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Portrait reconstruction of A man buried in Russia in the Bronze Age era
Ancient Individual

A man buried in Russia in the Bronze Age era

A man buried in Russia during the Northern Irkutsk

A fragment of the ancient world, preserved across millennia in strands of DNA.

I1961
4239 BCE - 4002 BCE
Male
Russia
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Chapter I

Identity

The biological and cultural markers that define this ancient individual

Sample ID

I1961

Date Range

4239 BCE - 4002 BCE

Cultural Period

Northern Irkutsk

Biological Sex

Male

mtDNA Haplogroup

A10

Y-DNA Haplogroup

N-L708

Social Role

Pastoralist (AI estimate, era-typical)

Chapter II

Place

Where this individual was discovered

Country Russia
Locality Sosnovy-Mys (Irkutsk Oblast, Ust-Ilimsky District, Kata, Sosnovy Island)
Chapter III

Time

When this individual lived in the broader context of human history

I1961 4239 BCE - 4002 BCE
Chapter IV

Story

The narrative of this ancient life

Region & Environment

Northern Irkutsk is situated in eastern Siberia, where river valleys and the broader Baikal-region environments structured settlement opportunities. Long winters, local water transport, and rich seasonal resources would have influenced where people lived and how they moved.

Historical Context

Between 2000 and 100 BCE, eastern Siberia experienced continued cultural development with changes in technology and craft traditions. The Northern Irkutsk horizon is often discussed in relation to the Glazkovo Complex and associated Neolithic/Bronze Age assemblages, reflecting long-term regional histories.

Populations & Lifeways

Populations likely depended on hunting and fishing supplemented by locally adopted practices tied to settlement and resource scheduling. People would have organized daily work around processing raw materials, food procurement, and maintaining tools suitable for cold-climate conditions. Mobility may have varied by season and by access to particular resource zones.

Archaeology & Material Culture

Archaeological identification focuses on characteristic artifact sets within the Glazkovo Complex framework, including pottery traits and stone-tool technologies. Such assemblages indicate patterned production and the persistence of regional traditions over time, even as broad Bronze Age-era technologies arrived and circulated in Siberia.

Culture & Society

Community organization can be inferred indirectly from settlement and material patterning: recurring artifact styles suggest shared conventions and communication among groups. Mortuary evidence, where documented, would further clarify social practices, but interpretations remain cautious when the record is incomplete.

Legacy & Transition

As the period progresses toward the early centuries BCE, cultural dynamics in Siberia continued to shift, incorporating new interactions and technological approaches. Northern Irkutsk/Glazkovo traditions contribute to understanding how eastern Siberian lifeways and material systems persisted and transformed across the second and first millennia BCE.

Context

Related Samples

This individual exists within a broader network of ancient samples. No ancient genome stands alone.

Sample ID Culture/Period Date Location Action
I11857 Dzudzuana Cave Culture 25550 BCE Dzudzuana Cave (Imereti, Raion Chiatura, Chiatura), Georgia View
I1961 Northern Irkutsk 4239 BCE Sosnovy-Mys (Irkutsk Oblast, Ust-Ilimsky District, Kata, Sosnovy Island), Russia View
I1965 Northern West Siberian 4037 BCE Ust'-Isha (Altai Krai, Krasnogorsky District, Ust'-Isha Village), Russia View
I1961 Northern Irkutsk 4239 BCE Sosnovy-Mys (Irkutsk Oblast, Ust-Ilimsky District, Kata, Sosnovy Island), Russia View
I1965 Northern West Siberian 4037 BCE Ust'-Isha (Altai Krai, Krasnogorsky District, Ust'-Isha Village), Russia View
Sample ID Culture/Period Date Location Action
I1961 Northern Irkutsk 4239 BCE Sosnovy-Mys (Irkutsk Oblast, Ust-Ilimsky District, Kata, Sosnovy Island), Russia View
I1961 Northern Irkutsk 4239 BCE Sosnovy-Mys (Irkutsk Oblast, Ust-Ilimsky District, Kata, Sosnovy Island), Russia View
I2134 5711 BCE Sosnovy-Mys (Irkutsk Oblast, Ust-Ilimsky District, Kata, Sosnovy Island), Russia View
Sources

References

Scientific publications and genetic data that inform this profile.

Scientific Publication

Three assays for in-solution enrichment of ancient human DNA at more than a million SNPs

Authors Rohland N, Mallick S, Mah M, Maier R, Patterson N et al.
Abstract

The strategy of in-solution enrichment for hundreds of thousands of single-nucleotide polymorphisms (SNPs) has been used to analyze >70% of individuals with genome-scale ancient DNA published to date. This approach makes it economical to study ancient samples with low proportions of human DNA and increases the rate of conversion of sampled remains into interpretable data. So far, nearly all such data have been generated using a set of bait sequences targeting about 1.24 million SNPs (the "1240k reagent"), but synthesis of the reagent has been cost-effective for only a few laboratories. In 2021, two companies, Daicel Arbor Biosciences and Twist Bioscience, made available assays that target the same core set of SNPs along with supplementary content. We test all three assays on a common set of 27 ancient DNA libraries and show that all three are effective at enriching many hundreds of thousands of SNPs. For all assays, one round of enrichment produces data that are as useful as two. In our testing, the "Twist Ancient DNA" assay produces the highest coverages, greatest uniformity on targeted positions, and almost no bias toward enriching one allele more than another relative to shotgun sequencing. We also identify hundreds of thousands of targeted SNPs for which there is minimal allelic bias when comparing 1240k data to either shotgun or Twist data. This facilitates coanalysis of the large data sets that have been generated using 1240k and Twist capture, as well as shotgun sequencing approaches.

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