dna

Received An At-Home DNA Test As A Holiday Gift? Proceed With Caution

If you or a family member received a consumer genetic testing kit as a holiday gift, you probably weren’t alone. Sales of at-home DNA testing kits reportedly soared in 2017, as people sought clues to their ancestry or future health. Some genetic-testing companies encouraged the purchase of kits as holiday gifts — even offering free gift wrapping. However, the results from…

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Google Has Released an AI Tool That Makes Sense of Your Genome

Almost 15 years after scientists first sequenced the human genome, making sense of the enormous amount of data that encodes human life remains a formidable challenge. But it is also precisely the sort of problem that machine learning excels at. On Monday, Google released a tool called DeepVariant that uses the latest AI techniques to build a more accurate picture of a…

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How Neanderthals Influenced Human Genetics at the Crossroads of Asia and Europe

When the ancestors of modern humans migrated out of Africa, they passed through the Middle East and Turkey before heading deeper into Asia and Europe. Here, at this important crossroads, it’s thought that they encountered and had sexual rendezvous with a different hominid species: the Neanderthals. Genomic evidence shows that this ancient interbreeding occurred, and Western Asia is the most likely…

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‘Antibiotic Apocalypse’: Doctors Sound Alarm Over Drug Resistance

Scientists attending a recent meeting of the American Society for Microbiology reported they had uncovered a highly disturbing trend. They revealed that bacteria containing a gene known as mcr-1 – which confers resistance to the antibiotic colistin – had spread round the world at an alarming rate since its original discovery 18 months earlier. In one area of China, it…

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Two Ancient DNA Studies Provide New Insights into Lives of Neanderthals and Paleolithic Humans

Two separate teams of researchers have used advanced DNA sequencing methods to analyze the 52,000-year-old remains of a Neanderthal woman from Vindija Cave in Croatia, and the 34,000-year-old remains of four anatomically modern humans from the Upper Paleolithic archaeological site of Sunghir. The findings are published in two papers in the journal Science. Kay Prüfer et al. A high-coverage Neandertal genome from Vindija…

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UCLA Biologists Slow Aging, Extend Lifespan of Fruit Flies

In research that potentially could delay the onset of Parkinson’s disease, Alzheimer’s disease, cancer, stroke, cardiovascular disease, and other diseases of aging, biologists have produced a genetic one-two punch that significantly slowed aging and improved health in the middle-aged fruit flies they studied. The approach focuses on mitochondria, the tiny power generators within cells that control the cells’ growth and…

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