Widespread Denisovan ancestry in Island Southeast Asia but no evidence of substantial super-archaic hominin admixture
Files
Download Full Text
Publication Date
3-22-2021
Publication Title
Nature Ecology & Evolution
Volume Number
5
Abstract
The hominin fossil record of Island Southeast Asia (ISEA) indicates that at least two endemic ‘super-archaic’ species—Homo luzonensis and H. floresiensis—were present around the time anatomically modern humans arrived in the region >50,000 years ago. Intriguingly, contemporary human populations across ISEA carry distinct genomic traces of ancient interbreeding events with Denisovans—a separate hominin lineage that currently lacks a fossil record in ISEA. To query this apparent disparity between fossil and genetic evidence, we performed a comprehensive search for super-archaic introgression in >400 modern human genomes, including >200 from ISEA. Our results corroborate widespread Denisovan ancestry in ISEA populations, but fail to detect any substantial super-archaic admixture signals compatible with the endemic fossil record of ISEA. We discuss the implications of our findings for the understanding of hominin history in ISEA, including future research directions that might help to unlock more details about the prehistory of the enigmatic Denisovans.
Keywords
Denisovans, Hominidae, Human evolution, Population genetics, Genomics
Document Type
Article
Digital Object Identifier (DOI)
https://doi.org/10.1038/s41559-021-01408-0
Language
English
Recommended Citation
Teixeira, João C.; Jacobs, Guy S.; Stringer, Chris; and Tuke, Jonathan, "Widespread Denisovan ancestry in Island Southeast Asia but no evidence of substantial super-archaic hominin admixture" (2021). KIP Articles. 8557.
https://digitalcommons.usf.edu/kip_articles/8557
