Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers
Autosomal STRs, Y-chromosome markers, and mitochondrial DNA sequences were investigated in six Mbyá-Guaraní villages (Fortín M'Bororé, Yryapu, Tabay, Kaaguy Poty, Jejy, and Yaboti), all of them settled within the province of Misiones, northeastern Argentina. One hundred twenty-one unrelated ind...
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todo:paper_00187143_v82_n4_p433_Sala2023-10-03T14:15:40Z Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers Sala, A. Argüelles, C.F. Marino, M.E. Bobillo, C. Fenocchio, A. Corach, D. Autosomal STRs Mbyá-Guaraní mtDNA Native South Amerindian Y-chromosome STRs microsatellite DNA mitochondrial DNA American Indian Argentina article cell nucleus female genetics human male population genetics Y chromosome Argentina Cell Nucleus Chromosomes, Human, Y DNA, Mitochondrial Female Genetics, Population Humans Indians, North American Male Microsatellite Repeats Autosomal STRs, Y-chromosome markers, and mitochondrial DNA sequences were investigated in six Mbyá-Guaraní villages (Fortín M'Bororé, Yryapu, Tabay, Kaaguy Poty, Jejy, and Yaboti), all of them settled within the province of Misiones, northeastern Argentina. One hundred twenty-one unrelated individuals were analyzed. The study involved typing fifteen autosomal STRs, nine Y-chromosome STRs, and four biallele loci in the nonrecombinant region of the Y chromosome, sequencing the mtDNA of hypervariable regions I and II, and detecting the 9-bp ins/del in region V of mtDNA. All autosomal STRs were in Hardy-Weinberg equilibrium. The four major native American mtDNA haplogroups were represented in the sample. Haplogroups A2 and D1 exhibited the highest frequencies (40.5% and 36.0%, respectively), and haplogroups B2 and C1 appeared to be less frequent (17.5% and 6.0%, respectively). The native American haplogroup Q1a3a was observed in a relevant proportion (88.8%). In addition, a nine-STR Y-chromosome haplotype (DYS19*13, DYS389I*14, DYS389II*31, DYS390*24, DYS391*11, DYS392*14, DYS393*11, DYS385A*14, DYS385B*16) exhibited a frequency of more than 36%. Our results indicate that the analyzed Argentinean Guaraní individuals are genetically more closely related to Guaraní from Brazil [genetic distance (.μ)2 = 0.48] than to other related tribes that are geographically closer. Statistical approaches based on autosomal data do not support the hypothesis of genetic drift previously proposed; however, this apparent discrepancy might be due to the lack of sensitivity of the autosomal markers used here. © 2010 Wayne State University Press. Fil:Corach, D. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR English info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00187143_v82_n4_p433_Sala |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
language |
English |
orig_language_str_mv |
English |
topic |
Autosomal STRs Mbyá-Guaraní mtDNA Native South Amerindian Y-chromosome STRs microsatellite DNA mitochondrial DNA American Indian Argentina article cell nucleus female genetics human male population genetics Y chromosome Argentina Cell Nucleus Chromosomes, Human, Y DNA, Mitochondrial Female Genetics, Population Humans Indians, North American Male Microsatellite Repeats |
spellingShingle |
Autosomal STRs Mbyá-Guaraní mtDNA Native South Amerindian Y-chromosome STRs microsatellite DNA mitochondrial DNA American Indian Argentina article cell nucleus female genetics human male population genetics Y chromosome Argentina Cell Nucleus Chromosomes, Human, Y DNA, Mitochondrial Female Genetics, Population Humans Indians, North American Male Microsatellite Repeats Sala, A. Argüelles, C.F. Marino, M.E. Bobillo, C. Fenocchio, A. Corach, D. Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers |
topic_facet |
Autosomal STRs Mbyá-Guaraní mtDNA Native South Amerindian Y-chromosome STRs microsatellite DNA mitochondrial DNA American Indian Argentina article cell nucleus female genetics human male population genetics Y chromosome Argentina Cell Nucleus Chromosomes, Human, Y DNA, Mitochondrial Female Genetics, Population Humans Indians, North American Male Microsatellite Repeats |
description |
Autosomal STRs, Y-chromosome markers, and mitochondrial DNA sequences were investigated in six Mbyá-Guaraní villages (Fortín M'Bororé, Yryapu, Tabay, Kaaguy Poty, Jejy, and Yaboti), all of them settled within the province of Misiones, northeastern Argentina. One hundred twenty-one unrelated individuals were analyzed. The study involved typing fifteen autosomal STRs, nine Y-chromosome STRs, and four biallele loci in the nonrecombinant region of the Y chromosome, sequencing the mtDNA of hypervariable regions I and II, and detecting the 9-bp ins/del in region V of mtDNA. All autosomal STRs were in Hardy-Weinberg equilibrium. The four major native American mtDNA haplogroups were represented in the sample. Haplogroups A2 and D1 exhibited the highest frequencies (40.5% and 36.0%, respectively), and haplogroups B2 and C1 appeared to be less frequent (17.5% and 6.0%, respectively). The native American haplogroup Q1a3a was observed in a relevant proportion (88.8%). In addition, a nine-STR Y-chromosome haplotype (DYS19*13, DYS389I*14, DYS389II*31, DYS390*24, DYS391*11, DYS392*14, DYS393*11, DYS385A*14, DYS385B*16) exhibited a frequency of more than 36%. Our results indicate that the analyzed Argentinean Guaraní individuals are genetically more closely related to Guaraní from Brazil [genetic distance (.μ)2 = 0.48] than to other related tribes that are geographically closer. Statistical approaches based on autosomal data do not support the hypothesis of genetic drift previously proposed; however, this apparent discrepancy might be due to the lack of sensitivity of the autosomal markers used here. © 2010 Wayne State University Press. |
format |
JOUR |
author |
Sala, A. Argüelles, C.F. Marino, M.E. Bobillo, C. Fenocchio, A. Corach, D. |
author_facet |
Sala, A. Argüelles, C.F. Marino, M.E. Bobillo, C. Fenocchio, A. Corach, D. |
author_sort |
Sala, A. |
title |
Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers |
title_short |
Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers |
title_full |
Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers |
title_fullStr |
Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers |
title_full_unstemmed |
Genetic analysis of six communities of Mbyá-Guaraní inhabiting Northeastern Argentina by means of nuclear and mitochondrial polymorphic markers |
title_sort |
genetic analysis of six communities of mbyá-guaraní inhabiting northeastern argentina by means of nuclear and mitochondrial polymorphic markers |
url |
http://hdl.handle.net/20.500.12110/paper_00187143_v82_n4_p433_Sala |
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