Journal
HUMAN MUTATION
Volume 17, Issue 4, Pages 271-280Publisher
WILEY
DOI: 10.1002/humu.23
Keywords
SNP; DHPLC; Maori; Y-chromosome haplotypes; mitochondrial DNA; NRY; Polynesian origins; admixture; sex-specific gene flow
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Funding
- NIGMS NIH HHS [GMS 28428] Funding Source: Medline
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [P01GM028428] Funding Source: NIH RePORTER
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An assessment of 28 pertinent binary genetic markers on the non-recombining portion of the Y chromosome (NRY) in New Zealand Maori and other relevant populations has revealed a diverse genetic paternal heritage of extant Maori, A maximum parsimony phylogeny was constructed in which nine of the 25 possible binary haplotypes were observed, Although similar to 40% of the samples have haplotypes of unequivocal European origin, an equivalent number of samples have a single binary haplotype that is also observed in Indonesia and New Guinea, indicative of common indigenous Melanesian ancestry The balance of the lineages has either typical East Asian signatures or alternative compositions consistent with their affinity to Melanesia or New Guinea. Molecular analysis of mtDNA variation confirms the presence of a single predominant characteristic Southeast Asian (9-bp deletion in the Region V) lineage. The Y-chromosome results support a pattern of complex interrelationships between Southeast Asia, Melanesia, and Polynesia, in contrast to mtDNA and linguistic data, which uphold a rapid and homogeneous Austronesian expansion. The Y-chromosome data highlight a distinctive gender modulated pattern of differential gene flow in the history of Polynesia. Hum Mutat 17:271-280, 2001. (C) 2001 Wiley-Liss, Inc.
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