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Current Ancient Dna News and Events, Ancient Dna News Articles.
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Cryo-EM reveals ignition mechanism for DNA replication
An international team of scientists, led by structural biologists at Van Andel Research Institute, has shed new light on a critical step in DNA replication, offering fresh insights into a fundamental process of life and driver of many different diseases, including cancer. (2017-10-23)
New function in gene-regulatory protein discovered
Researchers at UmeƄ and Stockholm universities in Sweden and Johns Hopkins University School of Medicine in the US have published a new study in the journal Molecular Cell. (2017-10-20)
Ancient DNA offers new view on saber-toothed cats' past
Researchers who've analyzed the complete mitochondrial genomes from ancient samples representing two species of saber-toothed cats have a new take on the animals' history over the last 50,000 years. (2017-10-19)
The birth of a new protein
A yeast protein that evolved from scratch can fold into a compact three-dimensional shape -- contrary to the general understanding of young proteins. (2017-10-19)
Maternal diet may program child for disease risk, but better nutrition later can change that
Research has shown that a mother's diet during pregnancy, particularly one that is high-fat, may program her baby for future risk of certain diseases such as diabetes. (2017-10-19)
Ancient, lost, mountains in the Karoo reveals the secrets of massive extinction event
For her PhD, Viglietti studied the fossil-rich sediments present in the Karoo, deposited during the tectonic events that created the Gondwanides, and found that the vertebrate animals in the area started to either go extinct or become less common much earlier than what was previously thought. (2017-10-18)
DNA tests on albatross poo reveal secret diet of top predator
A study that used DNA tests to analyse the scats of one of the world's most numerous albatrosses has revealed surprising results about the top predator's diet. (2017-10-18)
Study reshapes understanding of climate change's impact on early societies
A new study linking paleoclimatology -- the reconstruction of past global climates --with historical analysis by researchers at Yale and other institutions shows a link between environmental stress and its impact on the economy, political stability, and war-fighting capacity of ancient Egypt. (2017-10-17)
Study shows how water could have flowed on 'cold and icy' ancient Mars
Research by planetary scientists at Brown University finds that periodic melting of ice sheets on a cold early Mars would have created enough water to carve the ancient valleys and lakebeds seen on the planet today. (2017-10-17)
New antibiotic resistance genes found
Researchers at Chalmers University of Technology and the University of Gothenburg, Sweden, have found several previously unknown genes that make bacteria resistant to last-resort antibiotics. (2017-10-16)
Sleep duration may affect the integrity of sperm DNA
A new study found a link between sleep duration and a measure of chromosomal health in sperm. (2017-10-16)
A cautionary tale
A team led by LMU's Veit Hornung has elucidated the mechanism by which human cells induce inflammation upon detection of cytoplasmic DNA. (2017-10-16)
Fanged kangaroo research could shed light on extinction
Fanged kangaroos -- an extinct family of small fanged Australian kangaroos -- might have survived at least five million years longer than previously thought. (2017-10-15)
Genome-wide data from a 40,000-year-old man in China reveals complicated genetic history of Asia
The biological makeup of humans in East Asia is shaping up to be a very complex story, with greater diversity and more distant contacts than previously known, according to a new study analyzing the genome of a man that died in the Tianyuan Cave near Beijing, China 40,000 years ago. (2017-10-13)
Scientists discover novel mechanism that protects mitochondrial DNA
Researchers at the University of Eastern Finland have discovered a novel mechanism safeguarding mitochondrial DNA. (2017-10-12)
Newfoundland populated multiple times by distinct groups, DNA evidence shows
Researchers who've examined genetic evidence from mitochondrial DNA provide evidence that two groups of indigenous people in Canada, known as the Maritime Archaic and Beothuk, brought different matrilines to the island, adding further support to the notion that those groups had distinct population histories. (2017-10-12)
No trace of early contact between Rapanui and South Americans in ancient DNA
Rapa Nui (Easter Island, Chile) has long been a source of intrigue and mystery. (2017-10-12)
Paleogenomic analysis sheds light on Easter Island mysteries
New paleogenomic research conducted by an international team led by UC Santa Cruz appears to rule out the likelihood that inhabitants of Easter Island intermixed with South Americans prior to the arrival of Europeans on the island in 1722. (2017-10-12)
New regions of the human genome linked to skin color variation in some African populations
In the first study of its kind, an international team of genomics researchers have identified new regions of the genome that are associated with skin color variation in some African populations. (2017-10-12)
TSRI chemists use modified DNA nucleotides to create new materials
Chemists at The Scripps Research Institute (TSRI) have demonstrate that they can repurpose DNA to create new substances with possible medical applications. (2017-10-11)
DNA study in the Pacific reveals 2000 percent increase in our knowledge of mollusc biodiversity
Scientists working in the Pacific have revealed a remarkable 2000% increase in our knowledge of the biodiversity of seafloor molluscs in a region being explored for deep-sea mining. (2017-10-10)
Amazon farmers discovered the secret of domesticating wild rice 4,000 years ago
Amazonian farmers discovered how to manipulate wild rice so the plants could provide more food 4,000 years ago, long before Europeans colonized America, archaeologists have discovered. (2017-10-09)
Plant cells survive but stop dividing upon DNA damage
The cell cycle is how a cell passes its DNA but ceases if the DNA is damaged, as otherwise it risks passing this damage to daughter cells. (2017-10-06)
DNA damage caused by cancer treatment reversed by ZATT protein
An international team led by scientists at the National Institutes of Health is the first to discover a new way that cells fix an important and dangerous type of DNA damage known as a DNA-protein cross-link (DPC). (2017-10-06)
DNA barcoding technology helping monitor health of all-important boreal forests
The Boreal forest is essential to Canada and the world, storing carbon, purifying water and air and regulating climate. (2017-10-06)
More traits associated with your Neandertal DNA
After humans and Neandertals met many thousands of years ago, the two species began interbreeding. (2017-10-05)
New Neandertal and archaic human genomes advance our understanding of human evolution
Two new studies on ancient genomes provide valuable insights into the lives of our ancestors and their cousins, the Neandertals. (2017-10-05)
Albatross feces show diet of fishery discards
The first-ever analysis of fish DNA in albatross scat indicates a high level of interaction between seabirds and commercial fisheries. (2017-10-04)
Mystery of breast cancer risk gene solved, 20 years after its discovery
More than 20 years after scientists revealed that mutations in the BRCA1 gene predispose women to breast cancer, Yale scientists have pinpointed the molecular mechanism that allows those mutations to wreak their havoc. (2017-10-04)
Researchers find that accurately transcribing DNA overrides DNA repair
Researchers found that in the model organism E. coli, the fidelity of transcribing DNA comes at the expense of DNA repair. (2017-10-04)
Antibiotic susceptibility testing in 30 minutes or less may help doctors
Scientists have pioneered a method to detect antibiotic susceptibility for urinary tract infections in less than 30 minutes -- potentially enabling patients to be diagnosed and prescribed effective treatments during a single clinical visit. (2017-10-04)
Computer model unravels knotty problems in DNA
If you've ever tried to untangle a pair of earbuds, you'll understand how loops and cords can get twisted up. (2017-10-04)
Monstrous crocodile fossil points to early rise of ancient reptiles
A newly identified prehistoric marine predator has shed light on the origins of the distant relatives of modern crocodiles. (2017-10-02)
Meet the hominin species that gave us genital herpes
New research uses innovative data modeling to predict which species acted as an intermediary between our ancestors and those of chimpanzees to carry HSV2 -- the genital herpes virus -- across the species barrier. (2017-10-01)
TSRI researchers explore ways that a drug like Avandia can be made safer
With the heightened concerns over the dangerous side effects of the once-popular antidiabetic drug Avandia, researchers at The Scripps Research Institute (TSRI) in Jupiter, Florida, are working to understand how small molecules, like those in Avandia, can have such varied effects throughout the body. (2017-09-29)
Exploring an ancient event in pumpkin, gourd and melon evolution
Recently, scientists have making great strides in better understanding with the genomes sequenced of cucumber, watermelon, and melons. (2017-09-28)
Mapping the thylacine's mysterious loss from mainland
Ancient DNA extracted from fossil bones and museum specimens has shed new light on the mysterious loss of the Tasmanian tiger (thylacine) from Australia's mainland. (2017-09-28)
Modern humans emerged more than 300,000 years ago new study suggests
A genomic analysis of ancient human remains from KwaZulu-Natal revealed that southern Africa has an important role to play in writing the history of humankind. (2017-09-28)
Ancient genomes shed light on divergence in human populations
Sequencing and analysis of ancient African genomes suggests that humans first began to diverge as a population between 350,000 and 260,000 years ago. (2017-09-28)
Stone Age child reveals that modern humans emerged more than 300,000 years ago
How old is our species? The complete genomes of three Stone Age individuals from the KwaZulu-Natal coast, helped to shed light on the age of our species. (2017-09-28)
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