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Current Ancient Dna News and Events, Ancient Dna News Articles.
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3-D scanning methods allow an inside look into fossilized feces
Coprolites are fossilized feces that give evidence of an organism's behavior and often contain food residues, parasite remains and other fossils that provide clues to ancient paleoecological relations. (2017-08-24)
DNA sensor system developed for specific and sensitive measurement of cancer-relevant enzyme activity
The development of DNA sensor systems is of great importance for advances in medical science. (2017-08-23)
Altered mitochondria associated with increased autism risk
Mitochondria, the tiny structures inside our cells that generate energy, may play a key role in autism spectrum disorders (ASD). (2017-08-23)
On the other hand, the immune system can also cause cancer
CU Cancer Center study describes how immune response designed to scramble viral DNA can scramble human DNA as well, sometimes in ways that cause cancer. (2017-08-23)
You and some 'cavemen' get a genetic checkup
Evolution has weeded out genetic variants associated with diseases for millennia and propagated variants that protect against ailments, a comparative genetics study shows. (2017-08-23)
Crystal structure reveals new details of nonstandard RNA transcription
By capturing the crystal structure of RNA polymerase during a nontraditional form of transcription -- reiterative transcription -- researchers have identified a new pathway used by RNA to exit an enzyme. (2017-08-22)
Ancient Earth's hot interior created 'graveyard' of continental slabs
MIT geologists have found that ancient Earth's hotter interior created a (2017-08-22)
More than 99 percent of the microbes inside us are unknown to science
A survey of DNA fragments circulating in the blood suggests the microbes living within us are vastly more diverse than previously known. (2017-08-22)
Remarkable artistry hidden in ancient Roman painting revealed
Molten lava, volcanic ash, modern grime, salt, humidity. The ancient painting of a Roman woman has been through it all, and it looks like it. (2017-08-21)
Antarctic salt-loving microbes provide insights into evolution of viruses
UNSW Sydney scientists studying microbes from some of the saltiest lakes in Antarctica have discovered a new way the microbes can share DNA that could help them grow and survive. (2017-08-21)
Searching for the 'signature' causes of BRCAness in breast cancer
Breast cancer cells with defects in the DNA damage repair-genes BRCA1 and BRCA2 have a mutational signature known in cancer genomics as 'Signature 3.' But not all breast tumor cells exhibiting Signature 3 have BRCA1 or BRCA2 mutations. (2017-08-21)
Citrus: From luxury item to cash crop
New research from Tel Aviv University reveals that citrons and lemons were status symbols for the ancient Roman ruling elite. (2017-08-18)
Poisonings went hand in hand with the drinking water in Pompeii
The ancient Romans were famous for their advanced water supply. (2017-08-17)
How the genome sets its functional micro-architecture
EPFL scientists show how DNA is organized into specific regions, and that this depends on a combination of genomic distance and the presence of the CTCF protein. (2017-08-17)
Early Indian Ocean trade routes bring chicken, black rat to eastern Africa
The earliest introduction of domestic chickens and black rats from Asia to the east coast of Africa came via maritime trade routes between the 7th and 8th centuries AD. (2017-08-17)
Mars 2020 mission to use smart methods to seek signs of past life
NASA's Mars 2020 mission, which will look for signs of past life on Mars, will use smart methods originally developed to find the oldest life on Earth, according the mission's Deputy Project Scientist, Dr Ken Williford. (2017-08-16)
Study solves mystery of how first animals appeared on Earth
Research led by the Australian National University has solved the mystery of how the first animals appeared on Earth, a pivotal moment for the planet without which humans would not exist. (2017-08-16)
Toxic formaldehyde is produced inside our own cells, scientists discover
New research has revealed that some of the toxin formaldehyde in our bodies does not come from our environment -- it is a by-product of an essential reaction inside our own cells. (2017-08-16)
Impaired DNA replication can cause epigenetic changes inherited for several generations
Scientists reveal that a fault in the process that copies DNA during cell division can cause epigenetic changes that may be inherited for up-to five generations. (2017-08-16)
Noninvasive detection for early stage cancers from circulating DNA
A new DNA sequencing-based method could help noninvasively detect early stage cancers by analyzing fragments of genetic material circulating in the blood that originate from tumors. (2017-08-16)
New blood test may transform the way cancer is monitored and treated
Stanford University scientists have described a new type of test that can detect genetic mutations in minute amounts of DNA released from cancer cells into the blood. (2017-08-14)
How head-on collisions of DNA protein machines stop replication
Head-on collisions between the protein machines that crawl along chromosomes can disrupt DNA replication and boost gene mutation rates. (2017-08-14)
Analysis finds defeat of Hannibal 'written in the coins of the Roman Empire'
Analysis of ancient Roman coins has shown that the defeat of the Carthaginian general Hannibal led to a flood of wealth across the Roman Empire from the silver mines of Spain. (2017-08-13)
DNA sequencing tools lack robust protections against cybersecurity risks
A new study analyzing the security hygiene of common, open-source DNA processing programs finds evidence of poor computer security practices used throughout the field. (2017-08-10)
CU study: Ancient DNA used to track Mesa Verde exodus in 13th century
Ancient DNA used to track the mass exodus of Ancestral Pueblo people from Colorado's Mesa Verde region in the late 13th century indicates many wound up in the Northern Rio Grande area north of Santa Fe, N.M., inhabited today by the Tewa Pueblo people. (2017-08-10)
Origins of DNA folding suggested in archaea
Proteins in archaea bend strands of DNA in a way that's similar in eukaryotes, new research from HHMI investigator and colleagues reveals. (2017-08-10)
Microbe may explain evolutionary origins of DNA folding
In the cells of palm trees, humans, and some single-celled microorganisms, DNA gets bent the same way. (2017-08-10)
Archaeologists uncover 3,000-year-old female statue at citadel gate complex in Turkey
The remains of a majestic female statue uncovered at an archaeological site in southeast Turkey may challenge our understanding of the public role of women in the ancient world. (2017-08-10)
Novel stem cell-derived model created of inflammatory neurological disorder
An international team of scientists, led by University of California San Diego School of Medicine researchers, has created a human stem cell-based model of a rare, but devastating, inherited neurological autoimmune condition called Aicardi-Goutieres Syndrome (AGS). (2017-08-10)
New technique offers clues to measure the deoxygenation of the ocean
The living, breathing ocean may be slowly starting to suffocate. (2017-08-09)
ASU graduate student leads study estimating oxygen loss in ancient global ocean
What can an oceanic extinction event 94 million years ago tell us about the future of today's oceans? (2017-08-09)
Lunar dynamo's lifetime extended by at least 1 billion years
In a paper published today in Science Advances, researchers from MIT and Rutgers University report that a lunar rock collected by NASA's Apollo 15 mission exhibits signs that it formed 1 to 2.5 billion years ago in the presence of a relatively weak magnetic field of about 5 microtesla. (2017-08-09)
Maize from El Gigante Rock Shelter shows early transition to staple crop
Mid-summer corn on the cob is everywhere, but where did it all come from and how did it get to be the big, sweet, yellow ears we eat today? (2017-08-07)
New look at archaic DNA rewrites human evolution story
A U-led team developed a method for analyzing DNA sequence data to reconstruct early history of archaic human populations, revealing an evolutionary story that contradicts conventional wisdom about modern humans, Neanderthals and Denisovans. (2017-08-07)
DNA from Viking cod bones suggests 1,000-year history of European fish trade
New research using DNA from the fish bone remains of Viking-era meals reveals that north Norwegians have been transporting -- and possibly trading -- Arctic cod into mainland Europe for a millennium. (2017-08-07)
Modern domestic dog has a single geographic origin
By analyzing the DNA of two prehistoric dogs from Germany, an international research team has determined that their genomes were the probable ancestors of modern European dogs. (2017-08-07)
Scientists discover unknown virus in 'throwaway' DNA
A chance discovery has opened up a new method of finding unknown viruses. (2017-08-04)
Ancient asteroid family unveils the early solar system
Astronomers have identified an ancient family of asteroids residing in the Main Belt (the area between Mars and Jupiter) that is nearly as old as the solar system itself, yielding important insights into how the planets and asteroids formed. (2017-08-03)
Farmers selected maize for agricultural use at high elevations
By analyzing ancient genomes of maize, scientists have found evidence suggesting that eventual agricultural use of the crop throughout the temperate highlands of the US likely occurred due to propagation of varieties with earlier flowering times. (2017-08-03)
Ancient DNA analysis reveals Minoan and Mycenaean origins
DNA analysis of archaeological remains has revealed that Ancient Minoans and Mycenaens were genetically similar with both peoples descending from early Neolithic farmers. (2017-08-02)
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