Sentences with phrase «ancient plant dna»

Not exact matches

Prompted by the extraordinary DNA identity, the scientists used information from decades - old botanical collections, knowledge of the seasonal movements of ancient hunter - gatherer - farmers and molecular DNA clock calculations to work out that the plants» seeds had almost certainly been transported by humans about 10,000 years ago.

Using ancient DNA, along with the remains of pollen, plants, and animals collected from lake sediments, a new study has an answer: about 12,600 years ago.

Scientists have been giving us new views of the prehistoric world in the past decade that hinge on the realization that «biomolecules» such as ancient DNA and collagen can survive for tens of thousands of years and give important information about long - dead plants, animals, and humans.

The new views of the prehistoric world hinge on the realization that «biomolecules» such as ancient DNA and collagen can survive for tens of thousands of years and give important information about long - dead plants, animals, and humans.

But the collection is more than just a dookie archive; researchers from around the world can pull DNA fragments from the material, use plant matter stuck in the poo to re-create ancient diets («Look!

Now, studies of ancient DNA by two independent research groups show what was happening to the plant's genes middomestication, about 5000 years ago.

As researchers from many fields realize just how much ancient DNA can tell them, the method is being applied to everything from the peopling of Europe to how plants and pathogens respond to climate change.

For the ancient DNA analysis, the team used methods pioneered by paleogeneticist Eske Willerslev of the University of Copenhagen to recover and sequence genetic material left behind in sediments even after the plants that originally contained it have disintegrated.

«However, during genetic testing of ancient cobs, we were astonished to find that 70 percent of the DNA from the Tehuacan162 cob was from the plant!»