Articles tagged with Ancient Dna
Using ancient and historical DNA can assess population genetic patterns and inform conservation actions. The study reveals that a/hDNA can be compared with contemporary data to set baselines for intra-species genetic diversity and estimate changes in effective population size.
Bronze Age women led a massive wave of immigration in Orkney, replacing most of the local population and leaving behind their male lineages for over a thousand years. The study's findings suggest that Orkney was more integrated with the outside world than previously thought.
Ancient DNA study reveals Bronze Age women replaced local population in Orkney, contrary to historical assumptions about European expansion trends. Genetic analysis suggests a complex and varied process of negotiation between indigenous males and newcomers from the south over many generations.
Researchers discovered a genetic mutation associated with small body size in dogs that also occurred in ancient wolves over 50,000 years ago. This finding presents a new evolutionary narrative and challenges the long-held theory that humans domesticated large wolves to create small companions.
Ancient Mesopotamian societies produced equid hybrids called kungas by crossing domestic donkeys with wild asses, offering a unique combination of strength and control. These animal hybrids were used for warfare and travel before the arrival of domestic horses in the region.
Researchers have discovered that participants in California's Gold Rush dined on salted Atlantic cod, highlighting the importance of global maritime trade. The findings were made possible through genetic analysis of 18 cod bones recovered from Thompson's Cove, which confirmed the importation of Atlantic cod during the late 1850s.
Researchers sequenced ancient DNA to understand lion and bear movement between continents. The study found that warm temperatures before the last Ice Age may have caused a change in plant abundance, affecting herbivores and predators.
Scientists have developed a new technique to extract DNA from the 'cement' head lice that attached eggs to hairs of ancient humans. This method reveals clues about pre-Columbian human migration patterns in South America, allowing for the study of unique samples from mummified remains where bone and tooth samples are unavailable.
Scientists successfully extracted DNA from sediment blocks stored up to 40 years ago, providing access to a vast untapped repository of genetic information. The study reveals that specific sediment features are more conducive to ancient DNA preservation than others.
Two studies highlight significant migration to Great Britain that replaced 50% of the island's ancestry during the Late Bronze Age. The analysis also reveals a dramatic increase in milk tolerance around 1200 B.C., providing new insights into dairy consumption in Britain.
A team of archaeologists and geneticists analyzed DNA from 35 individuals buried in a Neolithic tomb, revealing a single extended family with 27 close relatives. The research provides new insights into kinship and burial practices in Neolithic times.
A genetic variation among some Greenlanders makes sugar healthy by converting it into a short-chain fatty acid called acetate, which boosts the immune system. Adult carriers have lower BMI, weight, and fat percentage, while children may experience negative consequences from consuming sugar.
The study of 66 individuals from Kulubnarti, Sudan, reveals that people lived during a period of cultural and social change without strong relationships between social status and biological relatedness. Genetic analysis also shows that some second-degree relatives were buried across the cemetery divide, indicating fluidity among groups.
Researchers have discovered ancient DNA in soil samples from the Yukon, revealing that mammoths and North American horses persisted until as recently as 5,000 years ago. The findings provide new insights into the population dynamics of megafauna and challenge previous beliefs about their extinction.
A team of international researchers has developed a globally-applicable ethical code for ancient human DNA research, aiming to address social and cultural implications. The code proposes cooperation with stakeholders, minimal damage to human remains, and respect for indigenous communities' perspectives.
Researchers used DNA analysis to confirm traditional Tsleil-Waututh Nation fishing practices that promoted sustainable management and conservation. These practices, which selectively harvested male salmon, allowed for larger harvests while maintaining healthy populations and successful spawning.
A man has been confirmed as the great-grandson of Sitting Bull using ancient DNA extracted from his scalp lock. The new technique analyzes autosomal DNA to establish familial relationships between living and historical individuals, with potential applications in forensic investigations.
Researchers found that as icebergs melted, vegetation became scarce, making it difficult for the giant animals to survive. The team analyzed ancient environmental DNA and sequenced plant remains to draw globally significant conclusions.
A recent study published in PaleoAmerica journal challenges the long-held theory that Native Americans originated from Japan. The research, led by Professor Richard Scott, analyzed genetics and skeletal biology of teeth samples from multiple continents, finding little connection between the Jomon people and Native Americans.
A high-resolution map of Arab and Middle Eastern population genetics has been unveiled, providing new insights into human history in the region. The study revealed that ancient populations in the Arabian Peninsula played a central role in early human migration out of Africa.
A study examining ancient calculus samples from skeletal remains in South Tyrol and Trentino discovered previously unknown species of microorganisms. The researchers found that the diversity of oral microbiota decreased significantly over a short period of time, likely due to changes in diet and lifestyle.
A recent study using genome-wide data from 82 ancient individuals in central and southern Italy has clarified the origins of the enigmatic Etruscans. The results show that despite their unique cultural expressions, the Etruscans were closely related to their Italic neighbors, with genetic transformations associated with historical events.
Ancient DNA research has revealed multiple waves of introgression between archaic humans and modern humans, as well as genetic continuity with present-day populations. Genetic data support an origin of early modern humans in Africa, while Eurasian populations show several early human lineages.
A medieval Spanish individual, known as the 'Segorbe Giant,' has been analyzed using ancient DNA. The research found that he had a mix of North African and local Spanish ancestry, suggesting a complex history of migration and intermixing. This study sheds light on a dark event in medieval Spain's past.
New study finds that modern Japanese populations have a tripartite genetic origin, with contributions from Jomon hunter-gatherers, Yayoi farmers, and Kofun peoples. The analysis reveals a complex history of population dynamics, including assimilation rather than replacement during the agricultural transition.
Researchers have developed a sophisticated new tool to detect and identify rare and unknown viruses and potentially deadly bacterial pathogens. The algorithm helps isolate DNA sequences shared among related organisms, enabling faster detection and identification of pathogens in clinical or wildlife settings.
Researchers analyzed 1,785 ancient human genomes to determine parental relatedness, revealing that cousin marriages occurred only 3% of the time. The new method allowed for more efficient screening of ancient DNA, also providing insights into population dynamics and demographic impact of agriculture.
Researchers found Philippine Negrito ethnic group, Ayta Magbukon, possess the highest level of Denisovan ancestry in the world. Their Denisovan DNA is up to 46% greater than that of Australians and Papuans.
A new study generated 137 whole-genome sequences from eight Middle Eastern populations, filling a major gap in international genomic projects. The researchers found 4.8 million previously undiscovered genetic variants, which could hold medical relevance.
A recent study of the Suontaka grave challenges traditional beliefs about gender roles in Iron Age and Early Medieval communities. The analysis suggests that the buried individual had Klinefelter syndrome, indicating a non-binary person who was valued and respected by their community.
A team of geneticists sequenced DNA from a 1,600-year-old sheep mummy from Iran's Chehrābād salt mine, revealing ancient sheep husbandry practices. The preserved DNA showed remarkable integrity, with longer fragment lengths and less damage than expected.
Researchers from the Lundbeck Foundation GeoGenetics Centre have sequenced ancient DNA from soil for the first time, transforming the field of population genetics. The advance allows scientists to study the evolution of animals, plants, and microorganisms, with potential applications in climate change research.
A genetic analysis of a fossil toe bone from the Haitian cave-rail has uncovered unexpected links between Caribbean bird life and the Old World. The study found that the species' closest relatives are actually flufftails, flying birds native to sub-Saharan Africa, Madagascar, and New Guinea, and adzebills, large, extinct, flightless bi...
Researchers successfully extracted DNA from marine shells, revealing insights into the genetics of animal shrinking. The technique sheds light on how animals like lemurs and lizards adapt to human hunting pressure.
Researchers analyzed 50,000-year-old Neanderthal feces to identify beneficial bacteria essential for human health. The study suggests that targeted diet- and lifestyle-tailored solutions can help safeguard the microorganisms crucial to our physiology.
Researchers found that present-day Mariana Islanders' ancestry is linked to the Philippines, suggesting an Island Southeast Asia origin for the first settlers. The study also suggests a close link between Guam skeletons and early Lapita individuals from Vanuatu and Tonga.
A global study of ancient dog DNA found at least five different types of dogs more than 11,000 years ago in Europe, the Near East, and Siberia. The research team sequenced DNA from 27 dogs, showing that canine diversity originated when humans were still hunters and gatherers.
A study analyzing ancient DNA from Tibetan Plateau remains found that prehistoric bovids were genetically similar to modern Asian wild gaurs and diverged approximately 18,000 years ago. Rhinoceroses roamed the region between 8,000 to 6,000 years ago, suggesting a warm and moist environment at the time.
Researchers from the University of Warwick analyze sedimentary ancient DNA from Doggerland, revealing insights into a 8150-year-old tsunami and its impact on the region. The study develops new methods for authenticating ancient DNA, including metagenomic assessment methodology.
A recent study using ancient DNA, archaeological artifacts, and written records confirms the existence of state-enforced resettlement in 15th century southern Peru. The research reveals that nonlocal people were forcibly relocated to support the economy and quell threats to authority, transforming the Andean sociopolitical landscape.
Researchers successfully decoded ancient DNA extracted from the animal skins on which the Dead Sea Scrolls were written, discerning important historical connections. The study sheds new light on the Dead Sea Scrolls, providing a rare glimpse into the world of Second Temple Judaism.
A new study reveals that most cultural changes in the Near East had no lasting effect on the genetics of local people in Beirut. Only three periods - Iron Age, Alexander the Great's arrival, and Ottoman Empire domination - left a lasting genetic impact.
Researchers analyzed DNA of 89 ancient humans in the central Andes, finding early genetic differences between regions and surprising continuity. Genetic analysis revealed a north-south substructure of the Highlands developing by 5,800 BP, with minimal changes to the genetic structure of the central Andean region between 2,000 and 500 BP.
An international team analyzed genome-wide data from 89 ancient individuals in the central Andes, revealing early genetic distinctions between groups, population mixing, and surprising genetic continuity. The study provides a comprehensive portrait of pre-Columbian Andean civilizations.
Researchers have discovered remarkably well-preserved cartilage cells linked by an intercellular bridge and containing internal dark structures morphologically consistent with chromosomes. The team also found evidence of original molecules preserved in the dinosaur's cartilage, including a reaction to antibodies of Collagen II.
A new study analyzes genome-wide DNA data from 70 ancient individuals, revealing that Sardinian genetic ancestry remained relatively stable until the Iron Age, when Phoenician, Punic, and Roman populations arrived. The research provides insight into the island's unique history and ancestral connections among Mediterranean peoples.
Human consumption and transportation drove Bahamian hutia population growth and distribution, shaping its diversity over 1,000 years. The species' unique genetic similarities between isolated populations suggest intentional human relocation.
A team of international researchers has discovered ancient DNA from West Africa, providing new insights into the deep past of humankind. The study reveals that West Africans are genetically closer to central African hunter-gatherers than Bantu-speakers today.
Researchers have successfully extracted a complete ancient human genome from birch pitch used as 'chewing gum' 5,700 years ago. The findings reveal genetic information about an individual's physical characteristics, including dark skin, hair, and eyes, as well as their diet and oral microbiome.
Research using ancient DNA from German farmsteads (2750 BCE to 1300 BCE) identified a complex family structure and kinship-based social hierarchy, with females often marrying nonlocal men. Wealth and status were inherited by offspring, suggesting social status was passed down through generations.
Researchers sequenced the first genome of an individual from the Harappan civilization, showing that modern people in India are likely descended from this ancient culture. The findings suggest that farming began in South Asia through local hunter-gatherers adopting farming, contradicting previous theories.
A new ancient DNA study reveals the complex origins of populations in Central Asia, combining archaeological and genetic expertise to illustrate nuanced mechanisms of genetic diversity and change. The research, published in Science, is the largest in the world to date and addresses a significant gap in the ancient DNA dataset.
Scientists discovered Toxascaris leonina roundworm eggs in ancient puma coprolite from the Catamarca Province, Argentina, dated between 16,570 and 17,000 years ago. The findings provide evidence of parasites infecting wild mammals before human arrival in the region.
Ancient DNA data from Roopkund Lake reveals diverse groups of people died at the lake in multiple events around 1000 years apart. The study, published in Nature Communications, found three distinct genetic groups among the skeletons, with ancestries related to present-day India, the eastern Mediterranean, and Southeast Asia.
Researchers successfully extracted and sequenced DNA from a 2,500-year-old Creighton's caracara femur, yielding 98.7% of the bird's mitochondrial genome. The findings reveal that the species is closely related to two remaining caracara species alive today.
A recent study published in Nature reveals that ancient bones found in a Finnish lake contain DNA from the modern Sámi people, dating back to around 500-700 AD. The discovery contradicts previous theories about local populations and sheds light on the colonization history of Siberia.
Researchers from McMaster University and the University of Montpellier have reached almost identical results in two separate studies, overturning a longstanding consensus on sloth evolutionary relationships. The combined molecular evidence suggests that ancient sloths may have been at home on both land and in trees.
Researchers discovered oldest Scandinavian human DNA in ancient chewing gums, providing a link between material culture and genetics. The study sheds light on the genetic composition of early Mesolithic populations from Scandinavia.
A 5000-year-old mass grave in southern Poland has been uncovered, revealing the gruesome murder of a large family. Genetic analysis has shown that the victims were related, with mothers and children buried together, suggesting a deep sense of care and unity.
Researchers found that Uralic-speaking people in Northern Europe inherited genetic material from ancient Siberians, arriving by the start of the Iron Age. The study reveals a mix of genetic, archaeological, and linguistic data supporting this theory.