ABC News (blog) Personal Cancer Cures? All About Cancer Genomics in 9 Tweets ABC News (blog) This sounds like a far-fetched concept but it is closer to becoming reality thanks to the growing field of cancer genomics.
Fox11online.com Missing WWII soldier may be found with help of college's DNA lab Fox News MADISON, Wis. – The University of Wisconsin's DNA lab may help bring the final member of a World War II unit home.
Discovery of oldest-yet human DNA muddies family tree Alexandria Town Talk In a scientific tour de force, researchers analyzing a scrap of bone from an ancient human have extracted DNA at least 300,000 years old, more than double the age of the...
The frozen remains of a horse more than half a million years old have reluctantly given up their genetic secrets, providing scientists with the oldest DNA ever sequenced.
The horse was discovered in 2003 in the ancient permafrost of Canada’s west-central Yukon Territory, not far from the Alaskan border.
The Przewalski’s Horse, which lives on the steppes of central Asia, likely deviated from the lineage leading to modern domesticated horses some 50,000 years ago. (Photo: Joe Ravi)
And although the animal was dated to between 560,000 and 780,000 years old, an international team of researchers was able to use a new combination of techniques to decipher its genetic code.
Among the team’s findings is that the genus Equus — which includes all horses, donkeys, and zebras — dates back more than 4 million years, twice as long ago as scientists had previously believed.
“When we started the project, everyone — including us, to be honest — thought it was impossible,” said Dr. Ludovic Orlando of the University of Copenhagen, who coordinated the research, in a statement to Western Digs.
“And it was to some extent, with the methods available by then. So it’s clearly methodological advances that made this possible.”
Orlando and his colleagues published their findings this summer in the journal Nature; he discussed them today in a lecture at The Royal Society, London.
Previous to this, the oldest genome ever sequenced was of a 120,000-year-old polar bear — no small feat consider that the half-life of a DNA molecule is estimated to be about 521 years. By this reckoning, even under the best conditions, DNA could remain intact for no more than 6.8 million years.
But Orlando’s team was able to make the most of what they had for a number of reasons, he said.
June 14, 2014. All the Things That Mutate Our DNA. Megan Scudellari, The Scientist. The Associated Press. On an otherwise ordinary day in 1964, Bruce Ames picked up a box of potato chips and read the list of ingredients.
When it comes to your health, the genes you inherit from your parents and grandparents play a significant role. But it's not just about their genes; you can also be affected by the environmental factors they encountered.
Mistakes in the "recipe" of your DNA -- if bits of code go missing, or get swapped or damaged -- could spell the difference between life and death. DNA often gets damaged by everyday processes within our bodies, but also from external factors such as UV radiation or tobacco smoke. Luckily, our bodies are well equipped to fix this damage thanks, in part, to the BRCA2 gene, found on chromosome 11.
The Food and Drug Administration is ordering 23andMe to stop selling its saliva collection kits for its personal genome service.
23andMe is a health and ancestry DNA startup, founded by Anne Wojcicki in 2006. For $99, you receive a spit kit, provide 23andMe with a saliva sample, and send in your results.
Within a few weeks, you receive a bunch of information about what your DNA says about you.
But now the FDA is accusing 23andMe of violating the Federal Food, Drug, and Cosmetic Act, it recently stated in a warning letter addressed to 23andMe CEO Anne Wojcicki. In the letter, the FDA claims that 23andMe marketed its saliva collection kit and personal genome service without clearance or approval.
Cambridge company embarks on genome engineering Boston Globe “You can basically cut and paste to alter the DNA sequence.” The chief benefit of the CRISPR approach to genome engineering is its extreme precision and versatility.
Susan McClure's insight:
It's a brave new world we're living in! Exciting stuff!
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