The First Dogs in America
This is the first comprehensive genomic study of ancient dogs in the Americas to analyze nuclear DNA, which is inherited from both parents, along with mitochondrial DNA, which is passed down only from mothers to their offspring. By comparing genomic signatures from 71 mitochondrial and seven nuclear genomes of ancient North American and Siberian dogs spanning a period of 9,000 years, the research team was able to gain a clearer picture of the history of the first canine inhabitants of the Americas.
Graphic by Julie McMahon / Photo by Angus McNab
to every part of the Americas, migrating with their human counterparts.
A ritual burial of two dogs at a site in Illinois near St. Louis suggests a special relationship between humans and dogs at this location and time (660 to 1,350 years ago).
Ancient dog burials like this one found at the Janey B. Goode site near Brooklyn, Ill., provided genetic material for a new study of dogs in the Americas.
Photo courtesy Illinois State Archaeological Survey, Prairie Research Institute.
Contacts and sources:
Diana Yates
University of Illinois at Urbana-Champaign
Citation: The evolutionary history of dogs in the Americas Máire Ní Leathlobhair1,*, Angela R. Perri et al Science 06 Jul 2018: Vol. 361, Issue 6397, pp. 81-85 DOI: 10.1126/science.aao4776 http://dx.doi.org/10.1126/science.aao4776
Source: http://www.ineffableisland.com/2018/07/the-first-dogs-in-america.html
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