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Arctic-adapted dogs emerged at the Pleistocene-Holocene transition.


ABSTRACT: 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.

SUBMITTER: Sinding MS 

PROVIDER: S-EPMC7116267 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Arctic-adapted dogs emerged at the Pleistocene-Holocene transition.

Sinding Mikkel-Holger S MS   Gopalakrishnan Shyam S   Ramos-Madrigal Jazmín J   de Manuel Marc M   Pitulko Vladimir V VV   Kuderna Lukas L   Feuerborn Tatiana R TR   Frantz Laurent A F LAF   Vieira Filipe G FG   Niemann Jonas J   Samaniego Castruita Jose A JA   Carøe Christian C   Andersen-Ranberg Emilie U EU   Jordan Peter D PD   Pavlova Elena Y EY   Nikolskiy Pavel A PA   Kasparov Aleksei K AK   Ivanova Varvara V VV   Willerslev Eske E   Skoglund Pontus P   Fredholm Merete M   Wennerberg Sanne Eline SE   Heide-Jørgensen Mads Peter MP   Dietz Rune R   Sonne Christian C   Meldgaard Morten M   Dalén Love L   Larson Greger G   Petersen Bent B   Sicheritz-Pontén Thomas T   Bachmann Lutz L   Wiig Øystein Ø   Marques-Bonet Tomas T   Hansen Anders J AJ   Gilbert M Thomas P MTP  

Science (New York, N.Y.) 20200601 6498


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  ...[more]

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