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9 a.m. – 7 p.m.
Phone: (843) 722-7550
West Ashley Library
9 a.m. – 7 p.m.
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Folly Beach Library
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Phone: (843) 588-2001
Edgar Allan Poe/Sullivan's Island Library
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Phone: (843) 883-3914
Wando Mount Pleasant Library
9 a.m. – 8 p.m.
Phone: (843) 805-6888
Village Library
9 a.m. – 6 p.m.
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St. Paul's/Hollywood Library
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Ancient genomes reveal over two thousand years of dingo population structure.
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- Author(s): Souilmi, Yassine; Wasef, Sally; Williams, Matthew P.; Conroy, Gabriel; Bar, Ido; Bover, Pere; Dann, Jackson; Heiniger, Holly; Llamas, Bastien; Ogbourne, Steven; Archer, Michael; Ballard, J. William O.; Reed, Elizabeth; Tobler, Raymond; Koungoulos, Loukas; Walshe, Keryn; Wright, Joanne L.; Balme, Jane; O'Connor, Sue; Cooper, Alan
- Source:
Proceedings of the National Academy of Sciences of the United States of America; 7/23/2024, Vol. 121 Issue 30, p1-12, 12p- Subject Terms:
- Source:
- Additional Information
- Abstract: Dingoes are culturally and ecologically important free-living canids whose ancestors arrived in Australia over 3,000 B.P., likely transported by seafaring people. However, the early history of dingoes in Australia--including the number of founding populations and their routes of introduction--remains uncertain. This uncertainty arises partly from the complex and poorly understood relationship between modern dingoes and New Guinea singing dogs, and suspicions that post-Colonial hybridization has introduced recent domestic dog ancestry into the genomes of many wild dingo populations. In this study, we analyzed genome-wide data from nine ancient dingo specimens ranging in age from 400 to 2,746 y old, predating the introduction of domestic dogs to Australia by European colonists. We uncovered evidence that the continent-wide population structure observed in modern dingo populations had already emerged several thousand years ago. We also detected excess allele sharing between New Guinea singing dogs and ancient dingoes from coastal New South Wales (NSW) compared to ancient dingoes from southern Australia, irrespective of any post-Colonial hybrid ancestry in the genomes of modern individuals. Our results are consistent with several demographic scenarios, including a scenario where the ancestry of dingoes from the east coast of Australia results from at least two waves of migration from source populations with varying affinities to New Guinea singing dogs. We also contribute to the growing body of evidence that modern dingoes derive little genomic ancestry from post-Colonial hybridization with other domestic dog lineages, instead descending primarily from ancient canids introduced to Sahul thousands of years ago. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Proceedings of the National Academy of Sciences of the United States of America is the property of National Academy of Sciences and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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