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Schurr TG, Shengelia R, Shamoon-Pour M, Chitanava D, Laliashvili S, Laliashvili I, Kibret R, Kume-Kangkolo Y, Akhvlediani I, Bitadze L, Mathieson I, Yardumian A. Genetic Analysis of Mingrelians Reveals Long-Term Continuity of Populations in Western Georgia (Caucasus). Genome Biol Evol 2023; 15:evad198. [PMID: 37935112 PMCID: PMC10665041 DOI: 10.1093/gbe/evad198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/26/2023] [Accepted: 10/28/2023] [Indexed: 11/09/2023] Open
Abstract
To elucidate the population history of the Caucasus, we conducted a survey of genetic diversity in Samegrelo (Mingrelia), western Georgia. We collected DNA samples and genealogical information from 485 individuals residing in 30 different locations, the vast majority of whom being Mingrelian speaking. From these DNA samples, we generated mitochondrial DNA (mtDNA) control region sequences for all 485 participants (female and male), Y-short tandem repeat haplotypes for the 372 male participants, and analyzed all samples at nearly 590,000 autosomal single nucleotide polymorphisms (SNPs) plus around 33,000 on the sex chromosomes, with 27,000 SNP removed for missingness, using the GenoChip 2.0+ microarray. The resulting data were compared with those from populations from Anatolia, the Caucasus, the Near East, and Europe. Overall, Mingrelians exhibited considerable mtDNA haplogroup diversity, having high frequencies of common West Eurasian haplogroups (H, HV, I, J, K, N1, R1, R2, T, U, and W. X2) and low frequencies of East Eurasian haplogroups (A, C, D, F, and G). From a Y-chromosome standpoint, Mingrelians possessed a variety of haplogroups, including E1b1b, G2a, I2, J1, J2, L, Q, R1a, and R1b. Analysis of autosomal SNP data further revealed that Mingrelians are genetically homogeneous and cluster with other modern-day South Caucasus populations. When compared with ancient DNA samples from Bronze Age archaeological contexts in the broader region, these data indicate that the Mingrelian gene pool began taking its current form at least by this period, probably in conjunction with the formation of a distinct linguistic community.
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Affiliation(s)
- Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ramaz Shengelia
- Department of the History of Medicine, Tbilisi State Medical University, Tbilisi, Georgia
| | - Michel Shamoon-Pour
- First-year Research Immersion, Binghamton University, Binghamton, New York, USA
| | - David Chitanava
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi, Georgia
| | - Shorena Laliashvili
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi, Georgia
| | - Irma Laliashvili
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi, Georgia
| | - Redate Kibret
- Department of History and Social Science, Bryn Athyn College, Bryn Athyn, Pennsylvania, USA
| | - Yanu Kume-Kangkolo
- Department of Biology, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | - Lia Bitadze
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi, Georgia
| | - Iain Mathieson
- Department of Genetics, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Aram Yardumian
- Department of History and Social Science, Bryn Athyn College, Bryn Athyn, Pennsylvania, USA
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Aqil A, Gill S, Gokcumen O, Malhi RS, Reese EA, Smith JL, Heaton TT, Lindqvist C. A paleogenome from a Holocene individual supports genetic continuity in Southeast Alaska. iScience 2023; 26:106581. [PMID: 37138779 PMCID: PMC10149335 DOI: 10.1016/j.isci.2023.106581] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 02/27/2023] [Accepted: 04/03/2023] [Indexed: 05/05/2023] Open
Abstract
Many specifics of the population histories of the Indigenous peoples of North America remain contentious owing to a dearth of physical evidence. Only few ancient human genomes have been recovered from the Pacific Northwest Coast, a region increasingly supported as a coastal migration route for the initial peopling of the Americas. Here, we report paleogenomic data from the remains of a ∼3,000-year-old female individual from Southeast Alaska, named Tatóok yík yées sháawat (TYYS). Our results demonstrate at least 3,000 years of matrilineal genetic continuity in Southeast Alaska, and that TYYS is most closely related to ancient and present-day northern Pacific Northwest Coast Indigenous Americans. We find no evidence of Paleo-Inuit (represented by Saqqaq) ancestry in present-day or ancient Pacific Northwest peoples. Instead, our analyses suggest the Saqqaq genome harbors Northern Native American ancestry. This study sheds further light on the human population history of the northern Pacific Northwest Coast.
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Affiliation(s)
- Alber Aqil
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
| | - Stephanie Gill
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
| | - Omer Gokcumen
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
| | - Ripan S. Malhi
- Department of Anthropology and Carl R. Woese Institute for Genomic Biology, University of Illinois Urbana-Champaign, Urbana, IL 61801, USA
| | | | - Jane L. Smith
- USDA-Forest Service, Tongass National Forest, Petersburg, AK 99833, USA
| | - Timothy T. Heaton
- Department of Earth Sciences, University of South Dakota, Vermillion, SD 57069, USA
| | - Charlotte Lindqvist
- Department of Biological Sciences, University at Buffalo, Buffalo, NY 14260, USA
- Corresponding author
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Contrasting maternal and paternal genetic histories among five ethnic groups from Khyber Pakhtunkhwa, Pakistan. Sci Rep 2022; 12:1027. [PMID: 35046511 PMCID: PMC8770644 DOI: 10.1038/s41598-022-05076-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 12/10/2021] [Indexed: 11/24/2022] Open
Abstract
Northwest Pakistan has served as a point of entry to South Asia for different populations since ancient times. However, relatively little is known about the population genetic history of the people residing within this region. To better understand human dispersal in the region within the broader history of the subcontinent, we analyzed mtDNA diversity in 659 and Y-chromosome diversity in 678 individuals, respectively, from five ethnic groups (Gujars, Jadoons, Syeds, Tanolis and Yousafzais), from Swabi and Buner Districts, Khyber Pakhtunkhwa Province, Pakistan. The mtDNAs of all individuals were subject to control region sequencing and SNP genotyping, while Y-chromosomes were analyzed using 54 SNPs and 19 STR loci. The majority of the mtDNAs belonged to West Eurasian haplogroups, with the rest belonging to either South or East Asian lineages. Four of the five Pakistani populations (Gujars, Jadoons, Syeds, Yousafzais) possessed strong maternal genetic affinities with other Pakistani and Central Asian populations, whereas one (Tanolis) did not. Four haplogroups (R1a, R1b, O3, L) among the 11 Y-chromosome lineages observed among these five ethnic groups contributed substantially to their paternal genetic makeup. Gujars, Syeds and Yousafzais showed strong paternal genetic affinities with other Pakistani and Central Asian populations, whereas Jadoons and Tanolis had close affinities with Turkmen populations from Central Asia and ethnic groups from northeast India. We evaluate these genetic data in the context of historical and archeological evidence to test different hypotheses concerning their origins and biological relationships.
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Whiteley P, McConvell P. How Crow-Omaha Skewing Spreads. JOURNAL OF ANTHROPOLOGICAL RESEARCH 2021. [DOI: 10.1086/716742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Gómez R, Vilar MG, Meraz-Ríos MA, Véliz D, Zúñiga G, Hernández-Tobías EA, Figueroa-Corona MDP, Owings AC, Gaieski JB, Schurr TG. Y chromosome diversity in Aztlan descendants and its implications for the history of Central Mexico. iScience 2021; 24:102487. [PMID: 34036249 PMCID: PMC8138773 DOI: 10.1016/j.isci.2021.102487] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 12/08/2020] [Accepted: 04/27/2021] [Indexed: 11/16/2022] Open
Abstract
Native Mexican populations are crucial for understanding the genetic ancestry of Aztec descendants and coexisting ethnolinguistic groups in the Valley of Mexico and elucidating the population dynamics of the prehistoric colonization of the Americas. Mesoamerican societies were multicultural in nature and also experienced significant admixture during Spanish colonization of the region. Despite these facts, Native Mexican Y chromosome diversity has been greatly understudied. To further elucidate their genetic history, we conducted a high-resolution Y chromosome analysis with Chichimecas, Nahuas, Otomies, Popolocas, Tepehuas, and Totonacas using 19 Y-short tandem repeat and 21 single nucleotide polymorphism loci. We detected enormous paternal genetic diversity in these groups, with haplogroups Q-MEH2, Q-M3, Q-Z768, Q-L663, Q-Z780, and Q-PV3 being identified. These data affirmed the southward colonization of the Americas via Beringia and connected Native Mexicans with indigenous populations from South-Central Siberia and Canada. They also suggested that multiple population dispersals gave rise to Y chromosome diversity in these populations. Enormous Y chromosome diversity observed in Native Mexican populations. Haplogroups Q-MEH2, Q-M3, Q-Z768, Q-L663, Q-Z780, and Q-PV3 were identified. Patterns of Y chromosome diversity not shaped by ethnicity, geography, or language. Multiple population dispersals contributed to Y chromosome diversity in Mexico.
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Affiliation(s)
- Rocío Gómez
- Departamento de Toxicología, CINVESTAV-IPN, Mexico City 07360, Mexico
| | - Miguel G Vilar
- Department of Anthropology, University of Pennsylvania, Philadelphia, PA 19104-6398, USA.,National Geographic Society, Washington, DC 20005, USA
| | | | - David Véliz
- Departamento de Ciencias Ecológicas, Instituto de Ecología y Biodiversidad, Facultad de Ciencias, Universidad de Chile, Santiago 7800003, Chile.,Núcleo Milenio de Ecología y Manejo Sustentable de Islas Oceánicas, Departamento de Biología Marina, Universidad Católica del Norte, Coquimbo 1781421, Chile
| | - Gerardo Zúñiga
- Departamento de Zoología, Laboratorio de Variación Biológica y Evolución, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Mexico City 11340, Mexico
| | | | | | - Amanda C Owings
- Department of Anthropology, University of Pennsylvania, Philadelphia, PA 19104-6398, USA
| | - Jill B Gaieski
- Department of Anthropology, University of Pennsylvania, Philadelphia, PA 19104-6398, USA
| | - Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, PA 19104-6398, USA
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Sun J, Ma PC, Cheng HZ, Wang CZ, Li YL, Cui YQ, Yao HB, Wen SQ, Wei LH. Post-last glacial maximum expansion of Y-chromosome haplogroup C2a-L1373 in northern Asia and its implications for the origin of Native Americans. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2021; 174:363-374. [PMID: 33241578 DOI: 10.1002/ajpa.24173] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 10/10/2020] [Accepted: 11/04/2020] [Indexed: 02/05/2023]
Abstract
OBJECTIVES Subbranches of Y-chromosome haplogroup C2a-L1373 are founding paternal lineages in northern Asia and Native American populations. Our objective was to investigate C2a-L1373 differentiation in northern Asia and its implications for Native American origins. MATERIALS AND METHODS Sequences of rare subbranches (n = 43) and ancient individuals (n = 37) of C2a-L1373 (including P39 and MPB373), were used to construct phylogenetic trees with age estimation by BEAST software. RESULTS C2a-L1373 expanded rapidly approximately 17.7,000-14.3,000 years ago (kya) after the last glacial maximum (LGM), generating numerous sublineages which became founding paternal lineages of modern northern Asian and Native American populations (C2a-P39 and C2a-MPB373). The divergence pattern supports possible initiation of differentiation in low latitude regions of northern Asia and northward diffusion after the LGM. There is a substantial gap between the divergence times of C2a-MPB373 (approximately 22.4 or 17.7 kya) and C2a-P39 (approximately 14.3 kya), indicating two possible migration waves. DISCUSSION We discussed the decreasing time interval of "Beringian standstill" (2.5 ky or smaller) and its reduced significance. We also discussed the multiple possibilities for the peopling of the Americas: the "Long-term Beringian standstill model," the "Short-term Beringian standstill model," and the "Multiple waves of migration model." Our results support the argument from ancient DNA analyses that the direct ancestor group of Native Americans is an admixture of "Ancient Northern Siberians" and Paleolithic communities from the Amur region, which appeared during the post-LGM era, rather than ancient populations in greater Beringia, or an adjacent region, before the LGM.
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Affiliation(s)
- Jin Sun
- Department of Anthropology and Ethnology, Institute of Anthropology, Xiamen University, Xiamen, China
- Xingyi Normal University for Nationalities, Xingyi, China
| | - Peng-Cheng Ma
- School of Life Sciences, Jilin University, Changchun, China
| | - Hui-Zhen Cheng
- Department of Anthropology and Ethnology, Institute of Anthropology, Xiamen University, Xiamen, China
| | - Chi-Zao Wang
- Department of Radiology, The First Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Yong-Lan Li
- School of Ethnology and Anthropology, Inner Mongolia Normal University, Hohhot, China
| | - Yin-Qiu Cui
- School of Life Sciences, Jilin University, Changchun, China
| | - Hong-Bin Yao
- Key Laboratory of Evidence Science of Gansu Province, Gansu University of Political Science and Law, Lanzhou, China
| | - Shao-Qing Wen
- Institute of Archaeological Science, Fudan University, Shanghai, China
- B&R International Joint Laboratory for Eurasian Anthropology, Fudan University, Shanghai, China
| | - Lan-Hai Wei
- Department of Anthropology and Ethnology, Institute of Anthropology, Xiamen University, Xiamen, China
- B&R International Joint Laboratory for Eurasian Anthropology, Fudan University, Shanghai, China
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Zubair M, Hemphill BE, Schurr TG, Tariq M, Ilyas M, Ahmad H. Mitochondrial DNA diversity in the Khattak and Kheshgi of the Peshawar Valley, Pakistan. Genetica 2020; 148:195-206. [PMID: 32607672 DOI: 10.1007/s10709-020-00095-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 05/12/2020] [Indexed: 11/29/2022]
Abstract
The strategic location of Pakistan and its presence at the crossroads of Asia has resulted in it playing a central role in both prehistoric and historic human migratory events, thereby linking and facilitating contacts between the inhabitants of the Middle East, Central Asia, China and South Asia. Despite the importance of this region and its inhabitants for our understanding of modern human origins and population dispersals, the nature of mitochondrial DNA (mtDNA) variation among members of the myriad populations of this area has largely been unexplored. Here, we report mtDNA control region sequences in 58 individuals from the Khattak and the Kheshgi, two major Pakhtun tribes residing within the Peshawar Valley of northwestern Pakistan. The results reveal that these ethnic groups are genetically heterogeneous, having 55.7% West Eurasian, 33.9% South Asian and 10.2% East Asian haplogroups. The genetic diversity observed for the Kheshgi was somewhat higher than that of the Khattak. A multidimensional scaling plot based on haplogroup frequencies for the Khattak, Kheshgi and neighboring populations indicates that the Khattak have close affinities with Baluch, Uzbek and Kazak populations but are only distantly related to the Kheshgi and other Pakistani populations. By contrast, the Kheshgi cluster closely with other Pakhtun or Pathan populations of Pakistan, suggesting a possible common maternal gene pool shared amongst them. These mtDNA data allow us to begin reconstructing the origins of the Khattak and Kheshgi and describe their complex interactions with populations from the surrounding regions.
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Affiliation(s)
- Muhammad Zubair
- Department of Zoology, Hazara University Mansehra, Mansehra, 21120, Pakistan.,Department of Genetics, Hazara University Mansehra, Mansehra, 21120, Pakistan
| | - Brian E Hemphill
- Department of Anthropology, University of Alaska, Fairbanks, AK, 99775, USA
| | - Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, 19104, USA
| | - Muhammad Tariq
- Centre for Omic Sciences, Islamia College Peshawar, Peshawar, 25120, Pakistan
| | - Muhammad Ilyas
- Centre for Omic Sciences, Islamia College Peshawar, Peshawar, 25120, Pakistan
| | - Habib Ahmad
- Department of Genetics, Hazara University Mansehra, Mansehra, 21120, Pakistan. .,Centre for Omic Sciences, Islamia College Peshawar, Peshawar, 25120, Pakistan.
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Tackney J, Jensen AM, Kisielinski C, O'Rourke DH. Molecular analysis of an ancient Thule population at Nuvuk, Point Barrow, Alaska. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2019; 168:303-317. [PMID: 30628076 DOI: 10.1002/ajpa.23746] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 10/05/2018] [Accepted: 10/16/2018] [Indexed: 11/09/2022]
Abstract
OBJECTIVES The North American archaeological record supports a Holocene origin of Arctic Indigenous peoples. Although the Paleo-Inuit were present for millennia, archaeological and genetic studies suggest that modern peoples descend from a second, more recent tradition known as the Neo-Inuit. Origins of the Neo-Inuit and their relations to the earlier and later Indigenous peoples are an area of active study. Here, we genetically analyze the maternal lineages present at Nuvuk, once the northernmost community in Alaska and located in a region identified as a possible origin point of the Neo-Inuit Thule. The cemetery at Nuvuk contains human remains representing a nearly one thousand year uninterrupted occupation from early Thule to post-contact Iñupiat. MATERIALS AND METHODS We selected 44 individuals from Nuvuk with calibrated dates between 981 AD and 1885 AD for molecular analysis. We amplified and sequenced the hypervariable segment I of the mitogenome. We compared the Nuvuk data with previously published sequences from 68 modern and ancient communities from across Asia and North America. Phylogeographic analyses suggest possible scenarios of Holocene Arctic and sub-Arctic population movements. RESULTS We successfully retrieved sequence data from 39 individuals. Haplogroup frequencies in Nuvuk were typed as 66.7% A2b1, 25.6% A2a, and 7.7% D4b1a2a1a. These results suggest that the population at Nuvuk was closest to the ancient Thule and modern Inuit of Canada, and to the Siberian Naukan people. We confirm that haplogroups A2a, A2b1, D2a, and D4b1a2a1a appear at high frequency in Arctic and sub-Arctic populations of North America and Chukotka. Sister clades D2b and D4b1a2a1b are present in Asian and Eastern European populations. DISCUSSION The ancient mitochondrial sequences from Nuvuk confirm the link between the North Slope and the Thule who later spread east, and the maternal discontinuity between the Neo-Inuit and Paleo-Inuit. We suggest haplogroups A2a, A2b, and D4b1a2a1a are linked to the ancestors of the Thule in eastern Beringia, whereas the D2 and D4b1a2a1 clades appear to have Asian Holocene origins. Further Siberian and Alaskan genomes are necessary to clarify these population migrations beyond a simple two-wave scenario of Neo-Inuit and Paleo-Inuit.
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Affiliation(s)
- Justin Tackney
- Department of Anthropology, University of Kansas, Lawrence, Kansas
| | - Anne M Jensen
- UIC Science LLC, Barrow, Alaska.,Department of Anthropology, University of Alaska Fairbanks, Fairbanks, Alaska
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Benn Torres J, Martucci V, Aldrich MC, Vilar MG, MacKinney T, Tariq M, Gaieski JB, Bharath Hernandez R, Browne ZE, Stevenson M, Walters W, Schurr TG. Analysis of biogeographic ancestry reveals complex genetic histories for indigenous communities of St. Vincent and Trinidad. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2019; 169:482-497. [PMID: 31125126 DOI: 10.1002/ajpa.23859] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 05/09/2019] [Accepted: 05/13/2019] [Indexed: 11/07/2022]
Abstract
OBJECTIVES From a genetic perspective, relatively little is known about how mass emigrations of African, European, and Asian peoples beginning in the 16th century affected Indigenous Caribbean populations. Therefore, we explored the impact of serial colonization on the genetic variation of the first Caribbean islanders. MATERIALS AND METHODS Sixty-four members of St. Vincent's Garifuna Community and 36 members of Trinidad's Santa Rosa First People's Community (FPC) of Arima were characterized for mitochondrial DNA and Y-chromosome diversity via direct sequencing and targeted SNP and STR genotyping. A subset of 32 Garifuna and 18 FPC participants were genotyped using the GenoChip 2.0 microarray. The resulting data were used to examine genetic diversity, admixture, and sex biased gene flow in the study communities. RESULTS The Garifuna were most genetically comparable to African descendant populations, whereas the FPC were more similar to admixed American groups. Both communities also exhibited moderate frequencies of Indigenous American matrilines and patrilines. Autosomal SNP analysis indicated modest Indigenous American ancestry in these populations, while both showed varying degrees of African, European, South Asian, and East Asian ancestry, with patterns of sex-biased gene flow differing between the island communities. DISCUSSION These patterns of genetic variation are consistent with historical records of migration, forced, or voluntary, and suggest that different migration events shaped the genetic make-up of each island community. This genomic study is the highest resolution analysis yet conducted with these communities, and provides a fuller understanding of the complex bio-histories of Indigenous Caribbean peoples in the Lesser Antilles.
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Affiliation(s)
- Jada Benn Torres
- Department of Anthropology, Vanderbilt University, Nashville, Tennessee.,Department of Anthropology, University of Notre Dame, Notre Dame, Indiana
| | - Victoria Martucci
- Department of Thoracic Surgery and Division of Epidemiology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Melinda C Aldrich
- Department of Thoracic Surgery and Division of Epidemiology, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Miguel G Vilar
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania.,Science and Exploration, National Geographic Society, Washington, District of Columbia
| | - Taryn MacKinney
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Muhammad Tariq
- Department of Anthropology, Vanderbilt University, Nashville, Tennessee.,Department of Genetics, Hazara University, Mansehra, KP, Pakistan
| | - Jill B Gaieski
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | - Zoila E Browne
- The Garifuna Heritage Foundation Inc., Kingstown, St. Vincent
| | | | - Wendell Walters
- The Garifuna Heritage Foundation Inc., Kingstown, St. Vincent.,Sandy Bay Village, St. Vincent
| | - Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania
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Szathmáry EJE, Zegura SL, Hammer MF. Exceeding Hrdlička's aims: 100 Years of genetics in anthropology. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2018; 165:754-776. [PMID: 29574830 DOI: 10.1002/ajpa.23406] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 12/21/2017] [Accepted: 12/21/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Emőke J E Szathmáry
- Department of Anthropology, St. Paul's College, University of Manitoba, 70 Dysart Road, Winnipeg, Manitoba, R3T 2M6, Canada
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Yardumian A, Shengelia R, Chitanava D, Laliashvili S, Bitadze L, Laliashvili I, Villanea F, Sanders A, Azzam A, Groner V, Edleson K, Vilar MG, Schurr TG. Genetic diversity in Svaneti and its implications for the human settlement of the Highland Caucasus. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2017; 164:837-852. [PMID: 29076141 DOI: 10.1002/ajpa.23324] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 07/19/2017] [Accepted: 09/10/2017] [Indexed: 11/11/2022]
Abstract
OBJECTIVES In this study, we characterized genetic diversity in the Svans from northwestern Georgia to better understand the phylogeography of their genetic lineages, determine whether genetic diversity in the highland South Caucasus has been shaped by language or geography, and assess whether Svan genetic diversity was structured by regional residence patterns. MATERIALS AND METHODS We analyzed mtDNA and Y-chromosome variation in 184 individuals from 13 village districts and townlets located throughout the region. For all individuals, we analyzed mtDNA diversity through control region sequencing, and, for males, we analyzed Y-chromosome diversity through SNP and STR genotyping. The resulting data were compared with those for populations from the Caucasus and Middle East. RESULTS We observed significant mtDNA heterogeneity in Svans, with haplogroups U1-U7, H, K, and W6 being common there. By contrast, ∼78% of Svan males belonged to haplogroup G2a, with the remainder falling into four other haplogroups (J2a1, I2, N, and R1a). While showing a distinct genetic profile, Svans also clustered with Caucasus populations speaking languages from different families, suggesting a deep common ancestry for all of them. The mtDNA data were not structured by geography or linguistic affiliation, whereas the NRY data were influenced only by geography. DISCUSSION These patterns of genetic variation confirm a complex set of geographic sources and settlement phases for the Caucasus highlands. Such patterns may also reflect social and cultural practices in the region. The high frequency and antiquity of Y-chromosome haplogroup G2a in this region further points to its emergence there.
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Affiliation(s)
- Aram Yardumian
- Department of History and Social Sciences, Bryn Athyn College, Pennsylvania 19009.,Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Ramaz Shengelia
- Department of the History of Medicine and Bioethics, Tbilisi State Medical University, Tbilisi 01747, Georgia
| | - David Chitanava
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi 0102, Georgia
| | - Shorena Laliashvili
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi 0102, Georgia
| | - Lia Bitadze
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi 0102, Georgia
| | - Irma Laliashvili
- Laboratory for Anthropologic Studies, Ivane Javakhishvili Institute of History and Ethnology, Tbilisi 0102, Georgia
| | - Fernando Villanea
- Grant Programs, Science and Exploration, National Geographic Society, Washington, DC 20036
| | - Akiva Sanders
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Andrew Azzam
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Victoria Groner
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Kristi Edleson
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104
| | - Miguel G Vilar
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104.,Grant Programs, Science and Exploration, National Geographic Society, Washington, DC 20036
| | - Theodore G Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania 19104
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Ancient individuals from the North American Northwest Coast reveal 10,000 years of regional genetic continuity. Proc Natl Acad Sci U S A 2017; 114:4093-4098. [PMID: 28377518 DOI: 10.1073/pnas.1620410114] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Recent genomic studies of both ancient and modern indigenous people of the Americas have shed light on the demographic processes involved during the first peopling. The Pacific Northwest Coast proves an intriguing focus for these studies because of its association with coastal migration models and genetic ancestral patterns that are difficult to reconcile with modern DNA alone. Here, we report the low-coverage genome sequence of an ancient individual known as "Shuká Káa" ("Man Ahead of Us") recovered from the On Your Knees Cave (OYKC) in southeastern Alaska (archaeological site 49-PET-408). The human remains date to ∼10,300 calendar (cal) y B.P. We also analyze low-coverage genomes of three more recent individuals from the nearby coast of British Columbia dating from ∼6,075 to 1,750 cal y B.P. From the resulting time series of genetic data, we show that the Pacific Northwest Coast exhibits genetic continuity for at least the past 10,300 cal y B.P. We also infer that population structure existed in the late Pleistocene of North America with Shuká Káa on a different ancestral line compared with other North American individuals from the late Pleistocene or early Holocene (i.e., Anzick-1 and Kennewick Man). Despite regional shifts in mtDNA haplogroups, we conclude from individuals sampled through time that people of the northern Northwest Coast belong to an early genetic lineage that may stem from a late Pleistocene coastal migration into the Americas.
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Santana C, Noris G, Meraz-Ríos MA, Magaña JJ, Calderon-Aranda ES, Muñoz MDL, Gómez R. Genetic analysis of 17 Y-STRs in a Mestizo population from the Central Valley of Mexico. Hum Biol 2016; 86:289-312. [PMID: 25959695 DOI: 10.13110/humanbiology.86.4.0289] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
This study aims to portray the complex diversity of the Mexican Mestizo population, which represents 98.8% of the entire population of Mexico. We compiled extended haplotype data of the Y chromosome from populations in the Central Valley of Mexico (CVM), which we compared with other Mestizo and parental (Amerindian, European, and African) populations. A complex ancestral relationship was found in the CVM population, suggesting cosmopolitan origins. Nevertheless, the most preeminent lineages point toward a European ancestry, where the R1b lineage was most frequent. In addition, important frequencies of Amerindian lineages were also found in the Mestizo sample studied. Interestingly, the Amerindian ancestry showed a remarkable substructure, which was represented by the two main founding lineages: QL54 (× M3) and M3. However, even within each lineage a high diversity was found despite the small number of sample bearers of these lineages. Further, we detected important genetic differences between the CVM populations and the Mexican Mestizo populations from the north and south. This result points to the fact that Mestizo populations present different ancestral proportions, which are related to the demographic events that gave origin to each population. Finally, we provide additional forensic statistical parameters that are useful in the interpretation of genetic analysis where autosomal loci are limited. Our findings illustrate the complex genetic background of the Mexican Mestizo population and reinforce the need to encompass more geographic regions to generate more robust data for forensic applications.
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Affiliation(s)
- Carla Santana
- 1 Laboratorio Biología Molecular Diagnóstica, Querétaro, Qro, México
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Raff JA, Rzhetskaya M, Tackney J, Hayes MG. Mitochondrial diversity of Iñupiat people from the Alaskan North Slope provides evidence for the origins of the Paleo- and Neo-Eskimo peoples. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 157:603-14. [PMID: 25884279 DOI: 10.1002/ajpa.22750] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Revised: 03/11/2015] [Accepted: 03/14/2015] [Indexed: 11/08/2022]
Abstract
OBJECTIVES All modern Iñupiaq speakers share a common origin, the result of a recent (∼800 YBP) and rapid trans-Arctic migration by the Neo-Eskimo Thule, who replaced the previous Paleo-Eskimo inhabitants of the region. Reduced mitochondrial haplogroup diversity in the eastern Arctic supports the archaeological hypothesis that the migration occurred in an eastward direction. We tested the hypothesis that the Alaskan North Slope served as the origin of the Neo- and Paleo-Eskimo populations further east. MATERIALS AND METHODS We sequenced HVR I and HVR II of the mitochondrial D-loop from 151 individuals in eight Alaska North Slope communities, and compared genetic diversity and phylogenetic relationships between the North Slope Inupiat and other Arctic populations from Siberia, the Aleutian Islands, Canada, and Greenland. RESULTS Mitochondrial lineages from the North Slope villages had a low frequency (2%) of non-Arctic maternal admixture, and all haplogroups (A2, A2a, A2b, D2a, and D4b1a-formerly known as D3) found in previously sequenced Neo- and Paleo-Eskimos and living Inuit and Eskimo peoples from across the North American Arctic. Lineages basal for each haplogroup were present in the North Slope. We also found the first occurrence of two haplogroups in contemporary North American Arctic populations: D2a, previously identified only in Aleuts and Paleo-Eskimos, and the pan-American C4. DISCUSSION Our results yield insight into the maternal population history of the Alaskan North Slope and support the hypothesis that this region served as an ancestral pool for eastward movements to Canada and Greenland, for both the Paleo-Eskimo and Neo-Eskimo populations.
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Affiliation(s)
- Jennifer A Raff
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611
| | - Margarita Rzhetskaya
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611
| | - Justin Tackney
- Department of Anthropology, University of Utah, Salt Lake City, UT, 84112
| | - M Geoffrey Hayes
- Division of Endocrinology, Metabolism and Molecular Medicine, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611.,Department of Anthropology, Northwestern University, Evanston, IL, 60208.,Center for Genetic Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611
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Messina F, Finocchio A, Rolfo MF, De Angelis F, Rapone C, Coletta M, Martínez-Labarga C, Biondi G, Berti A, Rickards O. Traces of forgotten historical events in mountain communities in Central Italy: A genetic insight. Am J Hum Biol 2015; 27:508-19. [PMID: 25728801 DOI: 10.1002/ajhb.22677] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 11/20/2014] [Accepted: 12/20/2014] [Indexed: 01/16/2023] Open
Abstract
OBJECTIVES Analysis of human genetic variation in mountain communities can shed light on the peopling of mountainous regions, perhaps revealing whether the remote geographic location spared them from outside invasion and preserved their gene pool from admixture. In this study, we created a model to assess genetic traces of historical events by reconstructing the paternal and maternal genetic history of seven small mountain villages in inland valleys of Central Italy. METHODS The communities were selected for their geographic isolation, attested biodemographic stability, and documented history prior to the Roman conquest. We studied the genetic structure by analyzing two hypervariable segments (HVS-I and HVS-II) of the mtDNA D-loop and several informative single nucleotide polymorphisms (SNPs) of the mtDNA coding region in 346 individuals, in addition to 17 short tandem repeats (STRs) and Y-chromosome SNPs in 237 male individuals. RESULTS For both uniparental markers, most of the haplogroups originated in Western Europe while some Near Eastern haplogroups were identified at low frequencies. However, there was an evident genetic similarity between the Central Italian samples and Near Eastern populations mainly in the male genetic pool. CONCLUSIONS The samples highlight an overall European genetic pattern both for mtDNA and Y chromosome. Notwithstanding this scenario, Y chromosome haplogroup Q, a common paternal lineage in Central/Western Asia but almost Europe-wide absent, was found, suggesting that Central Italy could have hosted a settlement from Anatolia that might be supported by cultural, topographic and genetic evidence.
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Affiliation(s)
- Francesco Messina
- Department of Biology, Center of Molecular Anthropology for ancient DNA study, University of Rome 'Tor Vergata', Via della Ricerca Scientifica n. 1, 00133, Rome, Italy
| | - Andrea Finocchio
- Department of Biology, Center of Molecular Anthropology for ancient DNA study, University of Rome 'Tor Vergata', Via della Ricerca Scientifica n. 1, 00133, Rome, Italy
| | - Mario Federico Rolfo
- Department of Historical, Philosophical and Social Sciences, Cultural and Territory Heritage, University of Rome 'Tor Vergata', Via Columbia n. 1, 00173, Rome, Italy
| | - Flavio De Angelis
- Department of Biology, Center of Molecular Anthropology for ancient DNA study, University of Rome 'Tor Vergata', Via della Ricerca Scientifica n. 1, 00133, Rome, Italy
| | - Cesare Rapone
- Carabinieri, Scientific Investigation Department, Viale di Tor di Quinto 151, 00191, Rome, Italy
| | - Martina Coletta
- Department of Biology, Center of Molecular Anthropology for ancient DNA study, University of Rome 'Tor Vergata', Via della Ricerca Scientifica n. 1, 00133, Rome, Italy
| | - Cristina Martínez-Labarga
- Department of Biology, Center of Molecular Anthropology for ancient DNA study, University of Rome 'Tor Vergata', Via della Ricerca Scientifica n. 1, 00133, Rome, Italy
| | - Gianfranco Biondi
- Department of Environmental Sciences, University of L'Aquila, Via Vetoio, 67010, L'Aquila, Italy
| | - Andrea Berti
- Carabinieri, Scientific Investigation Department, Viale di Tor di Quinto 151, 00191, Rome, Italy
| | - Olga Rickards
- Department of Biology, Center of Molecular Anthropology for ancient DNA study, University of Rome 'Tor Vergata', Via della Ricerca Scientifica n. 1, 00133, Rome, Italy
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Olofsson JK, Pereira V, Børsting C, Morling N. Peopling of the North Circumpolar Region--insights from Y chromosome STR and SNP typing of Greenlanders. PLoS One 2015; 10:e0116573. [PMID: 25635810 PMCID: PMC4312058 DOI: 10.1371/journal.pone.0116573] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Accepted: 12/04/2014] [Indexed: 11/18/2022] Open
Abstract
The human population in Greenland is characterized by migration events of Paleo- and Neo-Eskimos, as well as admixture with Europeans. In this study, the Y-chromosomal variation in male Greenlanders was investigated in detail by typing 73 Y-chromosomal single nucleotide polymorphisms (Y-SNPs) and 17 Y-chromosomal short tandem repeats (Y-STRs). Approximately 40% of the analyzed Greenlandic Y chromosomes were of European origin (I-M170, R1a-M513 and R1b-M343). Y chromosomes of European origin were mainly found in individuals from the west and south coasts of Greenland, which is in agreement with the historic records of the geographic placements of European settlements in Greenland. Two Inuit Y-chromosomal lineages, Q-M3 (xM19, M194, L663, SA01 and L766) and Q-NWT01 (xM265) were found in 23% and 31% of the male Greenlanders, respectively. The time to the most recent common ancestor (TMRCA) of the Q-M3 lineage of the Greenlanders was estimated to be between 4,400 and 10,900 years ago (y. a.) using two different methods. This is in agreement with the theory that the North Circumpolar Region was populated via a second expansion of humans in the North American continent. The TMRCA of the Q-NWT01 (xM265) lineage in Greenland was estimated to be between 7,000 and 14,300 y. a. using two different methods, which is older than the previously reported TMRCA of this lineage in other Inuit populations. Our results indicate that Inuit individuals carrying the Q-NWT01 (xM265) lineage may have their origin in the northeastern parts of North America and could be descendants of the Dorset culture. This in turn points to the possibility that the current Inuit population in Greenland is comprised of individuals of both Thule and Dorset descent.
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Affiliation(s)
- Jill Katharina Olofsson
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- * E-mail:
| | - Vania Pereira
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Claus Børsting
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Niels Morling
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Mitochondrial genome diversity at the Bering Strait area highlights prehistoric human migrations from Siberia to northern North America. Eur J Hum Genet 2015; 23:1399-404. [PMID: 25564040 DOI: 10.1038/ejhg.2014.286] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 11/12/2014] [Accepted: 12/02/2014] [Indexed: 11/09/2022] Open
Abstract
The patterns of prehistoric migrations across the Bering Land Bridge are far from being completely understood: there still exists a significant gap in our knowledge of the population history of former Beringia. Here, through comprehensive survey of mitochondrial DNA genomes retained in 'relic' populations, the Maritime Chukchi, Siberian Eskimos, and Commander Aleuts, we explore genetic contribution of prehistoric Siberians/Asians to northwestern Native Americans. Overall, 201 complete mitochondrial sequences (52 new and 149 published) were selected in the reconstruction of trees encompassing mtDNA lineages that are restricted to Coastal Chukotka and Alaska, the Canadian Arctic, Greenland, and the Aleutian chain. Phylogeography of the resulting mtDNA genomes (mitogenomes) considerably extends the range and intrinsic diversity of haplogroups (eg, A2a, A2b, D2a, and D4b1a2a1) that emerged and diversified in postglacial central Beringia, defining independent origins of Neo-Eskimos versus Paleo-Eskimos, Aleuts, and Tlingit (Na-Dene). Specifically, Neo-Eskimos, ancestral to modern Inuit, not only appear to be of the High Arctic origin but also to harbor Altai/Sayan-related ancestry. The occurrence of the haplogroup D2a1b haplotypes in Chukotka (Sireniki) introduces the possibility that the traces of Paleo-Eskimos have not been fully erased by spread of the Neo-Eskimos or their descendants. Our findings are consistent with the recurrent gene flow model of multiple streams of expansions to northern North America from northeastern Eurasia in late Pleistocene-early Holocene.
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Vilar MG, Melendez C, Sanders AB, Walia A, Gaieski JB, Owings AC, Schurr TG. Genetic diversity in Puerto Rico and its implications for the peopling of the Island and the West Indies. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2014; 155:352-68. [PMID: 25043798 DOI: 10.1002/ajpa.22569] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Revised: 06/30/2014] [Accepted: 07/01/2014] [Indexed: 01/05/2023]
Abstract
Puerto Rico and the surrounding islands rest on the eastern fringe of the Caribbean's Greater Antilles, located less than 100 miles northwest of the Lesser Antilles. Puerto Ricans are genetic descendants of pre-Columbian peoples, as well as peoples of European and African descent through 500 years of migration to the island. To infer these patterns of pre-Columbian and historic peopling of the Caribbean, we characterized genetic diversity in 326 individuals from the southeastern region of Puerto Rico and the island municipality of Vieques. We sequenced the mitochondrial DNA (mtDNA) control region of all of the samples and the complete mitogenomes of 12 of them to infer their putative place of origin. In addition, we genotyped 121 male samples for 25 Y-chromosome single nucleotide polymorphism and 17 STR loci. Approximately 60% of the participants had indigenous mtDNA haplotypes (mostly from haplogroups A2 and C1), while 25% had African and 15% European haplotypes. Three A2 sublineages were unique to the Greater Antilles, one of which was similar to Mesoamerican types, while C1b haplogroups showed links to South America, suggesting that people reached the island from the two distinct continental source areas. However, none of the male participants had indigenous Y-chromosomes, with 85% of them instead being European/Mediterranean and 15% sub-Saharan African in origin. West Eurasian Y-chromosome short tandem repeat haplotypes were quite diverse and showed similarities to those observed in southern Europe, North Africa and the Middle East. These results attest to the distinct, yet equally complex, pasts for the male and female ancestors of modern day Puerto Ricans.
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Affiliation(s)
- Miguel G Vilar
- Department of Anthropology, University of Pennsylvania, Philadelphia, PA, 19104-6398
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Elhaik E, Greenspan E, Staats S, Krahn T, Tyler-Smith C, Xue Y, Tofanelli S, Francalacci P, Cucca F, Pagani L, Jin L, Li H, Schurr TG, Greenspan B, Spencer Wells R. The GenoChip: a new tool for genetic anthropology. Genome Biol Evol 2013; 5:1021-31. [PMID: 23666864 PMCID: PMC3673633 DOI: 10.1093/gbe/evt066] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The Genographic Project is an international effort aimed at charting human migratory history. The project is nonprofit and nonmedical, and, through its Legacy Fund, supports locally led efforts to preserve indigenous and traditional cultures. Although the first phase of the project was focused on uniparentally inherited markers on the Y-chromosome and mitochondrial DNA (mtDNA), the current phase focuses on markers from across the entire genome to obtain a more complete understanding of human genetic variation. Although many commercial arrays exist for genome-wide single-nucleotide polymorphism (SNP) genotyping, they were designed for medical genetic studies and contain medically related markers that are inappropriate for global population genetic studies. GenoChip, the Genographic Project’s new genotyping array, was designed to resolve these issues and enable higher resolution research into outstanding questions in genetic anthropology. The GenoChip includes ancestry informative markers obtained for over 450 human populations, an ancient human (Saqqaq), and two archaic hominins (Neanderthal and Denisovan) and was designed to identify all known Y-chromosome and mtDNA haplogroups. The chip was carefully vetted to avoid inclusion of medically relevant markers. To demonstrate its capabilities, we compared the FST distributions of GenoChip SNPs to those of two commercial arrays. Although all arrays yielded similarly shaped (inverse J) FST distributions, the GenoChip autosomal and X-chromosomal distributions had the highest mean FST, attesting to its ability to discern subpopulations. The chip performances are illustrated in a principal component analysis for 14 worldwide populations. In summary, the GenoChip is a dedicated genotyping platform for genetic anthropology. With an unprecedented number of approximately 12,000 Y-chromosomal and approximately 3,300 mtDNA SNPs and over 130,000 autosomal and X-chromosomal SNPs without any known health, medical, or phenotypic relevance, the GenoChip is a useful tool for genetic anthropology and population genetics.
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Affiliation(s)
- Eran Elhaik
- Department of Mental Health, Johns Hopkins University Bloomberg School of Public Health, USA
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Villanea FA, Bolnick DA, Monroe C, Worl R, Cambra R, Leventhal A, Kemp BM. Brief communication: Evolution of a specific O allele (O1vG542A) supports unique ancestry of Native Americans. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2013; 151:649-57. [PMID: 23868176 DOI: 10.1002/ajpa.22292] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2013] [Accepted: 04/16/2013] [Indexed: 11/09/2022]
Abstract
In this study, we explore the geographic and temporal distribution of a unique variant of the O blood group allele called O1v(G542A) , which has been shown to be shared among Native Americans but is rare in other populations. O1v(G542A) was previously reported in Native American populations in Mesoamerica and South America, and has been proposed as an ancestry informative marker. We investigated whether this allele is also found in the Tlingit and Haida, two contemporary indigenous populations from Alaska, and a pre-Columbian population from California. If O1v(G542A) is present in Na-Dene speakers (i.e., Tlingits), it would indicate that Na-Dene speaking groups share close ancestry with other Native American groups and support a Beringian origin of the allele, consistent with the Beringian Incubation Model. If O1v(G542A) is found in pre-Columbian populations, it would further support a Beringian origin of the allele, rather than a more recent introduction of the allele into the Americas via gene flow from one or more populations which have admixed with Native Americans over the past five centuries. We identified this allele in one Na-Dene population at a frequency of 0.11, and one ancient California population at a frequency of 0.20. Our results support a Beringian origin of O1v(G542A) , which is distributed today among all Native American groups that have been genotyped in appreciable numbers at this locus. This result is consistent with the hypothesis that Na-Dene and other Native American populations primarily derive their ancestry from a single source population.
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Affiliation(s)
- Fernando A Villanea
- School of Biological Sciences, Washington State University, Pullman, WA 99164-4910, USA
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Sandoval JR, Lacerda DR, Jota MSA, Salazar-Granara A, Vieira PPR, Acosta O, Cuellar C, Revollo S, Fujita R, Santos FR. The genetic history of indigenous populations of the Peruvian and Bolivian Altiplano: the legacy of the Uros. PLoS One 2013; 8:e73006. [PMID: 24039843 PMCID: PMC3770642 DOI: 10.1371/journal.pone.0073006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2013] [Accepted: 07/22/2013] [Indexed: 11/10/2022] Open
Abstract
The Altiplano region of the South American Andes is marked by an inhospitable climate to which the autochthonous human populations adapted and then developed great ancient civilizations, such as the Tiwanaku culture and the Inca Empire. Since pre-Columbian times, different rulers established themselves around the Titicaca and Poopo Lakes. By the time of the arrival of Spaniards, Aymara and Quechua languages were predominant on the Altiplano under the rule of the Incas, although the occurrence of other spoken languages, such as Puquina and Uruquilla, suggests the existence of different ethnic groups in this region. In this study, we focused on the pre-Columbian history of the autochthonous Altiplano populations, particularly the Uros ethnic group, which claims to directly descend from the first settlers of the Andes, and some linguists suggest they might otherwise be related to Arawak speaking groups from the Amazon. Using phylogeographic, population structure and spatial genetic analyses of Y-chromosome and mtDNA data, we inferred the genetic relationships among Uros populations (Los Uros from Peru, Uru-Chipaya and Uru-Poopo from Bolivia), and compared their haplotype profiles with eight Aymara, nine Quechua and two Arawak (Machiguenga and Yanesha) speaking populations from Peru and Bolivia. Our results indicated that Uros populations stand out among the Altiplano populations, while appearing more closely related to the Aymara and Quechua from Lake Titicaca and surrounding regions than to the Amazon Arawaks. Moreover, the Uros populations from Peru and Bolivia are genetically differentiated from each other, indicating a high heterogeneity in this ethnic group. Finally, our results support the distinctive ancestry for the Uros populations of Peru and Bolivia, which are likely derived from ancient Andean lineages that were partially replaced during more recent farming expansion events and the establishment of complex civilizations in the Andes.
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Affiliation(s)
- José Raul Sandoval
- Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
- Universidad San Martin de Porres (USMP), Lima, Peru
| | | | | | | | | | - Oscar Acosta
- Universidad San Martin de Porres (USMP), Lima, Peru
| | | | | | | | - Fabrício R. Santos
- Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
- * E-mail:
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Schurr TG, Dulik MC, Cafaro TA, Suarez MF, Urrets-Zavalia JA, Serra HM. Genetic background and climatic droplet keratopathy incidence in a Mapuche population from Argentina. PLoS One 2013; 8:e74593. [PMID: 24040292 PMCID: PMC3764023 DOI: 10.1371/journal.pone.0074593] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 08/05/2013] [Indexed: 11/18/2022] Open
Abstract
Purpose To determine whether the incidence of and susceptibility to climatic droplet keratopathy (CDK), an acquired, often bilateral degenerative corneal disease, is influenced by the genetic background of the individuals who exhibit the disorder. Methods To determine whether the disease expression was influenced by the genetic ancestry of CDK cases in native Mapuche of the northwest area of Patagonia in Argentina, we examined mitochondrial DNA and Y-chromosome variation in 53 unrelated individuals. Twenty-nine of them were part of the CDK (patient) population, while 24 were part of the control group. The analysis revealed the maternal and paternal lineages that were present in the two study groups. Results This analysis demonstrated that nearly all persons had a Native American mtDNA background, whereas 50% of the CDK group and 37% of the control group had Native American paternal ancestry, respectively. There was no significant difference in the frequencies of mtDNA haplogroups between the CDK patient and control groups. Although the Y-chromosome data revealed differences in specific haplogroup frequencies between these two groups, there was no statistically significant relationship between individual paternal genetic backgrounds and the incidence or stage of disease. Conclusions These results indicate a lack of correlation between genetic ancestry as represented by haploid genetic systems and the incidence of CDK in Mapuche populations. In addition, the mtDNA appears to play less of a role in CDK expression than for other complex diseases linked to bioenergetic processes. However, further analysis of the mtDNA genome sequence and other genes involved in corneal function may reveal the more precise role that mitochondria play in the expression of CDK.
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Affiliation(s)
- Theodore G. Schurr
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Matthew C. Dulik
- Department of Anthropology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America
| | - Thamara A. Cafaro
- CIBICI (Centro de Investigaciones en Bioquímica Clínica e Inmunología), Faculty of Chemistry, National University of Córdoba, Córdoba, Argentina
| | - María F. Suarez
- CIBICI (Centro de Investigaciones en Bioquímica Clínica e Inmunología), Faculty of Chemistry, National University of Córdoba, Córdoba, Argentina
| | | | - Horacio M. Serra
- CIBICI (Centro de Investigaciones en Bioquímica Clínica e Inmunología), Faculty of Chemistry, National University of Córdoba, Córdoba, Argentina
- * E-mail:
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Reconciling migration models to the Americas with the variation of North American native mitogenomes. Proc Natl Acad Sci U S A 2013; 110:14308-13. [PMID: 23940335 DOI: 10.1073/pnas.1306290110] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In this study we evaluated migration models to the Americas by using the information contained in native mitochondrial genomes (mitogenomes) from North America. Molecular and phylogeographic analyses of B2a mitogenomes, which are absent in Eskimo-Aleut and northern Na-Dene speakers, revealed that this haplogroup arose in North America ∼11-13 ka from one of the founder Paleo-Indian B2 mitogenomes. In contrast, haplogroup A2a, which is typical of Eskimo-Aleuts and Na-Dene, but also present in the easternmost Siberian groups, originated only 4-7 ka in Alaska, led to the first Paleo-Eskimo settlement of northern Canada and Greenland, and contributed to the formation of the Na-Dene gene pool. However, mitogenomes also show that Amerindians from northern North America, without any distinction between Na-Dene and non-Na-Dene, were heavily affected by an additional and distinctive Beringian genetic input. In conclusion, most mtDNA variation (along the double-continent) stems from the first wave from Beringia, which followed the Pacific coastal route. This was accompanied or followed by a second inland migratory event, marked by haplogroups X2a and C4c, which affected all Amerindian groups of Northern North America. Much later, the ancestral A2a carriers spread from Alaska, undertaking both a westward migration to Asia and an eastward expansion into the circumpolar regions of Canada. Thus, the first American founders left the greatest genetic mark but the original maternal makeup of North American Natives was subsequently reshaped by additional streams of gene flow and local population dynamics, making a three-wave view too simplistic.
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Cui Y, Lindo J, Hughes CE, Johnson JW, Hernandez AG, Kemp BM, Ma J, Cunningham R, Petzelt B, Mitchell J, Archer D, Cybulski JS, Malhi RS. Ancient DNA analysis of mid-holocene individuals from the Northwest Coast of North America reveals different evolutionary paths for mitogenomes. PLoS One 2013; 8:e66948. [PMID: 23843972 PMCID: PMC3700925 DOI: 10.1371/journal.pone.0066948] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 05/10/2013] [Indexed: 11/18/2022] Open
Abstract
To gain a better understanding of North American population history, complete mitochondrial genomes (mitogenomes) were generated from four ancient and three living individuals of the northern Northwest Coast of North America, specifically the north coast of British Columbia, Canada, current home to the indigenous Tsimshian, Haida, and Nisga’a. The mitogenomes of all individuals were previously unknown and assigned to new sub-haplogroup designations D4h3a7, A2ag and A2ah. The analysis of mitogenomes allows for more detailed analyses of presumed ancestor–descendant relationships than sequencing only the HVSI region of the mitochondrial genome, a more traditional approach in local population studies. The results of this study provide contrasting examples of the evolution of Native American mitogenomes. Those belonging to sub-haplogroups A2ag and A2ah exhibit temporal continuity in this region for 5000 years up until the present day. Of possible associative significance is that archaeologically identified house structures in this region maintain similar characteristics for this same period of time, demonstrating cultural continuity in residence patterns. The individual dated to 6000 years before present (BP) exhibited a mitogenome belonging to sub-haplogroup D4h3a. This sub-haplogroup was earlier identified in the same general area at 10300 years BP on Prince of Wales Island, Alaska, and may have gone extinct, as it has not been observed in any living individuals of the Northwest Coast. The presented case studies demonstrate the different evolutionary paths of mitogenomes over time on the Northwest Coast.
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Affiliation(s)
- Yinqiu Cui
- Department of Anthropology, University of Illinois, Urbana, Ilinois, United States of America
- College of Life Science, Jilin University, Changchun, Jilin, China
| | - John Lindo
- Department of Anthropology, University of Illinois, Urbana, Ilinois, United States of America
| | - Cris E. Hughes
- Department of Anthropology, University of Illinois, Urbana, Ilinois, United States of America
| | - Jesse W. Johnson
- School of Integrative Biology, University of Illinois, Urbana, Ilinois, United States of America
| | - Alvaro G. Hernandez
- W.M. Keck Center for Comparative and Functional Genomics, University of Illinois, Urbana, Ilinois, United States of America
| | - Brian M. Kemp
- Department of Anthropology and the School of Biological Sciences, Washington State University, Pullman, Washington, United States of America
| | - Jian Ma
- Department of Bioengineering, University of Illinois, Urbana, Ilinois, United States of America
- Institute for Genomic Biology, University of Illinois, Urbana, Ilinois, United States of America
| | - Ryan Cunningham
- Department of Computer Science, University of Illinois, Urbana, Ilinois, United States of America
| | - Barbara Petzelt
- Metlakatla Treaty Office, Metlakatla, British Columbia, Canada
| | | | - David Archer
- Northwest Community College, Prince Rupert, British Columbia, Canada
| | | | - Ripan S. Malhi
- Department of Anthropology, University of Illinois, Urbana, Ilinois, United States of America
- School of Integrative Biology, University of Illinois, Urbana, Ilinois, United States of America
- Institute for Genomic Biology, University of Illinois, Urbana, Ilinois, United States of America
- * E-mail:
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Roewer L, Nothnagel M, Gusmão L, Gomes V, González M, Corach D, Sala A, Alechine E, Palha T, Santos N, Ribeiro-Dos-Santos A, Geppert M, Willuweit S, Nagy M, Zweynert S, Baeta M, Núñez C, Martínez-Jarreta B, González-Andrade F, Fagundes de Carvalho E, da Silva DA, Builes JJ, Turbón D, Lopez Parra AM, Arroyo-Pardo E, Toscanini U, Borjas L, Barletta C, Ewart E, Santos S, Krawczak M. Continent-wide decoupling of Y-chromosomal genetic variation from language and geography in native South Americans. PLoS Genet 2013; 9:e1003460. [PMID: 23593040 PMCID: PMC3623769 DOI: 10.1371/journal.pgen.1003460] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2012] [Accepted: 03/04/2013] [Indexed: 01/07/2023] Open
Abstract
Numerous studies of human populations in Europe and Asia have revealed a concordance between their extant genetic structure and the prevailing regional pattern of geography and language. For native South Americans, however, such evidence has been lacking so far. Therefore, we examined the relationship between Y-chromosomal genotype on the one hand, and male geographic origin and linguistic affiliation on the other, in the largest study of South American natives to date in terms of sampled individuals and populations. A total of 1,011 individuals, representing 50 tribal populations from 81 settlements, were genotyped for up to 17 short tandem repeat (STR) markers and 16 single nucleotide polymorphisms (Y-SNPs), the latter resolving phylogenetic lineages Q and C. Virtually no structure became apparent for the extant Y-chromosomal genetic variation of South American males that could sensibly be related to their inter-tribal geographic and linguistic relationships. This continent-wide decoupling is consistent with a rapid peopling of the continent followed by long periods of isolation in small groups. Furthermore, for the first time, we identified a distinct geographical cluster of Y-SNP lineages C-M217 (C3*) in South America. Such haplotypes are virtually absent from North and Central America, but occur at high frequency in Asia. Together with the locally confined Y-STR autocorrelation observed in our study as a whole, the available data therefore suggest a late introduction of C3* into South America no more than 6,000 years ago, perhaps via coastal or trans-Pacific routes. Extensive simulations revealed that the observed lack of haplogroup C3* among extant North and Central American natives is only compatible with low levels of migration between the ancestor populations of C3* carriers and non-carriers. In summary, our data highlight the fact that a pronounced correlation between genetic and geographic/cultural structure can only be expected under very specific conditions, most of which are likely not to have been met by the ancestors of native South Americans. In the largest population genetic study of South Americans to date, we analyzed the Y-chromosomal makeup of more than 1,000 male natives. We found that the male-specific genetic variation of Native Americans lacks any clear structure that could sensibly be related to their geographic and/or linguistic relationships. This finding is consistent with a rapid initial peopling of South America, followed by long periods of isolation in small tribal groups. The observed continent-wide decoupling of geography, spoken language, and genetics contrasts strikingly with previous reports of such correlation from many parts of Europe and Asia. Moreover, we identified a cluster of Native American founding lineages of Y chromosomes, called C-M217 (C3*), within a restricted area of Ecuador in North-Western South America. The same haplogroup occurs at high frequency in Central, East, and North East Asia, but is virtually absent from North (except Alaska) and Central America. Possible scenarios for the introduction of C-M217 (C3*) into Ecuador may thus include a coastal or trans-Pacific route, an idea also supported by occasional archeological evidence and the recent coalescence of the C3* haplotypes, estimated from our data to have occurred some 6,000 years ago.
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Affiliation(s)
- Lutz Roewer
- Institute of Legal Medicine and Forensic Sciences, Department of Forensic Genetics, Charité-Universitätsmedizin Berlin, Berlin, Germany.
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26
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Y-chromosome analysis reveals genetic divergence and new founding native lineages in Athapaskan- and Eskimoan-speaking populations. Proc Natl Acad Sci U S A 2012; 109:8471-6. [PMID: 22586127 DOI: 10.1073/pnas.1118760109] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
For decades, the peopling of the Americas has been explored through the analysis of uniparentally inherited genetic systems in Native American populations and the comparison of these genetic data with current linguistic groupings. In northern North America, two language families predominate: Eskimo-Aleut and Na-Dene. Although the genetic evidence from nuclear and mtDNA loci suggest that speakers of these language families share a distinct biological origin, this model has not been examined using data from paternally inherited Y chromosomes. To test this hypothesis and elucidate the migration histories of Eskimoan- and Athapaskan-speaking populations, we analyzed Y-chromosomal data from Inuvialuit, Gwich'in, and Tłįch populations living in the Northwest Territories of Canada. Over 100 biallelic markers and 19 chromosome short tandem repeats (STRs) were genotyped to produce a high-resolution dataset of Y chromosomes from these groups. Among these markers is an SNP discovered in the Inuvialuit that differentiates them from other Aboriginal and Native American populations. The data suggest that Canadian Eskimoan- and Athapaskan-speaking populations are genetically distinct from one another and that the formation of these groups was the result of two population expansions that occurred after the initial movement of people into the Americas. In addition, the population history of Athapaskan speakers is complex, with the Tłįch being distinct from other Athapaskan groups. The high-resolution biallelic data also make clear that Y-chromosomal diversity among the first Native Americans was greater than previously recognized.
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