HHMI News Copyright (c) 2005 Howard Hughes Medical Institute. HHMI News http://www.hhmi.org/news/top_stories.html en-us Thu, 18 Mar 2010 18:34:04 GMT Thu, 18 Mar 2010 18:34:04 GMT 30 Transcription Factors May Dictate Differences Between Individuals http://www.hhmi.org/ref/news/kasowski20100318.html/RSS An ambitious survey has identified differences in the binding of master regulators called transcription factors hat affect how genes are expressed in different people. Thu, 18 Mar 2010 14:00:00 EST http://www.hhmi.org/ref/news/kasowski20100318.html/RSS Bacterial Signatures Linger on Users' Keyboards http://www.hhmi.org/ref/news/knight20100315.html/RSS In a discovery that may one day aid law enforcement in identifying suspects, researchers have found that skin bacteria left behind on keyboards and computer mice can identify the objects’ users. Mon, 15 Mar 2010 14:59:00 EST http://www.hhmi.org/ref/news/knight20100315.html/RSS A Swiss Army Knife for Analyzing 3D Images http://www.hhmi.org/ref/news/peng20100314.html/RSS A new software package promises to greatly speed up scientists’ ability to assemble and manipulate extremely detailed microscope images. Sun, 14 Mar 2010 13:00:00 EST http://www.hhmi.org/ref/news/peng20100314.html/RSS Cancer Cells Have Pull http://www.hhmi.org/ref/news/groves20100312.html/RSS Experiments with an artificial cell surface demonstrate that a tumor’s aggressiveness is strongly correlated to its mechanical pulling power. Fri, 12 Mar 2010 00:00:00 EST http://www.hhmi.org/ref/news/groves20100312.html/RSS Gilliam Fellowships Aim to Increase Diversity in the Sciences http://www.hhmi.org/ref/news/gilliam20100309.html/RSS HHMI has selected five exceptional individuals to receive the 2010 Gilliam Fellowships. These students will join a dynamic group of 30 Gilliam fellows, who share a passion for science and a commitment to increasing diversity in the sciences. Tue, 09 Mar 2010 15:06:00 EST http://www.hhmi.org/ref/news/gilliam20100309.html/RSS New Finding Clarifies the Cause of Spinal Muscular Atrophy http://www.hhmi.org/ref/news/dreyfuss20100301.html/RSS New findings about an often fatal neurodegenerative disease suggest that helping a beneficial protein linger a little longer could promote neuron survival. Tue, 09 Mar 2010 14:43:00 EST http://www.hhmi.org/ref/news/dreyfuss20100301.html/RSS Asexual Plant Reproduction May Seed New Approach for Agriculture http://www.hhmi.org/ref/news/viellecalzada20100307.html/RSS An HHMI scientist has moved a step closer to turning sexually-reproducing plants into asexual reproducers, a finding that could have profound implications for agriculture. Sun, 07 Mar 2010 13:00:00 EST http://www.hhmi.org/ref/news/viellecalzada20100307.html/RSS New Ways to Disarm Deadly South American Hemorrhagic Fever Viruses http://www.hhmi.org/ref/news/abrahamharrison20100307.html/RSS Researchers have discovered how one New World hemorrhagic fever virus latches onto and infects human cells, offering a much-needed lead toward new treatments. Sun, 07 Mar 2010 13:00:00 EST http://www.hhmi.org/ref/news/abrahamharrison20100307.html/RSS Blood Vessel Cells Promote Self-Renewal of Blood Stem Cells http://www.hhmi.org/ref/news/rafii20100305.html/RSS Endothelial cells keep blood stem cells dividing healthily in a lab dish much longer and more effectively than previous methods of growing the cells. Fri, 05 Mar 2010 00:00:00 EST http://www.hhmi.org/ref/news/rafii20100305.html/RSS Appetite Grows When New Bacteria Take Over the Gut http://www.hhmi.org/ref/news/knight20100304.html/RSS A new study suggests that gut microbes might one day be grouped along with inadequate exercise and overeating as a cause of obesity and metabolic syndrome. Thu, 04 Mar 2010 16:52:00 EST http://www.hhmi.org/ref/news/knight20100304.html/RSS Mitochondrial DNA's Surprising Variability Could Complicate Forensic and Genealogical Analyses http://www.hhmi.org/ref/news/vogelstein20100304.html/RSS The mitochondrial genome, long thought to be nearly identical in every cell in the human body, actually varies to a surprising degree. Thu, 04 Mar 2010 15:23:00 EST http://www.hhmi.org/ref/news/vogelstein20100304.html/RSS What Model Organisms Can Teach about Emotion http://www.hhmi.org/ref/news/andersonaaas20100220.html/RSS At the AAAS Annual Meeting, David Anderson discussed how studies of model organisms such as mice and fruit flies can improve scientists' understanding of the neural basis of emotion. Sat, 20 Feb 2010 17:00:00 EST http://www.hhmi.org/ref/news/andersonaaas20100220.html/RSS 2010 Annual Meeting of the American Association for the Advancement of Science http://www.hhmi.org/ref/news/witteaaas20100220.html/RSS At the AAAS Annual Meeting on Feb. 20, Owen Witte discussed a new tool to understand how cancers grow -- and with it a new opportunity to identify novel cancer drugs. Sat, 20 Feb 2010 15:00:00 EST http://www.hhmi.org/ref/news/witteaaas20100220.html/RSS Stem Cell Challenges and Opportunities Discussed at AAAS Meeting http://www.hhmi.org/ref/news/daleyaaas20100220.html/RSS At the AAAS Annual Meeting on Feb. 20, George Daley described the current climate facing stem cell researchers in the United States. Sat, 20 Feb 2010 15:00:00 EST http://www.hhmi.org/ref/news/daleyaaas20100220.html/RSS Turning Back the Molecular Clock to Reverse Rapid Aging http://www.hhmi.org/ref/news/daley20100217.html/RSS Researchers have created a group of stem cells from patients who have a disorder that causes accelerated aging and bone marrow failure. Using a genetic reprogramming technique to “turn back the molecular clock” in these cells appears to reset the cells and reverses rapid aging. Wed, 17 Feb 2010 11:37:00 EST http://www.hhmi.org/ref/news/daley20100217.html/RSS