️ 76: Whole-genome Ancestry of an Old Kingdom Egyptian
Base by Base15 Jul 2025

️ 76: Whole-genome Ancestry of an Old Kingdom Egyptian

️ Episode 76: Whole-genome Ancestry of an Old Kingdom Egyptian

In this episode of PaperCast Base by Base, we explore the first 2× coverage whole-genome sequence recovered from a high-status individual of the Old Kingdom excavated at the Nuwayrat necropolis and examine the evidence for multi-regional ancestry during early Dynastic Egypt.

Study Highlights:

The research team extracted and authenticated ancient DNA from a pot-burial dating to 2855–2570 cal BCE and generated a 2.02× coverage genome allowing comprehensive ancestry inference. Population genetic analyses revealed that approximately 78% of the genome traces back to North African Neolithic populations and 22% to Neolithic Mesopotamian sources, demonstrating early contacts between Egypt and the eastern Fertile Crescent. Radiocarbon dating, osteological examination, and isotopic profiling confirmed the individual’s timeline, physiological attributes, and Nile Valley upbringing. Uniparental marker and admixture modeling provided further resolution of complex migration and continuity patterns predating known Bronze Age expansions.

Conclusion:

This study establishes the feasibility of whole-genome sequencing for early Dynastic Egyptians and uncovers direct genetic links between ancient Egypt and West Asia, reshaping our understanding of population dynamics in the Old Kingdom.

Reference:

Jacobs AM et al. Whole-genome ancestry of an Old Kingdom Egyptian. Nature. 2025. DOI:10.1038/s41586-025-09195-5

License:

This episode is based on an open-access article published under the Creative Commons Attribution 4.0 International License (CC BY 4.0) – https://creativecommons.org/licenses/by/4.0/

On PaperCast Base by Base you’ll discover the latest in genomics, functional genomics, structural genomics, and proteomics.

Denne episoden er hentet fra en åpen RSS-feed og er ikke publisert av Podme. Den kan derfor inneholde annonser.

Episoder(444)

441: Evolutionary mapping of Cav1.3 functional sites

441: Evolutionary mapping of Cav1.3 functional sites

Tang X et al., PNAS - The authors apply an evolutionary sequence-covariation model to the Cav1.3 (CACNA1D) α1-subunit, map predicted pathogenicity onto structural models, and validate five predicted s...

14 Aug 24min

440: DENV-4: Suppressing DNA Repair and Causing Genome Damage

440: DENV-4: Suppressing DNA Repair and Causing Genome Damage

Lamkina EN et al., PNAS - This episode reviews a PNAS brief report showing that DENV-4 infection induces marked DNA damage in infected cells while broadly suppressing transcription of DNA repair pathw...

12 Aug 23min

440: DENV-4: Suppressing DNA Repair and Causing Genome Damage

440: DENV-4: Suppressing DNA Repair and Causing Genome Damage

Lamkina EN et al., PNAS - This episode reviews a PNAS brief report showing that DENV-4 infection induces marked DNA damage in infected cells while broadly suppressing transcription of DNA repair pathw...

12 Aug 23min

439: Coembedding Sequence and Structure: CLSS Maps the Protein Universe

439: Coembedding Sequence and Structure: CLSS Maps the Protein Universe

Longo LM et al., PNAS - This episode summarizes a PNAS study introducing CLSS, a contrastive two-tower protein language model that coembeds domain sequences, structures, and subsequences into a shared...

11 Aug 23min

438: Mapping AIRE: a proactive atlas of 9,790 missense variants

438: Mapping AIRE: a proactive atlas of 9,790 missense variants

Axakova A et al., The American Journal of Human Genetics - Axakova et al. generated a variant effect map for AIRE using an insulin‑promoter GFP reporter in HEK293 cells to measure the functional impac...

10 Aug 24min

437: Cell villages and Dirichlet modeling map human cell fitness genetics

437: Cell villages and Dirichlet modeling map human cell fitness genetics

Hanson C et al., The American Journal of Human Genetics - Hanson et al. combine pooled multi-donor human neural progenitor cell "villages" with Townlet, a hierarchical Dirichlet regression model, to e...

9 Aug 28min

436: KIAP4 and the ARND family: building the Leishmania adhesion plaque

436: KIAP4 and the ARND family: building the Leishmania adhesion plaque

Owino BO et al., PNAS - Using TurboID proximity proteomics and microscopy, researchers identify KIAP4 as the canonical member of a conserved Adhesion Related NTPase-like Domain (ARND) family that loca...

8 Aug 24min

435: E. coli TGT binds two tRNAs — cryo-EM reveals dual engagement

435: E. coli TGT binds two tRNAs — cryo-EM reveals dual engagement

Ember M et al., PNAS - This episode examines a cryo-EM study of Escherichia coli tRNA-guanine transglycosylase (TGT) that solves the enzyme structure and its covalent intermediate with tRNATyr. Unexpe...

7 Aug 19min

Populært innen Vitenskap

fastlegen
tingenes-tilstand
romkapsel
jss
liberal-halvtime
rekommandert
villmarksliv
abels-tarn
dekodet-2
vett-og-vitenskap-med-gaute-einevoll
sinnsyn
fjellsportpodden
rss-overskuddsliv
rss-rekommandert
tomprat-med-gunnar-tjomlid
rss-inn-til-kjernen-med-sunniva-rose
hva-er-greia-med
rss-nysgjerrige-norge
diagnose
kvinnehelsepodden