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Genetic study Tracing bronze to iron age population dynamics in Northwest Xinjiang using ancient time-series genomic data

Anfänger

Anfänger

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Ethnic group
Iranian
Y-DNA haplogroup
R1b-Z2103
mtDNA haplogroup
U7a4

Tracing bronze to iron age population dynamics in Northwest Xinjiang using ancient time-series genomic data​


Abstract
Background
Northwestern Xinjiang is situated at the confluence of the central Eurasian Steppe, the Inner Asian Mountain Corridor and the Tianshan mountains, and is home to rich archaeological, cultural and genetic diversity. However, the local population dynamics remain poorly understood due to the lack of time-series ancient DNA data.

Results
We analyze DNA from ten individuals from the Narensu site in northwestern Xinjiang spanning the Chalcolithic to the Iron Age. Our findings reveal that the earliest inhabitants of northwestern Xinjiang were formed by a genetic admixture of Ancient North Eurasians and Altai hunter-gatherers around 6000 years ago. The simultaneous arrival of ancestry related to the Bactria Margiana Archaeological Complex from Central Asia and Afanasievo-related populations from the Steppe in the early Bronze Age was detected, thereby highlighting the important role of the Inner Asian Mountain Corridor as a migration route between southern Central Asia and Xinjiang. This may also have involved the formation of the Chemurchek population in Altai, northern Xinjiang bordering Russia. Eurasian steppe ancestry identified in Narensu has changed to the late Bronze Age Sintashta populations, and eastern Eurasian ancestry from Baikal turns prominent since the Iron Age.

Conclusions
Here, by reconstructing the population dynamics from the Chalcolithic to the Iron Age, our study reveals that the Narensu inhabitants have continuously accumulated with multiple waves of gene influx from surrounding regions. Altogether, these findings provide a comprehensive picture into the population fusion history of northwestern Xinjiang as well as across the Eurasian continent.

Link: https://link.springer.com/article/10.1186/s13059-026-03943-0

The Afanasievo culture sample from this article NRS_M4_4904BP (3012-2896 BC) has the subclade R1b-P312.
 
Anfänger said:

Tracing bronze to iron age population dynamics in Northwest Xinjiang using ancient time-series genomic data​


Abstract
Background
Northwestern Xinjiang is situated at the confluence of the central Eurasian Steppe, the Inner Asian Mountain Corridor and the Tianshan mountains, and is home to rich archaeological, cultural and genetic diversity. However, the local population dynamics remain poorly understood due to the lack of time-series ancient DNA data.

Results
We analyze DNA from ten individuals from the Narensu site in northwestern Xinjiang spanning the Chalcolithic to the Iron Age. Our findings reveal that the earliest inhabitants of northwestern Xinjiang were formed by a genetic admixture of Ancient North Eurasians and Altai hunter-gatherers around 6000 years ago. The simultaneous arrival of ancestry related to the Bactria Margiana Archaeological Complex from Central Asia and Afanasievo-related populations from the Steppe in the early Bronze Age was detected, thereby highlighting the important role of the Inner Asian Mountain Corridor as a migration route between southern Central Asia and Xinjiang. This may also have involved the formation of the Chemurchek population in Altai, northern Xinjiang bordering Russia. Eurasian steppe ancestry identified in Narensu has changed to the late Bronze Age Sintashta populations, and eastern Eurasian ancestry from Baikal turns prominent since the Iron Age.

Conclusions
Here, by reconstructing the population dynamics from the Chalcolithic to the Iron Age, our study reveals that the Narensu inhabitants have continuously accumulated with multiple waves of gene influx from surrounding regions. Altogether, these findings provide a comprehensive picture into the population fusion history of northwestern Xinjiang as well as across the Eurasian continent.

Link: https://link.springer.com/article/10.1186/s13059-026-03943-0

The Afanasievo culture sample from this article NRS_M4_4904BP (3012-2896 BC) has the subclade R1b-P312.
Click to expand...
I have not the complete paper. How many Y-haplos have been analyzed in this paper?
 
The Chinese usually rely on SNP predictors; most likely this is a misclassified P310*.

The first people to spread horse domestication with haplogroup D* were located in the western area of the Black Sea, near present-day Romania, around 3800 BC; that is the region where P310* originated.

It would be funny if the 300 million Western P310> males turned out to be of Chinese origin.
 
MOESAN said:
I have not the complete paper. How many Y-haplos have been analyzed in this paper?
Click to expand...
You can find the Haplogroups under Table S2:



IMG_4648.png
 
bicicleur 2 said:
Is the study already publicised and is it accesible?
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Yes, it is open access but unedited as yet. This is written before the paper:

We are providing an unedited version of this manuscript to give early access to its findings. Before final publication, the manuscript will undergo further editing. Please note there may be errors present which affect the content, and all legal disclaimers apply.
Click to expand...
 
MOESAN said:
Thanks/ Wow! a --P312 in Afanasievo at those times : if corre

sorry Xinghiang!
Click to expand...
P312 is mostly likely from a Yamnaya male just few generations before this sample. This is another evidence that Yamnaya is most likely the ancestor of R1b males in Western Europe.
 
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