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Type: Journal article
Title: Using hominin introgression to trace modern human dispersals
Author: Teixeira, J.C.
Cooper, A.
Citation: Proceedings of the National Academy of Sciences of USA, 2019; 116(31):15327-15332
Publisher: National Academy of Sciences
Issue Date: 2019
ISSN: 0027-8424
Statement of
João C. Teixeira and Alan Cooper
Abstract: The dispersal of anatomically modern human populations out of Africa and across much of the rest of the world around 55 to 50 thousand years before present (ka) is recorded genetically by the multiple hominin groups they met and interbred with along the way, including the Neandertals and Denisovans. The signatures of these introgression events remain preserved in the genomes of modern-day populations, and provide a powerful record of the sequence and timing of these early migrations, with Asia proving a particularly complex area. At least 3 different hominin groups appear to have been involved in Asia, of which only the Denisovans are currently known. Several interbreeding events are inferred to have taken place east of Wallace's Line, consistent with archaeological evidence of widespread and early hominin presence in the area. However, archaeological and fossil evidence indicates archaic hominins had not spread as far as the Sahul continent (New Guinea, Australia, and Tasmania), where recent genetic evidence remains enigmatic.
Keywords: Human evolution; archaic introgression; anthropology; genetics
Rights: © 2019 Published under the PNAS license.
DOI: 10.1073/pnas.1904824116
Grant ID: ARC
Appears in Collections:Aurora harvest 8
Earth and Environmental Sciences publications

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