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Cultural transmission, networks, and clusters among Austronesian-speaking peoples.
Evol Hum Sci
December 2024
School of Zoology, Faculty of Life Sciences, Tel Aviv University, Tel Aviv, Israel.
With its linguistic and cultural diversity, Austronesia is important in the study of evolutionary forces that generate and maintain cultural variation. By analysing publicly available datasets, we have identified four classes of cultural features in Austronesia and distinct clusters within each class. We hypothesized that there are differing modes of transmission and patterns of variation in these cultural classes and that geography alone would be insufficient to explain some of these patterns of variation.
View Article and Find Full Text PDFDelineating the dispersal of Y-chromosome sub-haplogroup O2a2b-P164 among Austronesian-speaking populations.
Sci Rep
January 2024
Department of Molecular Biology, Colorado College, 14 East Cache La Poudre Street, Colorado Springs, CO, 80903-3294, USA.
This article reports on an exploration of the Y-chromosome sub-haplogroup O2a2b-P164 in Austronesian-speaking populations. Moderate to high abundance of the P 164 mutation is seen in the West Pacific including the Amis of Formosa (36%) and the Filipinos of Mindanao (50%) as well as in the Kiritimati of Micronesia (70%), and Tonga and Samoa of West Polynesia (54% and 33%, respectively), and it drops to low frequencies in populations of East Polynesia. The communities of Polynesia and Micronesia exhibit considerable inter- and intra-population haplotype sharing suggesting extensive population affinity.
View Article and Find Full Text PDFReanalyzing the genetic history of Kra-Dai speakers from Thailand and new insights into their genetic interactions beyond Mainland Southeast Asia.
Sci Rep
May 2023
Department of Biology and Ecology, Faculty of Science, University of Ostrava, Ostrava, Czech Republic.
Thailand is a country where over 60 languages from five language families (Austroasiatic, Austronesian, Hmong-Mien, Kra-Dai, and Sino-Tibetan) are spoken. The Kra-Dai language family is the most prevalent, and Thai, the official language of the country, belongs to it. Previous genome-wide studies on Thailand populations revealed a complex population structure and put some hypotheses forward concerning the population history of the country.
View Article and Find Full Text PDFDiversity and distribution of mitochondrial DNA in non-Austronesian-speaking Taiwanese individuals.
Hum Genome Var
January 2023
Molecular Anthropology and Transfusion Medicine Research Laboratory, Mackay Memorial Hospital, Taipei, Taiwan.
Many studies have described the diversity of Austronesian-speaking Taiwanese people to shed more light on their origin and their connection with the "Out of Taiwan" migrations. However, the genetic relationship between the non-Austronesian-speaking groups of Taiwan and the populations of continental Asia is still unclear. Here, we studied the diversity of mtDNA in 767 non-Austronesian speakers from 16 locations in Taiwan using partial sequencing obtained from the hypervariable segment I (HVS-I) and coding regions 8,001-9,000 and 9.
View Article and Find Full Text PDFAnalysis of clinically relevant variants from ancestrally diverse Asian genomes.
Nat Commun
November 2022
SingHealth Duke-NUS Institute of Precision Medicine, Singapore, 169609, Singapore.
Asian populations are under-represented in human genomics research. Here, we characterize clinically significant genetic variation in 9051 genomes representing East Asian, South Asian, and severely under-represented Austronesian-speaking Southeast Asian ancestries. We observe disparate genetic risk burden attributable to ancestry-specific recurrent variants and identify individuals with variants specific to ancestries discordant to their self-reported ethnicity, mostly due to cryptic admixture.
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