(Phys.org) —University of Arizona geneticists have discovered the oldest known genetic branch of the human Y chromosome – the hereditary factor determining male sex.
Mar 04, 2013
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(Phys.org)—Depending on the strain, or genotype, of the human papillomavirus (HPV) (see image), the lesions it causes can range from relatively benign to cancer-causing. Differentiating between lesions ...
Feb 13, 2013
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Scientists at the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), a part of the National Institutes of Health, have demonstrated that DNA previously thought to be "junk" plays a critical role ...
Dec 11, 2012
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(Phys.org)—Scientists have discovered 100 million-year-old regions in the DNA of several plant species which could hold secrets about how specific genes are turned 'on' or 'off'.
Dec 05, 2012
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Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have created more than 100 three-dimensional (3D) nanostructures using DNA building blocks that function like ...
Nov 29, 2012
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Pop music megastar Lady Gaga is being honored with the name of a new genus of ferns found in Central and South America, Mexico, Arizona and Texas. A genus is a group of closely related species; in this case, 19 species of ...
Oct 23, 2012
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(PhysOrg.com) -- The human genome contains some 3 billion base pairs that are tightly compacted into the nucleus of each cell. If a DNA strand were the thickness of a human hair, the entire human genome would ...
Jan 17, 2012
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Researchers at RIKEN have uncovered a mechanism by which the effects of stress in the fly species Drosophila are inherited epigenetically over many generations through changes to the structure of chromatin, ...
Jun 23, 2011
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(PhysOrg.com) -- "Human beings are more or less like a computer," Jian-Jun Shu tells PhysOrg.com. "We do computing work, and our DNA can be used in computing operations." Shu is a professor at the School of Mec ...
May 16, 2011
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(PhysOrg.com) -- Nature might abhor a vacuum, but it loves a backup plan. In living organisms, physiological systems are kept under tight control by hierarchies of organic safety catches and emergency releases, ...
Jun 05, 2009
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A ghostly property of matter, called quantum tunneling, may aid the quest for accurate, low-cost genomic sequencing, according to a new paper in Nature Nanotechnology Letters by Stuart Lindsay and his collab ...
Mar 22, 2009
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