Asia Institute - Research Publications

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Author: Adelaar, Karl × End date: 2016 × Start date: 2016 ×

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    Dialects of Malay/Indonesian
    Adelaar, A (Wiley, 2016-11-07)
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    Austronesians in Madagascar: A Critical Assessment of the Works of Paul Ottino and Philippe Beaujard
    Adelaar, A ; Campbell, G (SPRINGER INTERNATIONAL PUBLISHING AG, 2016)
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    Malagasy Genetic Ancestry Comes from an Historical Malay Trading Post in Southeast Borneo
    Brucato, N ; Kusuma, P ; Cox, MP ; Pierron, D ; Purnomo, GA ; Adelaar, A ; Kivisild, T ; Letellier, T ; Sudoyo, H ; Ricaut, F-X (OXFORD UNIV PRESS, 2016-09)
    Malagasy genetic diversity results from an exceptional protoglobalization process that took place over a thousand years ago across the Indian Ocean. Previous efforts to locate the Asian origin of Malagasy highlighted Borneo broadly as a potential source, but so far no firm source populations were identified. Here, we have generated genome-wide data from two Southeast Borneo populations, the Banjar and the Ngaju, together with published data from populations across the Indian Ocean region. We find strong support for an origin of the Asian ancestry of Malagasy among the Banjar. This group emerged from the long-standing presence of a Malay Empire trading post in Southeast Borneo, which favored admixture between the Malay and an autochthonous Borneo group, the Ma'anyan. Reconciling genetic, historical, and linguistic data, we show that the Banjar, in Malay-led voyages, were the most probable Asian source among the analyzed groups in the founding of the Malagasy gene pool.
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    Talen, culturen en genen in het Austronesische taalgebied
    ADELAAR, K (Academische Stichting Leuven, 2016)
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    Contrasting Linguistic and Genetic Origins of the Asian Source Populations of Malagasy
    Kusuma, P ; Brucato, N ; Cox, MP ; Pierron, D ; Razafindrazaka, H ; Adelaar, A ; Sudoyo, H ; Letellier, T ; Ricaut, F-X (NATURE PORTFOLIO, 2016-05-18)
    The Austronesian expansion, one of the last major human migrations, influenced regions as distant as tropical Asia, Remote Oceania and Madagascar, off the east coast of Africa. The identity of the Asian groups that settled Madagascar is particularly mysterious. While language connects Madagascar to the Ma'anyan of southern Borneo, haploid genetic data are more ambiguous. Here, we screened genome-wide diversity in 211 individuals from the Ma'anyan and surrounding groups in southern Borneo. Surprisingly, the Ma'anyan are characterized by a distinct, high frequency genomic component that is not found in Malagasy. This novel genetic layer occurs at low levels across Island Southeast Asia and hints at a more complex model for the Austronesian expansion in this region. In contrast, Malagasy show genomic links to a range of Island Southeast Asian groups, particularly from southern Borneo, but do not have a clear genetic connection with the Ma'anyan despite the obvious linguistic association.