Ancient DNA reveals temporal population structure within the South-Central Andes area

被引:7
|
作者
Gabriela Russo, M. [1 ]
Mendisco, Fanny [2 ,6 ]
Avena, Sergio A. [1 ,3 ]
Crespo, Cristian M. [1 ]
Arencibia, Valeria [4 ]
Dejean, Cristina B. [3 ,4 ]
Seldes, Veronica [5 ]
机构
[1] Univ Maimonides, CONICET, Equipo Antropol Biol, Dept Cs Nat & Antropol,CEBBAD, C1405BCK, Buenos Aires, DF, Argentina
[2] Univ Paul Sabatier Toulouse III, CNRS, Fac Med, Lab Mol Anthropol & Image Synth AMIS,UMR 5288, Toulouse, France
[3] UBA, Secc Antropol Biol, ICA, FFyL, C1406CQJ, Buenos Aires, DF, Argentina
[4] Univ Maimonides, Equipo Antropol Biol, Dept Cs Nat & Antropol, CEBBAD, C1405BCK, Buenos Aires, DF, Argentina
[5] UBA, CONICET, Inst Interdisciplinario Tilcara, Ctr Univ Tilcara,FFyL, Y4624AFI, Tilcara, Jujuy, Argentina
[6] Univ Bordeaux, UMR PACEA 5199, Equipe Anthropol Populat Passees & Presentes, Allee Geoffroy ST Hilaire, F-33615 Pessac, France
关键词
Andean groups; autosomal STRs; NW Argentina; pre-Hispanic populations; MITOCHONDRIAL-DNA; DIVERSITY; HUMAHUACA; INFERENCE; SOFTWARE; GENETICS; QUEBRADA; AMERICA; HISTORY; NUMBER;
D O I
10.1002/ajpa.23475
中图分类号
Q98 [人类学];
学科分类号
030303 ;
摘要
ObjectivesThe main aim of this work was to contribute to the knowledge of pre-Hispanic genetic variation and population structure among the South-central Andes Area by studying individuals from Quebrada de Humahuaca, North-western (NW) Argentina. Materials and methodsWe analyzed 15 autosomal STRs in 19 individuals from several archaeological sites in Quebrada de Humahuaca, belonging to the Regional Developments Period (900-1430 AD). Compiling autosomal, mitochondrial, and Y-chromosome data, we evaluated population structure and differentiation among eight South-central Andean groups from the current territories of NW Argentina and Peru. ResultsAutosomal data revealed a structuring of the analyzed populations into two clusters which seemed to represent different temporalities in the Andean pre-Hispanic history: pre-Inca and Inca. All pre-Inca samples fell into the same cluster despite being from the two different territories of NW Argentina and Peru. Also, they were systematically differentiated from the Peruvian Inca group. These results were mostly confirmed by mitochondrial and Y-chromosome analyses. We mainly found a clearly different haplotype composition between clusters. DiscussionPopulation structure in South America has been mostly studied on current native groups, mainly showing a west-to-east differentiation between the Andean and lowland regions. Here we demonstrated that genetic population differentiation preceded the European contact and might have been more complex than thought, being found within the South-central Andes Area. Moreover, divergence among temporally different populations might be reflecting socio-political changes occurred in the evermore complex pre-Hispanic Andean societies.
引用
收藏
页码:851 / 860
页数:10
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