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Bioarchaeological study of ancient Teotihuacans based on complete mitochondrial genome sequences and diet isotopes
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- Fuzuki Mizuno
- Department of Legal Medicine, Toho University School of Medicine, Tokyo, Japan
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- Fuyuki Tokanai
- Center for Accelerator Mass Spectrometry, Yamagata University Advanced Analysis Center, Yamagata, Japan
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- Masahiko Kumagai
- National Agriculture and Food Research Organization, Tsukuba, Japan
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- Koji Ishiya
- Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Chiyoda, Japan
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- Saburo Sugiyama
- Research Institute for the Dynamics of Civilizations, Okayama University, Okayama, Japan
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- Michiko Hayashi
- Department of Legal Medicine, Toho University School of Medicine, Tokyo, Japan
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- Kunihiko Kurosaki
- Department of Legal Medicine, Toho University School of Medicine, Tokyo, Japan
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- Shintaroh Ueda
- Department of Legal Medicine, Toho University School of Medicine, Tokyo, Japan
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Description
The Teotihuacan civilisation was the largest one in ancient Mesoamerica. The Teotihuacan city was born in the north-eastern Basin of Mexico around the second century BC, reached its peak in the fourth century AD, and had cultural influence throughout Mesoamerica. At its peak, the size of the city reached more than 20 kmWe aimed to determine the mitogenome sequences of the Teotihuacan human remains and compare the ancient and present Mesoamericans. In addition, we aimed to identify the food habits of ancient Teotihuacans.We determined the mitogenome sequences of human remains dated to 250-636 cal AD using target enrichment-coupled next generation sequencing. We also performed stable isotope analysis.We successfully obtained nearly full-length sequences newly unearthed from a civilian dwelling in the Teotihuacan site. Teotihuacan mitochondrial DNA was classified into the haplogroups in present and ancient Mesoamericans. In addition, Teotihuacan individuals had a diet dependent on C4 plants such as maize.Genetic diversity varied among the Teotihuacans.
Journal
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- Annals of Human Biology
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Annals of Human Biology 50 (1), 390-398, 2023-01-02
Informa UK Limited
