Category Archives: DNA

DNA: Raj Thackeray #39;s fall from grace
Once seen as a potential successor, then seen as the party that would destroy the Shiv Sena, Raj Thackeray and the Maharashtra Navnirman Sena have effectively been relegated to the scrap heap...

By: Zee News

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DNA: Raj Thackeray's fall from grace - Video

Decoding Ancient Bulgarian DNA - ASHG 2014 Poster
Download the poster "Decoding Ancient Bulgarian DNA with Semiconductor-based Sequencing" on Slideshare: ...

By: Life Technologies

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Decoding Ancient Bulgarian DNA - ASHG 2014 Poster - Video

The DNA of our legal system | Anna Grear | TEDxBonn
This talk was given at a local TEDx event, produced independently of the TED Conferences. In her inspiring talk, Anna Grear goes through the patterns of injustice and the legal system flaws...

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The DNA of our legal system | Anna Grear | TEDxBonn - Video

MyHeritage and 23andMe Join Forces to use DNA to track Family History
MyHeritage Founder and CEO, Gilad Japhet, on Bloomberg TV announcing MyHeritage #39;s collaboration with 23andMe and how MyHeritage technology, DNA analysis and historical records can help ...

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MyHeritage and 23andMe Join Forces to use DNA to track Family History - Video

Spot DNA
Spot Dna promocional.

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Spot DNA - Video

DNA Fuzller - #39;Outplayed #39; #4
Hey guys, its our boy DNA Fuzller with his first outplayed vid on the team channel, make sure to like and comment and if your feeling SNARKY! make sure to drop a sub would really help us get...

By: DNA GoW

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DNA Fuzller - 'Outplayed' #4 - Video

Yahel - DNA (Indra Remix)
Yahel - DNA (Indra Remix) Web: (Part of Plusquam Records) http://www.plusquam-records.net Facebook: http://www.facebook.com/pages/Planet-BEN-Records/94187234924 Beatport: ...

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Yahel - DNA (Indra Remix) - Video

By Jacque Wilson, CNN

updated 8:50 AM EDT, Thu October 23, 2014

This thigh bone was found six years ago on the banks of the Irtysh River in Siberia.

STORY HIGHLIGHTS

(CNN) -- DNA from a 45,000-year-old leg bone is giving scientists a better idea of when modern humans first started mating with Neanderthals.

The thigh bone was found six years ago on the banks of the Irtysh River in Siberia by Nikolai Peristov, a Russian artist who carves jewelry from ancient mammoth tusks, according to the journal Nature.

"It was quite fossilized, and the hope was that it might turn out (to be) old. We hit the jackpot," Bence Viola, a paleoanthropologist who co-led a study of the remains, told Nature. "It was older than any other modern human yet dated."

2013: Oldest human DNA found in Spain

For those who aren't familiar with our Stone Age ancestors, Neanderthals are an extinct species of human who differ in DNA from what scientists call "modern humans" by less than 1%. Modern humans first left Africa about 60,000 years ago, according to National Geographic, and wandered toward Asia and Europe. There, they encountered Neanderthals and another species of human called Denisovans.

Scientists believe Neanderthals died out about 30,000 years ago, possibly because they were simply absorbed into the modern human population. Roughly 2% of genomes of non-Africans today come from the Neanderthal species, according to Nature.

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Clues to Stone Age mating

The DNA from the 45,000-year-old bone of a man from Siberia is helping to pinpoint when modern humans and Neanderthals first interbred, researchers say.

Although modern humans are the only surviving human lineage, others once lived on Earth. The closest extinct relatives of modern humans were the Neanderthals, who lived in Europe and Asia until they went extinct about 40,000 years ago. Recent findings revealed that Neanderthals interbred with ancestors of modern humans when modern humans began spreading out of Africa 1.5 to 2.1 percent of the DNA of anyone living outside Africa today is Neanderthal in origin.

It remains uncertain when interbreeding between modern humans and Neanderthals occurred. Previous estimates of these events ranged from 37,000 to 86,000 years ago. [See Photos of Humanity's Closest Relative]

To help solve this mystery, scientists analyzed the shaft of a thighbone found by an artist and mammoth ivory collector, Nikolai Peristov, on the left bank of the river Irtysh near the settlement of Ust'-Ishim in western Siberia in 2008. They calculated the age of the man's bone to be about 45,000 years old.

"This is the earliest directly dated modern human outside of Africa and the Middle East, and the oldest modern human [genome] to have been sequenced," study co-author Janet Kelso, a computational biologist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, told Live Science.

Previously, scientists had suggested modern humans colonized Asia first by traveling a more southern, coastal route that gave rise to the present-day people of Oceania, while a later, more northern migration, gave rise to mainland Asians. The fact the researchers find direct evidence for the presence of a modern human in Siberia 45,000 years ago "indicates that early modern human migrations into Eurasia were not solely via a southern route as has been previously suggested," Kelso said.

Analysis of the carbon and nitrogen isotopes in his bones suggest the man ate so-called C3 plants that dominate cooler, wetter, cloudier regions examples of which include garlic, eggplants, pears, beans and wheat as well as animals that also dined on C3 plants. However, this analysis also revealed he may have eaten aquatic foods, probably freshwater fish, something seen in other humans from Europe of about the same time.

Genetic analysis of DNA from the bone revealed this man was equally closely related to present-day Asians and to early Europeans. "From this we conclude that the population to which the Ust'-Ishim individual belonged diverged from the ancestors of present-day Europeans and Asians before, or at around the same time as, these groups diverged from one another," Kelso said.

The scientists also found this man carried a similar level of Neanderthal ancestry as present-day Eurasians. Their research suggests Neanderthal genes flowed into the ancestors of this man 7,000 to 13,000 years before he lived.

These findings suggest modern humans and Neanderthals interbred approximately 50,000 to 60,000 years ago, "which is close to the time of the major expansion of modern humans out of Africa and the Middle East," Kelso said.

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What can a 45,000-year-old man teach us about our prehistoric mating habits?

Wanessa - Amor, Amor "DNA TOUR RELOADED" (FLEXX CLUB 18-10-14) FULL HD - BY LEH SANUTY
Wanessa - Amor, Amor (FLEXX CLUB 18-10-14) FULL HD - BY LEH SANUTY.

By: Leh Sanuty

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Wanessa - Amor, Amor "DNA TOUR RELOADED" (FLEXX CLUB 18-10-14) FULL HD - BY LEH SANUTY - Video