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The Arabian Peninsula is considered the initial site of historic human migration out of Africa. The modern-day indigenous Arabians are believed to be the descendants who remained from the ancient split of the migrants into Eurasia. Here, we investigated how the population history and cultural practices such as endogamy have shaped the genetic variation of the Saudi Arabians.
View Article and Find Full Text PDFAnalysis of ancient desiccated feces - termed paleofeces or coprolites - can unlock insights into the lives of ancient people. We collected desiccated feces from caves in the Rio Zape Valley in Mexico (725-920 CE). First, we extracted DNA with methods previously optimized for paleofeces.
View Article and Find Full Text PDFThe Impact of Storage Conditions on DNA Preservation in Human Skeletal Remains: A Comparison of Freshly Excavated Samples and Those Stored for 12 Years in a Museum Depot.
Genes (Basel)
January 2025
Institute of Forensic Medicine, Faculty of Medicine, University of Ljubljana, Korytkova 2, 1000 Ljubljana, Slovenia.
As the field of ancient DNA research continues to evolve and produce significant discoveries, it is important to address the crucial limitations it still faces. Under conducive conditions, DNA can persist for thousands of years within human skeletal remains, but, as excavation occurs, the environment abruptly changes, often leading to the loss of DNA and valuable genetic information. Proper storage procedures are needed to mediate DNA degradation and maintain sample integrity.
View Article and Find Full Text PDFThe Expanding Universe of Extensions and Tails: Ribosomal Proteins and Histones in RNA and DNA Complex Signaling and Dynamics.
Genes (Basel)
January 2025
Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO UM110, 13288 Marseille, France.
This short review bridges two biological fields: ribosomes and nucleosomes-two nucleoprotein assemblies that, along with many viruses, share proteins featuring long filamentous segments at their N- or C-termini. A central hypothesis is that these extensions and tails perform analogous functions in both systems. The evolution of these structures appears closely tied to the emergence of regulatory networks and signaling pathways, facilitating increasingly complex roles for ribosomes and nucleosome alike.
View Article and Find Full Text PDFExploring the Potential of Genome-Wide Hybridization Capture Enrichment for Forensic DNA Profiling of Degraded Bones.
Genes (Basel)
December 2024
Australian Centre for Ancient DNA, The Environment Institute, School of Biological Sciences, The University of Adelaide, Adelaide, SA 5000, Australia.
Unlabelled: In many human rights and criminal contexts, skeletal remains are often the only available samples, and they present a significant challenge for forensic DNA profiling due to DNA degradation. Ancient DNA methods, particularly capture hybridization enrichment, have been proposed for dealing with severely degraded bones, given their capacity to yield results in ancient remains.
Background/objectives: This paper aims to test the efficacy of genome-wide capture enrichment on degraded forensic human remains compared to autosomal STRs analysis.
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