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Arctic-adapted dogs emerged at the Pleistocene–Holocene transition
Science ( IF 41.845 ) Pub Date : 2020-06-26 , DOI: 10.1126/science.aaz8599
Mikkel-Holger S. Sinding, Shyam Gopalakrishnan, Jazmín Ramos-Madrigal, Marc de Manuel, Vladimir V. Pitulko, Lukas Kuderna, Tatiana R. Feuerborn, Laurent A. F. Frantz, Filipe G. Vieira, Jonas Niemann, Jose A. Samaniego Castruita, Christian Carøe, Emilie U. Andersen-Ranberg, Peter D. Jordan, Elena Y. Pavlova, Pavel A. Nikolskiy, Aleksei K. Kasparov, Varvara V. Ivanova, Eske Willerslev, Pontus Skoglund, Merete Fredholm, Sanne Eline Wennerberg, Mads Peter Heide-Jørgensen, Rune Dietz, Christian Sonne, Morten Meldgaard, Love Dalén, Greger Larson, Bent Petersen, Thomas Sicheritz-Pontén, Lutz Bachmann, Øystein Wiig, Tomas Marques-Bonet, Anders J. Hansen, M. Thomas P. Gilbert

Although sled dogs are one of the most specialized groups of dogs, their origin and evolution has received much less attention than many other dog groups. We applied a genomic approach to investigate their spatiotemporal emergence by sequencing the genomes of 10 modern Greenland sled dogs, an ~9500-year-old Siberian dog associated with archaeological evidence for sled technology, and an ~33,000-year-old Siberian wolf. We found noteworthy genetic similarity between the ancient dog and modern sled dogs. We detected gene flow from Pleistocene Siberian wolves, but not modern American wolves, to present-day sled dogs. The results indicate that the major ancestry of modern sled dogs traces back to Siberia, where sled dog–specific haplotypes of genes that potentially relate to Arctic adaptation were established by 9500 years ago.
更新日期:2020-06-26

 

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