Sentences with phrase «dna from the bones»

Cooper and his team extracted DNA from the bones of a 26,000 - year - old extinct bison (Bison priscus) preserved in permafrost in the Canadian Arctic.

Orlando's group examined DNA from the bones of 15 Iron Age stallions from the ancient Scythian civilization: Two stallions were from a 2,700 - year - old grave site in Russia and 13 were sacrificed in a burial ritual about 2,300 years ago in Kazakhstan.

Analyzing DNA from the bones of chickens that lived 200-2300 years ago in Europe, researchers report that just a few hundred years ago domestic chickens may have looked far different from the chickens we know today.

Indeed, in a 2009 analysis of DNA from the bones of nearly 90 ancient horses dated from about 12,000 to 1000 years ago, researchers found genetic evidence for bay and black coat colors but no sign of the spotted variety, suggesting that the spotted horse could have been the figment of some artist's imagination.

Unfortunately, the researchers were unable to extract DNA from the bones, and radiocarbon dating failed.

It turned out that DNA from the bones Anderson sent to Baker matched a DNA sample from the family.

Extracting DNA from bone involves sucking out the calcium in the bone, says Bunce.

Charlotte Oskam and Michael Bunce of Murdoch University in Perth, Western Australia, who isolated the DNA, say researchers (including themselves) were using techniques designed to extract DNA from bone, not eggshells.

Now, using ancient DNA from the bones of the man and 13 others buried alongside him, scientists have come to a surprising conclusion — elite status passed down the maternal line, from mothers to their sons and daughters.

Not exact matches

Reuters: DNA bolsters Bulgaria's claim to have John the Baptist bone relics Bulgaria's claim to have unearthed six bones belonging to John the Baptist has received a boost from scientists who have concluded after dating them and analyzing their genetic code that they could indeed be relics of the man who baptized Jesus.

Dec. 18, 2013 — The most complete sequence to date of the Neanderthal genome, using DNA extracted from a woman's toe bone that dates back 50,000 years, reveals a long history of interbreeding among at least four different types of early humans living in Europe and Asia at that time, according to University of California, Berkeley, scientists.

If Eve was created from Adam's «rib» (the Bible actually says, «flesh and bone») does that mean she was «cloned» from the DNA in Adam's cells?

To explore European ancestry further, Willerslev's team extracted DNA from the ulna, or lower arm bone, of a skeleton of a young man discovered in 1954 at Kostenki 14, one of more than 20 archaeological sites at Kostenki - Borshchevo.

Neandertals were in Denisova Cave, too — Pääbo's team has sequenced their DNA from a toe bone and molar found there.

The Tianyuan Man did not have any detectable DNA from Denisovans, an elusive cousin of Neandertals known only from their DNA extracted from a few teeth and small bones from a Siberian cave and from traces of their DNA that can still be found in people in Melanesia — where they got it is a major mystery.

HEAR HEAR DNA extracted from an inner ear bone of this dog skull is helping researchers decipher dogs» origin story.

Researchers were able to extract DNA from a 430,000 - year - old hominin tooth and leg bone, and then sequence the individuals» genomes to determine their lineage.

They scrambled to outdo one another by publishing DNA sequences that were ever more ancient, with one fantastically claiming to have sequenced 80 - million - year - old DNA from dinosaur bones.

In 2015 a series of studies sequenced the DNA of human bones and other remains from many parts of Europe and Asia.

He estimated from looking over bones from the site that many had probably died within the last half century, which means that they could still prove useful for DNA tests.

DNA extracted from the bones of an extinct bison shows that the environment influenced the way the animal's genes worked without altering the genetic code.

A 2014 study found tuberculosis bacteria DNA in 1,000 - year - old Peruvian bones; in a surprise twist, it was not the European strain, but one likely contracted from seals.

They drilled into a hominin thigh bone from the cave and extracted 1.95 grams of material, processed it for DNA, and filtered out a large amount of modern human DNA — the bones had been heavily contaminated as they were removed and handled.

Researchers extracted maternally inherited mitochondrial DNA (mtDNA) from a 100,000 - year - old Neanderthal bone found in a German cave in the 1930s.

Johannes Krause and Svante Pääbo of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, zeroed in on mitochondrial DNA (which is passed down intact from a woman to her children) preserved in the ancient bone.

Willerslev and his colleagues were able to extract enough viable DNA from the boy's badly preserved bones to sequence his entire genome.

The 40,000 - year - old bone yielded DNA markedly different from that of modern humans or Neanderthals, challenging the current view of how our ancestors migrated out of Africa.

DNA from a tooth confirmed that the bones were indeed his.

The team looked at a certain section of mitochondrial DNA extracted from 0.5 - gram bone samples about half the size of a sugar cube.

In future endeavors Bello plans to work with the museum's DNA lab to see if the bones belonged to individuals who were related or if the skulls they found were from the same bodies.

New techniques (some developed in the last two to three years) for analyzing fragile DNA from ancient bones offer genetic snapshots of domestication as it played out long ago.

DNA extracted from the bones of a boy who lived in southern Africa about 2,000 years ago enabled scientists to estimate that humankind originated between 350,000 and 260,000 years ago (SN: 10/28/17, p. 16).

A new high - coverage DNA sequencing method reconstructs the full genome of Denisovans — relatives to both Neandertals and humans — from genetic fragments in a single finger bone

Since the species involved are already rare and difficult to sample in the wild, the researchers resorted to material from a total of 13 museum specimens — and extracted DNA from samples of bone, skin and the dried remains of soft tissues.

On a trip to collect DNA samples from ancient horse bones in Mongolia, Orlando got a whole new perspective on domestication.

This time they had sequenced DNA from a lone pinky finger bone, excavated from the Denisova cave in Siberia and dated to between 30,000 and 50,000 years old.

«I approached Svante Pääbo because his lab is the best in the world at DNA extraction from ancient bones.

She hopes that collecting DNA from the clumped crystals will lead to more reliable sequences, especially from human bones, which «could dramatically improve archaeological and anthropological studies, as well as forensic case studies».

Caramelli and colleagues made their first two stabs at sequencing Cro - Magnon DNA in 2003, extracting it from the bones of a 25,000 - year - old boy and 23,000 - year - old woman found in the Paglicci Cave in southern Italy.

By comparing our DNA with that of our big - boned relatives, Pääbo has already found spots in the modern human genome that appeared after we diverged from our Neanderthal cousins and evolved apart.

Using genetic material extracted from lemur bones and teeth dating back 550 to 5,600 years, an international team of researchers analyzed DNA from as many as 23 individuals from each of five extinct lemur species that died out after human arrival.

But now that increasingly powerful genomic technology can definitively identify a species from a fragment of bone or uncover Neanderthal genes embedded in the DNA of modern humans, there is less room for debate.

Extraction of DNA from fossil bones promises to be a powerful tool for analysing relationships among vanished populations, tracing their migrations, and finding their closest living relatives.

NATIVE GUY DNA from 8,500 - year - old Kennewick Man's skeleton indicates that he shared ancestry with modern Native Americans and perhaps was closely related to Northwest tribes that want to rebury his bones.

First, they salvaged DNA fragments degraded down to as few as 30 base pairs (by comparison, fragments from the frozen horse bone averaged 78 base pairs).

Genetic studies such as this one may help anthropologists understand those migrations — and their timing — even better by giving them a genetic «clock» to use when studying today's humans, or potentially DNA extracted from ancient bones.

«We've done a DNA analysis and concluded that the skull bone and horns are from the same animal, which certainly suggests that these specimens are authentic,» says Timm, who has been studying the bones since 1986.

DNA analysis showed that the skull bones themselves came from a common species of ruminant and had been cleverly pieced together with horns that had been heated, molded, and carved.

Because ancient DNA is almost always badly damaged, its signal is easily swamped by even a speck of more modern contaminants — anything from bacteria that invaded the bone after death to the roast beef sandwich residue on a researcher's hands.

But getting a DNA sample from a bone means drilling a hole in it, and archaeologists were not about to let geneticists go to work on the deteriorating human skeletons without some guarantee of a genome.