Daily Archives: April 2, 2014

DNA Talks About Okwerdz Beef And Judging In Battle Rap | #TheCrown
Pre-order the PPV now! http://bit.ly/1bIO2OP Before his battle with Young Kannon, DNA discusses judging in battle rap and whether or not he still wants to ba...

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DNA Talks About Okwerdz Beef And Judging In Battle Rap | #TheCrown - Video

Hunting for Microbial DNA
Until this year, identifying organisms at the BioBlitz was based purely on examining them-- looking at their shape, size, color, number of legs, etc-- and th...

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Hunting for Microbial DNA - Video

Cpia de DNA de Maromba GeteClub

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Cpia de DNA de Maromba GeteClub - Video

Ancestry Synchronicity: Using Ancestry DNA to Explore Our Humanness: Anita Foeman at TEDxWestChester
Anita Foeman has been a Professor in the Department of Communication Studies at West Chester University since 1982 in the same year that she received her PhD...

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Ancestry Synchronicity: Using Ancestry DNA to Explore Our Humanness: Anita Foeman at TEDxWestChester - Video

DNA Replication Project
By Enez and the Jessicas (For Grade 12 Bio class) MUSIC Chela - Romanticise Chance the Rapper - Good Ass Intro Chance the Rapper - Everything #39;s Good.

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DNA Replication Project - Video

The enzyme Cas9, shown in blue and gray, can cut DNA, in gold, at selected sites, as seen in this model from electron microscope images. Photo: New York Times

In the late 1980s, scientists at Osaka University in Japan noticed unusual repeated DNA sequences next to a gene they were studying in a common bacterium. They mentioned them in the final paragraph of a paper: "The biological significance of these sequences is not known."

Now their significance is known, and it has set off a scientific frenzy.

The sequences, it turns out, are part of a sophisticated immune system that bacteria use to fight viruses. And that system, whose very existence was unknown until about seven years ago, may provide scientists with unprecedented power to rewrite the code of life.

In the past year or so, researchers have discovered that the bacterial system can be harnessed to make precise changes to the DNA of humans, as well as other animals and plants.

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This means a genome can be edited, much as a writer might change words or fix spelling errors. It allows "customising the genome of any cell or any species at will," said Charles Gersbach, an assistant professor of biomedical engineering at Duke University.

Already the molecular system, known as CRISPR, is being used to make genetically engineered laboratory animals more easily than could be done before, with changes in multiple genes. Scientists in China recently made monkeys with changes in two genes.

Scientists hope CRISPR might also be used for genomic surgery, as it were, to correct errant genes that cause disease. Working in a laboratory - not, as yet, in actual humans - researchers at the Hubrecht Institute in the Netherlands showed they could fix a mutation that causes cystic fibrosis.

But even as it is stirring excitement, CRISPR is raising profound questions. Like other technologies that once wowed scientists - like gene therapy, stem cells and RNA interference - it will undoubtedly encounter setbacks before it can be used to help patients.

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A powerful new way to manipulate DNA

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London, Apr 2 : Iconic English naturalist and geologist Charles Darwin suffered from Crohn's disease, a new documentary has revealed.

Using some of his hairs 130 years after his death, Channel 4 looked into his DNA and discover why he struggled with a debilitating illness which affected his work on books, such as On the Origin of Species, which contributed to the theory of evolution.

In the second episode of Dead Famous DNA, Dr Stephan Schuster, Professor of Biochemistry and Molecular Biology at Pennyslvania State University analyses two of Darwin's 130-year-old beard hairs which came from his great, great grandson, the Mirror reported.

Darwin suffered from a debilitating mystery illness for most of his life. He had stomach problems, diarrhoea, skin issues, heart symptoms, fatigue, vomiting and headaches. Desperate to find a cure, Darwin tried eighteen different doctors.

Until now, no definite diagnosis had been possible. Most of Darwin's children were also sickly. Three out of the ten died, including his beloved eldest daughter Annie.

Darwin suspected he had an inherited illness and blamed himself for marrying his first cousin and passing on his poor health.

Professor Schuster extracted half of Darwin's DNA from the beard hairs and has been able to show that the scientist suffered from Crohn's disease, a condition which was not identified until fifty years after Darwin's death.

--ANI (Posted on 02-04-2014)

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DNA test reveals Charles Darwin had Crohn's disease

by LAUREN ZAKALIK

WFAA

Posted on April 1, 2014 at 5:44 PM

Updated yesterday at 6:00 PM

STEPHENVILLE Accused killer Eddie Ray Routh was escorted into downtown Stephenville Tuesday with a heavy police presence. He then walked into an Erath County courtroom shackled, but hands free.

His glasses, mustache and heavy build are a far cry from the mugshot taken last year after he was arrested for murdering Navy SEAL sniper Chris Kyle and his friend Chad Littlefield, then escaping in Kyle's truck.

Littlefield's parents, Don and Judy, sat quietly in the courtroom Tuesday as they waited for new information. Routh was in court for a motion hearing about DNA, a motion that has the potential to delay the trial.

When Kyle's truck was recovered, investigators collected animal and human hair evidence, according to Melissa Haas of the state DNA lab.

In court on Tuesday, we learned that evidence was never tested, but that could soon change.

Judge Jason Cashon ordered the state DNA lab to count and itemize all the hair evidence because of a new Texas statute. Once that list is complete, there will be another hearing to determine if the evidence should be tested for DNA.

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DNA testing possible at trial of sniper's accused killer

Eddie Ray Routh was indicted in the case.

STEPHENVILLE, Texas

A dispute over DNA testing could delay the trial of the man charged with killing famed Navy SEAL sniper Chris Kyle.

The Stephenville Empire-Tribune reportsthat Eddie Ray Routh's scheduled May trial date for the shootings of Kyle and friend Chad Littlefield could be in jeopardy.

While Routh's attorneys and prosecutors agreed on DNA testing of six items of evidence, they asked for a hearing Tuesday on evidence in which testing remains in dispute.

A state expert testified that new state law that vastly expands DNA testing in death penalty cases could require the testing, which may take several weeks more and force a delay.

Kyle is reputed to be the deadliest sniper in American history and the best-selling author of the memoir "American Sniper."

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DNA in American Sniper case could delay trial