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Los movimientos de población de la Edad del Bronce y del Hierro subyacen a la historia de la población de Xinjiang
Vikas Kumar1,2, Wenjun Wang1,3, Jie Zhang4
1Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Beijing 100044, China.
Science (New York, N.Y.)
|March 31, 2022
Resumen
Los genomas antiguos revelan Xinjiang
Área de la Ciencia:
- La genómica antigua
- Genética de las poblaciones
- Arqueología
Sus antecedentes:
- Xinjiang, una encrucijada clave de Eurasia, tiene una historia demográfica compleja.
- Comprender sus poblaciones pasadas es crucial para la historia de Eurasia.
Objetivo del estudio:
- Para reconstruir la historia demográfica de Xinjiang usando el ADN antiguo.
- Identificar los componentes ancestrales y los eventos de mezcla en la región.
Principales métodos:
- Secuenciación de 201 genomas antiguos de 39 sitios arqueológicos.
- Analizar el ADN antiguo para determinar la ascendencia y las relaciones de la población.
Principales resultados:
- Las poblaciones de Xinjiang de la Edad del Bronce muestran cuatro ascendencias principales de la estepa, Asia Central y la cuenca del Tarim.
- La mezcla continua con los antepasados de la estepa, Asia Oriental y Asia Central ocurrió durante la Edad del Hierro.
- Las poblaciones históricas exhiben diversas ascendencias similares a los habitantes actuales.
Conclusiones:
- Los genomas antiguos iluminan la intrincada dinámica de la población de Xinjiang.
- El paisaje genético de la región refleja la interacción continua entre las poblaciones de Eurasia Oriental y Occidental durante milenios.
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