Reich, D. and Patterson, N. and Kircher, M. and Delfin, F. and Nandineni, M.R. and Pugach, I. and Ko, A.M.-S. and Ko, Y.-C. and Jinam, T.A. and Phipps, M.E. and Saitou, N. and Wollstein, A. and Kayser, M. and Pääbo, S. and Stoneking, M. (2011) Denisova Admixture and the First Modern Human Dispersals into Southeast Asia and Oceania. The American Journal of Human Genetics, 89 (4). pp. 516-528. ISSN 0002-9297

Text AM J Human Genet 89 p516.pdf Restricted to Repository staff only Download (687Kb) | Request a copy

Abstract

It has recently been shown that ancestors of New Guineans and Bougainville Islanders have inherited a proportion of their ancestry from Denisovans, an archaic hominin group from Siberia. However, only a sparse sampling of populations from Southeast Asia and Oceania were analyzed. Here, we quantify Denisova admixture in 33 additional populations from Asia and Oceania. Aboriginal Australians, Near Oceanians, Polynesians, Fijians, east Indonesians, and Mamanwa (a "Negrito" group from the Philippines) have all inherited genetic material from Denisovans, but mainland East Asians, western Indonesians, Jehai (a Negrito group from Malaysia), and Onge (a Negrito group from the Andaman Islands) have not. These results indicate that Denisova gene flow occurred into the common ancestors of New Guineans, Australians, and Mamanwa but not into the ancestors of the Jehai and Onge and suggest that relatives of present-day East Asians were not in Southeast Asia when the Denisova gene flow occurred. Our finding that descendants of the earliest inhabitants of Southeast Asia do not all harbor Denisova admixture is inconsistent with a history in which the Denisova interbreeding occurred in mainland Asia and then spread over Southeast Asia, leading to all its earliest modern human inhabitants. Instead, the data can be most parsimoniously explained if the Denisova gene flow occurred in Southeast Asia itself. Thus, archaic Denisovans must have lived over an extraordinarily broad geographic and ecological range, from Siberia to tropical Asia.

Item Type:	Article
Additional Information:	[Open Access from the Publisher]
Depositing User:	Users 2 not found.
Date Deposited:	03 Sep 2015 09:42
Last Modified:	08 Dec 2015 10:20
URI:	http://cdfd.sciencecentral.in/id/eprint/464

Actions (login required)

View Item