, Royal Institute of Technology (KTH), 10691 Stockholm, Sweden.), AB(Yunnan Laboratory of Molecular Biology of Domestic Animals, and Laboratory of Molecular Evolution and Genome Diversity, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China.), AC(Department of Biotechnology, Royal Institute of Technology (KTH), 10691 Stockholm, Sweden.), AD(Department of Biotechnology, Royal Institute of Technology (KTH), 10691 Stockholm, Sweden.), AE(Department of Virology, Swedish Institute for Infectious Disease Control, 17182 Solna, Sweden.)
Publication:
Science, Volume 298, Issue 5598, pp. 1610-1613 (2002). (Sci Homepage)
Publication Date:
11/2002
Category:
GENETICS
Origin:
SCIENCE
Abstract Copyright:
(c) 2002: Science
DOI:
10.1126/science.1073906
Bibliographic Code:
2002Sci...298.1610S

Abstract

The origin of the domestic dog from wolves has been established, but the number of founding events, as well as where and when these occurred, is not known. To address these questions, we examined the mitochondrial DNA (mtDNA) sequence variation among 654 domestic dogs representing all major dog populations worldwide. Although our data indicate several maternal origins from wolf, >95% of all sequences belonged to three phylogenetic groups universally represented at similar frequencies, suggesting a common origin from a single gene pool for all dog populations. A larger genetic variation in East Asia than in other regions and the pattern of phylogeographic variation suggest an East Asian origin for the domestic dog, ~15,000 years ago.
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