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Researchers have discovered a genetic divide during the Bronze Age, which correlates with linguistic patterns between Eastern and Western Indo-European populations. Distribution of Bell Beaker-derived and Yamnaya-derived ancestry proportions obtained from the IBD admixture model. Credit: bioRxiv (2024). Credit: Genetics (2024).
A groundbreaking genetic study conducted by researchers at the RIKEN Center for Integrative Medical Sciences has uncovered new evidence that challenges the longstanding belief in a dual-origin model of Japanese ancestry. of the genetic makeup there, while it decreases to just 13.4% in western Japan.
Recent research 1 has unveiled that multiple Denisovan populations existed, each uniquely adapted to their environments and contributing beneficial genes to various human populations through several distinct interbreeding events. Yet, many questions remain unanswered.
Researchers analyzed 254 newly sequenced genomes, uncovering evidence of extensive gene flow from West Papua into the islands of Wallacea. The region, home to immense linguistic and genetic diversity, has often puzzled researchers seeking to untangle its complex history. Related Research Lipson, M., Patterson, N., Moorjani, P.,
Bae of the University of Hawaiʻi at Mānoa and senior researcher Xiujie Wu from the Chinese Academy of Sciences, the research sheds light on a complex evolutionary period in Asia’s late Middle and early Late Pleistocene. Credit: Nature Communications (2024).
This research not only illuminates the genetic identity of the Picenes but also provides valuable insights into the broader demographic shifts that shaped Central Italy before and after the Roman conquest. Green gradients show the hypothesized origins of individuals with diverse ancestries in the Central Italic IA. Ravasini et al.
By analyzing distinctive genetic markers, researchers quantified this percentage, shedding light on the enduring impact of interbreeding events in human evolutionary history. “Most non-Africans today carry 1-2% Neanderthal ancestry, underscoring the impact of these interactions on the settlement of regions outside Africa.”
Through the analysis of a complete genome from an individual of the Yayoi period, researchers have provided evidence linking the majority of ancient immigrants to the Japanese Archipelago directly to the Korean Peninsula. he roots of immigration to the Japanese Archipelago Despite these findings, further research remains critical.
Neanderthal genes present in modern humans may have been introduced through an extended period of interbreeding starting around 47,000 years ago and lasting nearly 7,000 years, according to new research. Researchers continue to investigate when and where this genetic mingling occurred. 1 Iasi, L. Chintalapati, M., Hajdinjak, M.,
Researchers from the Max Planck Institute for Evolutionary Anthropology have decoded 1 the DNA of seven individuals found at sites in Germany and Czechia, revealing a lineage that carried traces of Neanderthal ancestry and left behind no modern descendants. Journal : Nature , 2014. Journal : Nature , 2018. Journal : Nature , 2014.
While researchers have long speculated about various factors, a new study from the Globe Institute at the University of Copenhagen provides significant evidence supporting the theory that Neanderthals may have vanished due to their isolated social structures and lack of genetic diversity.
health research endeavor aimed at capturing the genetic diversity of people across the nation. In response, the leader of the All of Us study, geneticist and CEO Josh Denny, acknowledged the validity of the criticisms, recognizing the evolving nature and complexity of genetic research. Genomic data in the All of Us Research Program.
New research 1 into ancient DNA from this site has now provided groundbreaking insights into the genetic history of its inhabitants, revealing a remarkable genetic continuity over thousands of years. Archaeologists have recovered a vast array of materials from the shelter, including the remains of 46 individuals. 1 Gretzinger, J., Gibbon, V.
Modern Europeans, with diverse genetic ancestries, carry traits influenced by the hunter-gatherers, farmers, and pastoralists. The research sheds light on the evolution of traits, from the ability to digest milk to genetic variants linked to a predisposition for multiple sclerosis. 1 Allentoft, M. -G., Pearson, A., Sousa da Mota, B.,
Shedding light on the enigmatic prevalence of MS in Northern Europeans, the research suggests an evolutionary trade-off and underscores the intricate interplay between genetics, environment, and disease. b) Steppe ancestry in contemporary samples estimated by reference 26. Refoyo-Martinez, A., Pearson, A., Ramsøe, A., Gaunitz, C.,
This discovery, spearheaded by researchers from Southeast University and Princeton University, sheds new light on the complex history of human evolution and interaction. The research underscores the long-standing history of contact between these two hominin groups. bps, base pairs. Bierman, R. F., & Akey, J.
Unraveling Japan's Genetic Complexity Population genetics offers a window into the intricate tapestry of human ancestry and evolutionary history. By elucidating genetic variants associated with disease risk and therapeutic response, researchers can chart new avenues for targeted interventions and preventive strategies.
Led by esteemed archaeologists Roman Garba and Vitaly Usik, this groundbreaking research, published in the esteemed journal Nature 1 , illuminates the migratory pathways of our ancient ancestors and challenges prevailing narratives of early human dispersal in Europe. million years. Stone tools from the Korolevo site in Ukraine. 1 Garba, R.,
In a groundbreaking study published in Nature 1 , researchers delve into the genetic legacy of this enigmatic civilization, shedding light on their intricate marriage customs and social structures. The Avars, a formidable warrior society of Central and Eastern Europe, once dominated vast territories in the 6th century. 1 Gnecchi-Ruscone, G.
Researchers have long debated when and where these mingling events occurred and whether they were isolated incidents or commonplace. This groundbreaking research leverages dozens of ancient Homo sapiens genomes to address long-standing questions about the origins of Neanderthal genes in modern humans. 1 Iasi, L. Chintalapati, M.,
A recent study led by researchers from London’s Natural History Museum and the KU Leuven Institute of Philosophy reignites the debate over whether Homo sapiens and Neanderthals ( Homo neanderthalensis ) should be classified as separate species. The researchers argue that interbreeding alone should not determine species classification.
A recent study, published in the European Journal of Archaeology 1 , suggests these plaques may represent one of humanity's earliest attempts at recording genealogy—a non-verbal precursor to modern ancestry documentation. zigzags, triangles), and a transitional band between these sections. PDF Link : Academia.edu 1 Lillios, K.
In a remarkable feat of ancient DNA analysis, researchers have reconstructed the genetic story of a baby boy who lived over 17,000 years ago in Ice Age Europe. The genetic material allowed researchers to reconstruct details about his physical appearance, ancestry, and even the health challenges he faced.
The research suggests that these ancient communities developed cultural strategies to mitigate inbreeding, challenging prior assumptions about their social structures. Lead researcher Luciana Simões highlights the existence of distinct social units with varied dietary habits, suggesting sophisticated cultural practices.
Colors indicate genetic ancestry, and black crosses designate individuals with the plague.Credit: Seersholm et al., Nature (2024) Waves of Plague The new study suggests that Scandinavia experienced three distinguishable waves of plague during the Neolithic period, spanning about 120 years. 1 Seersholm, F. Staring, J., Pinotti, T.,
Spanning nearly 6,000 years, this research, published in Nature 1 , showcases how some groups transitioned into farming societies while others maintained hunter-gatherer lifestyles. whereas the steppe groups revealed very few of such connections," the researchers concluded. Berezin, Y. Broomandkhoshbacht, N., Buzhilova, A. Erlikh, V.
The origins of the Armenian people, long entwined with the narratives of ancient historians, have undergone a significant re-evaluation thanks to groundbreaking genetic research. The results demonstrate a strong genetic continuity within the Armenian highlands, further distancing Armenian ancestry from the Balkans.
Through extensive DNA analysis, scientists from Trinity College Dublin, in collaboration with an international research team, have unlocked the complex genetic history of the aurochs—a prehistoric species that has been central to human culture, depicted in ancient art and later domesticated into what we know today as modern cattle.
Researchers from the University of Reading, the University of Oxford, and Durham University reveal that brain size increased incrementally within species over millions of years, rather than through dramatic leaps between species. Source: Progress in Brain Research. Source: Brain, Behavior and Evolution. Püschel, T. Barton, R.
A 2024 study by Deng, Nielsen, and Song in Genetics systematically dismantles the bottleneck hypothesis, raising questions about FitCoal’s reliability. Researchers speculate that FitCoal might overfit to specific genetic datasets, producing results that contradict broader trends. Nature Genetics, 46(8), 919–925.
Recent research, published in Current Biology 1 , has identified 18 genome regions responsible for variations in tooth size and shape. Dr. Kaustubh Adhikari, a UCL researcher and one of the study’s authors, emphasizes the significance of teeth in understanding humanity's past. Related Research Hlusko, L.
While previous studies have explored the roles of diet, environmental pressures, and genetics in brain development, new research 1 highlights an intriguing factor: gut microbes. This suggests that the shared trait of having large brains, rather than ancestry, shaped these microbial communities. Clayton, J. Amato, K.
In the APSA Public Scholarship Program, graduate students in political science produce summaries of new research in the American Political Science Review. This piece, written by Ewa Nizalowska, covers the new article by Isaac Gabriel Salgado, “Rethinking the Coloniality of Race: Blood Purity and the Politics of Periodization.”
The researchers analyzed genomic data from 46 whole genomes and 169 genotype arrays of Yemeni individuals, contextualizing these findings with data from 351 neighboring populations. Coastal regions like Aden and Hudaydah exhibit higher levels of African ancestry, reflecting Yemen’s role in maritime commerce. Saif-Ali, R.,
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