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Episodes of diversification and isolation in Island Southeast Asian and Near Oceanian male lineages
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Karmin, Monika; Flores, Rodrigo; Saag, Lauri; Hudjashov, Georgi; Brucato, Nicolas; Crenna-Darusallam, Chelzie; Larena, Maximilian; Endicott, Phillip L.; Jakobsson, Mattias; Lansing, J. Stephen; Sudoyo, Herawati; Leavesley, Matthew; Metspalu, Mait; Ricaut, François-xavier; Cox, Murray P.. - : Oxford University Press, 2022
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Abstract:
Island Southeast Asia and Oceania host one of the world’s richest assemblages of human phenotypic, linguistic and cultural diversity. Despite this, the region’s male genetic lineages are globally among the last to remain unresolved. We compiled ∼9.7 Mb of Y chromosome sequence from a diverse sample of over 380 men from this region, including 152 first reported here. The granularity of this dataset allows us to fully resolve and date the regional Y chromosome phylogeny. This new high-resolution tree confirms two main population bursts: multiple rapid diversifications following the region’s initial settlement ∼50 kya, and extensive expansions <6 kya. Notably, ∼40-25 kya the deep rooting local lineages of C-M130, M-P256, and S-B254 show almost no further branching events in Island Southeast Asia, New Guinea and Australia, matching a similar pause in diversification seen in maternal mitochondrial DNA lineages. The main local lineages start diversifying ∼25 kya, at the time of the Last Glacial Maximum. This improved Y chromosome topology highlights localized events with important historical implications, including pre-Holocene contact between Mainland and Island Southeast Asia, potential interactions between Australia and the Papuan world, and a sustained period of diversification following the flooding of the ancient Sunda and Sahul continents as the insular landscape observed today formed. The high-resolution phylogeny of the Y chromosome presented here thus enables a detailed exploration of past isolation, interaction and change in one of the world’s least understood regions.
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URL: https://researchonline.jcu.edu.au/72756/7/72756.pdf
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Episodes of Diversification and Isolation in Island Southeast Asian and Near Oceanian Male Lineages
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In: Mol Biol Evol (2022)
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Human genetic approaches to Malayo-Polynesian prehistory
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In: The Oxford Guide to the Malayo-Polynesian Languages of Asia and Madagascar ; https://hal.archives-ouvertes.fr/hal-02915656 ; The Oxford Guide to the Malayo-Polynesian Languages of Asia and Madagascar, In press (2020)
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Papuan mitochondrial genomes and the settlement of Sahul
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In: J Hum Genet (2020)
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Papuan mitochondrial genomes and the settlement of Sahul
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In: Faculty of Science, Medicine and Health - Papers: Part B (2020)
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The Comoros Show the Earliest Austronesian Gene Flow into the Swahili Corridor
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In: ISSN: 0002-9297 ; EISSN: 1537-6605 ; American Journal of Human Genetics ; https://hal.archives-ouvertes.fr/hal-02112694 ; American Journal of Human Genetics, Elsevier (Cell Press), 2018, 102 (1), pp.58-68. ⟨10.1016/j.ajhg.2017.11.011⟩ (2018)
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The Comoros Show the Earliest Austronesian Gene Flow into the Swahili Corridor
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In: ISSN: 0002-9297 ; EISSN: 1537-6605 ; American Journal of Human Genetics ; https://hal.archives-ouvertes.fr/hal-02112694 ; American Journal of Human Genetics, Elsevier (Cell Press), 2018, 102 (1), pp.58-68. ⟨10.1016/j.ajhg.2017.11.011⟩ (2018)
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Human Perceptions of Megafaunal Extinction Events Revealed by Linguistic Analysis of Indigenous Oral Traditions
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Investigating the origins of eastern Polynesians using genome-wide data from the Leeward Society Isles
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The Comoros Show the Earliest Austronesian Gene Flow into the Swahili Corridor
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Human Perceptions of Megafaunal Extinction Events Revealed by Linguistic Analysis of Indigenous Oral Traditions
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The Comoros Show the Earliest Austronesian Gene Flow into the Swahili Corridor
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Kinship structures create persistent channels for language transmission. ...
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Kinship structures create persistent channels for language transmission.
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Kinship structures create persistent channels for language transmission
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Contrasting Linguistic and Genetic Origins of the Asian Source Populations of Malagasy
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In: ISSN: 2045-2322 ; EISSN: 2045-2322 ; Scientific Reports ; https://hal.archives-ouvertes.fr/hal-02112772 ; Scientific Reports, Nature Publishing Group, 2016, 6 (1), pp.26066. ⟨10.1038/srep26066⟩ (2016)
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Contrasting Linguistic and Genetic Origins of the Asian Source Populations of Malagasy
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Reconstructing Demography and Social Behavior During the Neolithic Expansion from Genomic Diversity Across Island Southeast Asia
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