Multiple and Ancient Origins of the Domestic Dog-Reference-Cited by-同舟云学术

Multiple and Ancient Origins of the Domestic Dog

Published:1997-06-13 Issue:5319 Volume:276 Page:1687-1689
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Vilà Carles¹²³⁴,Savolainen Peter¹²³⁴,Maldonado Jesús E.¹²³⁴,Amorim Isabel R.¹²³⁴,Rice John E.¹²³⁴,Honeycutt Rodney L.¹²³⁴,Crandall Keith A.¹²³⁴,Lundeberg Joakim¹²³⁴,Wayne Robert K.¹²³⁴

Affiliation:

1. C. Vilà, J. E. Maldonado, I. R. Amorim, R. K. Wayne, Department of Biology, University of California, Los Angeles, CA 90095–1606, USA.

2. P. Savolainen and J. Lundeberg, Department of Biochemistry, Royal Institute of Technology, S 100 44 Stockholm, Sweden.

3. J. E. Rice and R. L. Honeycutt, Faculty of Genetics and Department of Wildlife and Fisheries Sciences, Texas A&M University, College Station, TX 77843, USA.

4. K. A. Crandall, Department of Zoology and M. L. Bean Museum, Brigham Young University, Provo, UT 84602, USA.

Abstract

Mitochondrial DNA control region sequences were analyzed from 162 wolves at 27 localities worldwide and from 140 domestic dogs representing 67 breeds. Sequences from both dogs and wolves showed considerable diversity and supported the hypothesis that wolves were the ancestors of dogs. Most dog sequences belonged to a divergent monophyletic clade sharing no sequences with wolves. The sequence divergence within this clade suggested that dogs originated more than 100,000 years before the present. Associations of dog haplotypes with other wolf lineages indicated episodes of admixture between wolves and dogs. Repeated genetic exchange between dog and wolf populations may have been an important source of variation for artificial selection.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference34 articles.

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