Multiethnicity and Migration at Teopancazco

PLOS ONE, 2015

Multiethnicity in Teopancazco, Teotihuacan, is supported by foreign individuals found in the neighborhood center as well as by the diversity observed in funerary rituals at the site. Studies of both stable and strontium isotopes as well as paleodietary analysis, suggest that the population of Teopancazco was composed by three population groups: people from Teotihuacan, people from nearby sites (Tlaxcala-Hidalgo-Puebla), and people from afar, including the coastal plains. In an attempt to understand the genetic dynamics in Teopancazco we conducted an ancient DNA (aDNA) analysis based on mtDNA. Our results show that the level of genetic diversity is consistent with the multiethnicity phenomenon at the neighborhood center. Levels of genetic diversity at different time periods of Teopancazco's history show that multiethnicity was evident since the beginning and lasted until the collapse of the neighborhood center. However, a PCA and a Neighbor-Joining tree suggested the presence of a genetically differentiated group (buried at the Transitional phase) compared to the population from the initial phase (Tlamimilolpa) as well as the population from the final phase (Xolalpan) of the history of Teopancazco. Genetic studies showed no differences in genetic diversity between males and females in the adult population of Teopancazco, this data along with ample archaeological evidence, suggest a neolocal post-marital pattern of residence in Teopancazco. Nevertheless, genetic analyses on the infant population showed that the males are significantly more heterogeneous than the females suggesting a possible differential role in cultural practices by sex in the infant sector. Regarding interpopulation analysis, we found similar indices of genetic diversity between Teopancazco and heterogeneous native groups, which support the multiethnic character of Teopancazco. Finally, our data showed a close genetic relationship between Teopancazco and populations from the "Teotihuacan corridor" and from Oaxaca and the Maya region, in agreement with previous archaeological evidence.

Multiethnicity in Teopancazco, Teotihuacan, is supported by foreign individuals found in the neighborhood center as well as by the diversity observed in funerary rituals at the site. Studies of both stable and strontium isotopes as well as paleodietary analysis, suggest that the population of Teopancazco was composed by three population groups: people from Teotihuacan, people from nearby sites (Tlaxcala-Hidalgo-Puebla), and people from afar, including the coastal plains. In an attempt to understand the genetic dynamics in Teopancazco we conducted an ancient DNA (aDNA) analysis based on mtDNA. Our results show that the level of genetic diversity is consistent with the multiethnicity phenomenon at the neighborhood center. Levels of genetic diversity at different time periods of Teopancazco's history show that multiethnicity was evident since the beginning and lasted until the collapse of the neighborhood center. However, a PCA and a Neighbor-Joining tree suggested the presence of a genetically differentiated group (buried at the Transitional phase) compared to the population from the initial phase (Tlamimilolpa) as well as the population from the final phase (Xolalpan) of the history of Teopancazco. Genetic studies showed no differences in genetic diversity between males and females in the adult population of Teopancazco, this data along with ample archaeological evidence, suggest a neolocal post-marital pattern of residence in Teopancazco. Nevertheless, genetic analyses on the infant population showed that the males are significantly more heterogeneous than the females suggesting a possible differential role in cultural practices by sex in the infant sector. Regarding interpopulation analysis, we found similar indices of genetic diversity between Teopancazco and heterogeneous native groups, which support the multiethnic character of Teopancazco. Finally, our data showed a close genetic relationship between Teopancazco and populations from the "Teotihuacan corridor" and from Oaxaca and the Maya region, in agreement with previous archaeological evidence.

Manzanilla (ed.) 2017 Multiethnicity and Migration at Teopancazco. Investigations of a Teotihuacan Neighborhood Center, 2017

Illuminates a multiethnic neighborhood within one of the world's greatest urban developments of ancient times. Presents some of the most sophisticated new scientific techniques that are allowing scholars to see the details oflife in the ancient world in a vivid dimension that has not before been possible:'-CYNTHIA ROBIN, author of Everyday Life Matters: Maya Farmers at Chan "Manzanilla has been, and still is, a pioneer in the application of recent technology to aid in the interpretation of archaeological remains:'-REBECCA STOREY, author of Life and Death in the Ancient City ofTeotihuacan: A Modern Paleodemographic Synthesis "Vital for scholars of Mesoamerican archaeology and the 'Classic' period in particular:'-IAN FARRINGTON, author of Cusco: Urbanism and Archaeology in the Inka World L IKE MODERN-DAY New York City, the ancient city ofTeotihuacan in Central Mexico was. built by a flood of immigrants who created a complex and diverse urban landscape. The city benefited from the knowledge, technical expertise, and experience that foreigners brought. The neighborhoods also competed with each other in displaying the finest crafts, the rarest raw materials, and the most lavish sumptuary goods. This detailed volume looks at 116 formal burials in Teopancazco, a powerful neighborhood that controlled the distribution of foreign raw materials from Teotihuacan toward Nautla in Veracruz. Applying sophisticated bioarchaeological analyses of stable and strontium isotopes, trace elements, funerary patterns, and ancient DNA, this holistic study identifies the population's age and sex profiles, paleopathologies, paleodiet, provenance, and facial approximations. What emerges is a detailed portrait of a multiethnic group working and interacting in one of the largest urban sites in the preindustrial world.

In an attempt to understand the genetic dynamics in Teopancazco, Teotihuacan, we conducted an ancient DNA abaktsus based on mtDNA. Our results show that the level of genetic diversity is consistent with the multiethnicity observed through cultural practices and isotopic analyses, in this multiethnic neighborhood center of the ancient metropolis of Teotihuacan.

Journal of Anthropological Research, 2018

Revista Argentina de Antropología Biológica

The ancient city of Teotihuacan was a great urban and ceremonial center, whose population grew exceptionally in the Classic Period (300 – 700 AC). Settlement patterns, culture and burials have indicated an occupation that consisted of groups of neighboring apartment compounds or barrios. We investigated the genetics of three apartment compounds in the Teotihuacan Valley through ancient DNA analysis to prove multiethnicity during the Classic Period. Amerindian mitochondrial haplogroups were identified in 10 burials from San Francisco Mazapa, 7 from San Sebastian Xolalpan, and 19 human bone tools from La Ventilla. These samples had a wide genetic diversity. Differences in genetic structures were slight but significant (p< 0.001) between the three households and 7 ancient populations from Central and Southern Mexico by FST analysis between the three barrios studied, and Xaltocan (post-conquest) was congruent with the number of migrants estimated. Tlailotlacan, another household of T...

2017

The ancient city of Teotihuacan was a great urban and ceremonial center, whose population grew exceptionally in the Classic Period (300 – 700 AC). Settlement patterns, culture and burials have indicated an occupation that consisted of groups of neighboring apartment compounds or barrios. We investigated the genetics of three apartment compounds in the Teotihuacan Valley through ancient DNA analysis to prove multiethnicity during the Classic Period. Amerindian mitochondrial haplogroups were identified in 10 burials from San Francisco Mazapa, 7 from San Sebastian Xolalpan, and 19 human bone tools from La Ventilla. These samples had a wide genetic diversity. Differences in genetic structures were slight but significant (p< 0.001) between the three households and 7 ancient populations from Central and Southern Mexico by FST analysis between the three barrios studied, and Xaltocan (post-conquest) was congruent with the number of migrants estimated. Tlailotlacan, another household of T...

Álgebra Linear com Aplicações, 2012

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2022

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