Monthly Archives: October 2014

Wanessa - DNA Tour Reloaded Flexx Club 18.10.14 Parte 02
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Maurice Gleeson - Which DNA test is best for you?
There are three main types of DNA test that can help you with your family tree research. Which test is best for you very much depends on what question you want the answer to. In brief, if you...

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Gender Bender DNA Twister Extreme Part 1, Hmm.. | Tenarium
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DNA Lounge Parklet

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Baby Alien in Mexico (DNA tests and scans baffles scientists)
Baby Alien in Mexico.

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E-Voting: DNA of Democracy

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E-Voting: DNA of Democracy - Video

The Hana DNA 30 vs the MVP 2.0
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The Hana DNA 30 vs the MVP 2.0 - Video

On July 29, 2005 around 12:30 p.m., two men broke the glass display case of a Cumberland Mall store and helped themselves to more than $100,000 worth of jewelry, according to police. The only thing left behind was blood after one of the men apparently cut himself on the glass.

But that blood was enough to identify a suspect more than nine years later, thanks to DNA. An Atlanta man, Antevise Deon Brown, has been charged with felony theft by taking in the case, according to his arrest warrant. Hes accused of stealing numerous items from Crown Jewelers.

In March 2006, the GBI Crime Lab determined the DNA sample matched a sample from a 2003 case in Clayton County, the arrest warrant states. But at the time, investigators had not identified the suspect.

Brown was arrested in July in an unrelated case, according to police. And this time, the GBI confirmed Browns recent DNA sample matched the blood sample from the 2005 theft.

Brown was being held in the Fulton County jail Tuesday afternoon on drug charges, booking records showed.

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DNA leads police to suspect in $100K jewelry theft from 2005

Attorneys continue to wait on DNA test results to determine if a Chicago man was wrongly convicted in a grisly January 2000 attack on a North Chicago man.

During a brief status hearing Tuesday, Lake County Judge George Bridges granted more time for testing after attorneys said lab technicians need another month to complete their work on items found in the North Chicago home where Delwin Foxworth was beaten.

Defense attorney David Owens, of the Exoneration Project at the University of Chicago Law School, said he also would need more time after the DNA tests are finished to review the findings and determine if they show whether Marvin Williford, 43, was involved in the slaying.

Williford is serving an 80-year prison sentence after being convicted in 2004 of attacking Foxworth, who was beaten with a 2x4 board, bound with duct tape and set on fire, officials said. Foxworth ultimately died from his injuries in 2002.

DNA recovered from the board used to beat Foxworth did not match Williford, authorities said. However, the DNA touch samples matched DNA found in the 1992 murder of 11-year-old Holly Staker in Waukegan.

Staker was stabbed, raped and strangled inside a Waukegan apartment where she baby-sat.

Juan Rivera, formerly of Waukegan, was convicted of the murder and spent 20 years in prison. However, DNA evidence exonerated Rivera, and he was released from prison in January 2012.

No one has been charged with the crime since his release.

Like Rivera, Williford has long maintained his innocence and never confessed to the crime, Owens said.

On Tuesday, Owens told Bridges the investigation is not focusing only on DNA, but also on other items recovered in the home where Foxworth was beaten.

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More time needed in latest Lake County DNA case

By analysing DNA extracted from the petrous bones of skulls of ancient Europeans, scientists have identified that these peoples remained intolerant to lactose (natural sugar in the milk of mammals) for 5,000 years after they adopted agricultural practices and 4,000 years after the onset of cheese-making among Central European Neolithic farmers.

The findings published online in the scientific journal Nature Communications (21 Oct) also suggest that major technological transitions in Central Europe between the Neolithic, Bronze Age and Iron Age were also associated with major changes in the genetics of these populations.

For the study, the international team of scientists examined nuclear ancient DNA extracted from thirteen individuals from burials from archaeological sites located in the Great Hungarian Plain, an area known to have been at the crossroads of major cultural transformations that shaped European prehistory. The skeletons sampled date from 5,700 BC (Early Neolithic) to 800 BC (Iron Age).

It took several years of experimentation with different bones of varying density and DNA preservation for the scientists to discover that the inner ear region of the petrous bone in the skull, which is the hardest bone and well protected from damage, is ideal for ancient DNA analysis in humans and any other mammals.

According to Professor Ron Pinhasi from the UCD Earth Institute and UCD School of Archaeology, University College Dublin, the joint senior author on the paper, "the high percentage DNA yield from the petrous bones exceeded those from other bones by up to 183-fold. This gave us anywhere between 12% and almost 90% human DNA in our samples compared to somewhere between 0% and 20% obtained from teeth, fingers and rib bones."

For the first time, these exceptionally high percentage DNA yields from ancient remains made it possible for scientists to systematically analyse a series of skeletons from the same region and check for known genetic markers including lactose intolerance.

"Our findings show progression towards lighter skin pigmentation as hunter and gatherers and non-local farmers intermarried, but surprisingly no presence of increased lactose persistence or tolerance to lactose" adds Professor Pinhasi.

"This means that these ancient Europeans would have had domesticated animals like cows, goats and sheep, but they would not yet have genetically developed a tolerance for drinking large quantities of milk from mammals," he says.

According to Professor Dan Bradley from the Smurfit Institute of Genetics, Trinity College Dublin, co-senior author on the paper, "our results also imply that the great changes in prehistoric technology including the adoption of farming, followed by the first use of the hard metals, bronze and then iron, were each associated with the substantial influx of new people. We can no longer believe these fundamental innovations were simply absorbed by existing populations in a sort of cultural osmosis."

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Ancient Europeans intolerant to lactose for 5,000 years after they adopted agriculture