http://www.generef.com/ GeneRef - Science News, Genomics, Bioinformatics, Nanotechnology, A Global Resource en-us Thu, 29 Jul 2010 14:35:01 PDT kcowing@spaceref.com (Keith Cowing) mkboucher@spaceref.com (Marc Boucher) Copyright 2009, SpaceRef Interactive Inc. http://www.generef.com/images/generef.sm.jpg http://www.generef.com/ 100 25 GeneRef - Science News, Genomics, Bioinformatics, Nanotechnology, A Global Resource http://generef.com/newsstory.rss.html?pid=82597 http://generef.com/newsstory.rss.html?pid=82597 Over millions of years, retroviruses, which insert their genetic material into the host genome as part of their replication, have left behind bits of their genetic material in vertebrate genomes. In a recent study, published July 29 in the open-access jou Thu, 29 Jul 2010 14:18:19 PDT http://generef.com/newsstory.rss.html?pid=82596 http://generef.com/newsstory.rss.html?pid=82596 Researchers seeking to learn more about stroke by studying how the body responds to toxins in snake venom are this week releasing new findings that they hope will aid in the development of therapies for heart disease and, surprisingly, cancer. Thu, 29 Jul 2010 14:17:19 PDT http://generef.com/newsstory.rss.html?pid=82595 http://generef.com/newsstory.rss.html?pid=82595 The Food and Drug Administration received reports of malignancies in children using tumor necrosis factor a (TNF) blockers, raising concerns of an associated risk and prompting an investigation. Researchers from the FDA set out to identify all reports of Thu, 29 Jul 2010 13:17:24 PDT http://generef.com/newsstory.rss.html?pid=82591 http://generef.com/newsstory.rss.html?pid=82591 Researchers have discovered a novel mechanism in Salmonella that affects is virulence and its susceptibility to antibiotics. The mechanism changes the bacteria's production of proteins in a previously unheard of manner. It allows Salmonella to selectivel Thu, 29 Jul 2010 13:17:23 PDT http://generef.com/newsstory.rss.html?pid=82592 http://generef.com/newsstory.rss.html?pid=82592 Some trees growing in nutrient-poor forest soil may get what they need by cultivating specific root microbes to create compounds they require. These microbes are exceptionally efficient at turning inorganic minerals into nutrients that the trees can use. Thu, 29 Jul 2010 13:17:23 PDT http://generef.com/newsstory.rss.html?pid=82593 http://generef.com/newsstory.rss.html?pid=82593 The apparently random self-assembly of molecular threads into the proteins that make the body work is far less frantic than previously thought, Michigan State University scientists say. That discovery could be a key to help unlock the nature of some disea Thu, 29 Jul 2010 13:17:23 PDT http://generef.com/newsstory.rss.html?pid=82594 http://generef.com/newsstory.rss.html?pid=82594 Rice University researchers have created a theoretical method to calculate the time it takes long-chain polymers to pass through nano-sized pores in membranes. The researchers studied how membrane pore geometry affects the translocation of long polymers. Thu, 29 Jul 2010 13:17:23 PDT http://generef.com/newsstory.rss.html?pid=82590 http://generef.com/newsstory.rss.html?pid=82590 The following are story tips from the Department of Energy's Oak Ridge National Laboratory for August 2010. Thu, 29 Jul 2010 13:17:20 PDT http://generef.com/newsstory.rss.html?pid=82589 http://generef.com/newsstory.rss.html?pid=82589 Increasing the ratio of black carbon to sulfate in the atmosphere increases climate warming, suggests a study conducted by a University of Iowa professor and his colleagues and published in the July 25 issue of the journal Nature Geoscience. Thu, 29 Jul 2010 12:20:16 PDT http://generef.com/newsstory.rss.html?pid=82587 http://generef.com/newsstory.rss.html?pid=82587 Over a century of physics research published in the journals of the American Physical Society is now available for free to US public libraries. Thu, 29 Jul 2010 12:19:18 PDT http://generef.com/newsstory.rss.html?pid=82588 http://generef.com/newsstory.rss.html?pid=82588 By putting the right kind of strain onto a patch of graphene, Berkeley Lab researchers have created pseudo-magnetic fields far stronger than the strongest magnetic fields ever sustained in a laboratory. This finding opens a new window on a source of impor Thu, 29 Jul 2010 12:19:18 PDT http://generef.com/newsstory.rss.html?pid=82586 http://generef.com/newsstory.rss.html?pid=82586 The U.S. Food and Drug Administration is warning that inadvertent exposure to Evamist through skin contact with patients using this product has the potential for adverse effects in children and pets. Thu, 29 Jul 2010 11:21:02 PDT http://generef.com/newsstory.rss.html?pid=82585 http://generef.com/newsstory.rss.html?pid=82585 Graphene, a sheet of pure carbon, has been touted as a possible replacement for silicon-based semiconductors because of its useful electronic properties. Now, UC Berkeley physicists have shown that graphene has another unique and amazing property that cou Thu, 29 Jul 2010 11:19:16 PDT http://generef.com/newsstory.rss.html?pid=82584 http://generef.com/newsstory.rss.html?pid=82584 A new study led by Dr. Inna Slutsky of Tel Aviv University describes GABA (γ-Aminobutyric acid), a natural molecule that occurs in the brain, which could be the main factor in regulating how many new memories we can generate. The understanding of these m Thu, 29 Jul 2010 11:18:16 PDT http://generef.com/newsstory.rss.html?pid=82583 http://generef.com/newsstory.rss.html?pid=82583 A type of prostate cell that has been largely ignored by cancer researchers can trigger malignant prostate cancer. The studies provide researchers with a new tool for exploring the genetic changes that lead to prostate cancer. The advance may help in deve Thu, 29 Jul 2010 11:17:22 PDT http://generef.com/newsstory.rss.html?pid=82580 http://generef.com/newsstory.rss.html?pid=82580 UCLA scientists have identified for the first time a cell-of-origin for human prostate cancer, a discovery that could result in better predictive and diagnostics tools and the development of new and more effective targeted treatments for the disease. Thu, 29 Jul 2010 11:17:21 PDT http://generef.com/newsstory.rss.html?pid=82581 http://generef.com/newsstory.rss.html?pid=82581 Tougher than a bullet-proof vest yet synonymous with beauty and luxury, silks spun by worms and spiders are a masterpiece of nature whose properties have yet to be fully replicated in the laboratory. But scientists have begun to unravel the secrets of sil Thu, 29 Jul 2010 11:17:21 PDT http://generef.com/newsstory.rss.html?pid=82582 http://generef.com/newsstory.rss.html?pid=82582 Researchers have discovered an enzyme crucial to a type of DNA repair that also causes resistance to a class of cancer drugs most commonly used against ovarian cancer. Thu, 29 Jul 2010 11:17:21 PDT http://generef.com/newsstory.rss.html?pid=82579 http://generef.com/newsstory.rss.html?pid=82579   Thu, 29 Jul 2010 10:21:04 PDT http://generef.com/newsstory.rss.html?pid=82578 http://generef.com/newsstory.rss.html?pid=82578 Resveratrol, a popular plant extract shown to prolong life in yeast and lower animals due to its anti-inflammatory and antioxidant properties, appears also to suppress inflammation in humans, based on results from the first prospective human trial of the Thu, 29 Jul 2010 10:18:15 PDT