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|Title:||Dire wolves were the last of an ancient New World canid lineage|
Samaniego Castruita, J.A.
Dos Reis, M.
|Citation:||Nature, 2021; 591(7848):87-91|
|Angela R. Perri, Kieren J. Mitchell ... Kristofer Helgen ... Kieren Mitchell ... Alexander Salis ... Holly Heiniger ... et al.|
|Abstract:||Dire wolves are considered to be one of the most common and widespread large carnivores in Pleistocene America1, yet relatively little is known about their evolution or extinction. Here, to reconstruct the evolutionary history of dire wolves, we sequenced five genomes from sub-fossil remains dating from 13,000 to more than 50,000 years ago. Our results indicate that although they were similar morphologically to the extant grey wolf, dire wolves were a highly divergent lineage that split from living canids around 5.7 million years ago. In contrast to numerous examples of hybridization across Canidae2,3, there is no evidence for gene flow between dire wolves and either North American grey wolves or coyotes. This suggests that dire wolves evolved in isolation from the Pleistocene ancestors of these species. Our results also support an early New World origin of dire wolves, while the ancestors of grey wolves, coyotes and dholes evolved in Eurasia and colonized North America only relatively recently.|
|Description:||Published online: 13 January 2021|
|Rights:||© The Author(s), under exclusive licence to Springer Nature Limited 2021|
|Appears in Collections:||Aurora harvest 8|
Environment Institute publications
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