Paleogenetic studies have confirmed that over the past 10 thousand years, numerous migration waves and mixing events have occurred in Eurasia, in which steppe populations have played an important role. At the same time, the processes in Europe were better studied than in Central Asia, especially in its southern part.
In the northern part of Central Asia (Kazakhstan, South of Russia), genetic studies have indicated east and west population movements since the late Neolithic, leading to a gradient in the genetic origin of the western steppe.
In southern Central Asia, where most of the ancient genomes date from the late Neolithic and Bronze Age, the inhabitants of the Bactria-Margiana archaeological complex have been shown to be closely related to the ancient populations of southern modern Iran, with some of their representatives showing an additional steppe origin.
However, the links between the modern Iranian-speaking population and the ancient inhabitants of the southern part of Central Asia remain unclear.
Scientists raise a number of questions:
⦁ What are the genetic origins of modern Indo-Iranian speakers?
⦁ Can their origin be traced back to the Iron or Bronze Age?
⦁ Are there one or more distinct population histories in this linguistic population?
⦁ And what is the role of the Turkmen in this story?
Paleogenetic studies have provided additional tools for finding answers to these questions. In the new work, the authors analyzed genome-wide data from 16 modern populations from Uzbekistan, Kyrgyzstan, Tajikistan, Western Mongolia, and Southern Siberia, together with ancient and modern genomes.
#genetics #DNA #history #science #paleogenetics #Asia
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A source:
Guarino-Vignon, P., Marchi, N., Bendezu-Sarmiento, J. et al. Genetic continuity of Indo-Iranian speakers since the Iron Age in southern Central Asia. Sci Rep 12, 733 (2022). doi.org/10.1038/s41598-021-04...
Content:
00:00 Entry
07:55 Genetic similarity of modern and ancient Indo-Iranians
16:27 Results
Auxiliary sources:
Statistical Inference on Genetic Data Reveals the Complex Demographic History of Human Populations in Central Asia Friso P. Palstra, Evelyne Heyer, Frédéric Austerlitz doi.org/10.1093/molbev/msv030
Zhabagin, M., Balanovska, E., Sabitov, Z. et al. The Connection of the Genetic, Cultural and Geographic Landscapes of Transoxiana. Sci Rep 7, 3085 (2017). doi.org/10.1038/s41598-017-03176-z
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