Researchers could use plant's light switch to control cells
(PhysOrg.com) -- Chandra Tucker shines a blue light on yeast and mammalian cells in her Duke University lab and the edges of them start to glow. The effect is the result of a light-activated switch from a ...
Oct 31, 2010 |
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1 gene lost = 1 limb regained? Scientists demonstrate mammalian regeneration through single gene deletion
A quest that began over a decade ago with a chance observation has reached a milestone: the identification of a gene that may regulate regeneration in mammals. The absence of this single gene, called p21, confers a healing ...
Mar 15, 2010 |
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Promise of nanodiamonds for safer gene therapy
Gene therapy holds promise in the treatment of a myriad of diseases, including cancer, heart disease and diabetes, among many others. However, developing a scalable system for delivering genes to cells both efficiently and ...
Nanotechnology / Bio & Medicine
Sep 01, 2009 |
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Expression of infrared fluorescence engineered in mammals
(PhysOrg.com) -- Researchers at the University of California, San Diego - led by 2008 Nobel-Prize winner Roger Tsien, PhD - have shown that bacterial proteins called phytochromes can be engineered into infrared-fluorescent ...
May 07, 2009 |
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Neuroscientists discover long-term potentiation in the olfactory bulb
Ben W. Strowbridge, Ph.D, associate professor of Neuroscience and Physiology/Biophysics, and Yuan Gao, a Ph.D. student in the neurosciences program at Case Western Reserve University School of Medicine, are the first to discover ...
Medicine & Health / Neuroscience
May 03, 2009 |
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Researchers build a new surface material that resists biofilm growth
This is the tale of two biological substances—cells from mammals and bacteria. It's a story about the havoc these microscopic entities can wreak on all manner of surfaces, from mighty ships to teeth and medical devices, and ...
Mar 19, 2009 |
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New screening technique yields elusive compounds to block immune-regulating enzyme
Scientists at The Scripps Research Institute have found the first chemical compounds that act to block an enzyme that has been linked to inflammatory conditions such as asthma and arthritis, as well as some ...
May 11, 2012 |
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Enzyme corrects more than one million faults in DNA replication
Scientists from the Medical Research Council (MRC) Institute of Genetics and Molecular Medicine (IGMM) at the University of Edinburgh have discovered an enzyme that corrects the most common mistake in mammalian DNA.
May 10, 2012 |
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Jarid2 may break the Polycomb silence
Historically, fly and human Polycomb proteins were considered textbook exemplars of transcriptional repressors, or proteins that silence the process by which DNA gives rise to new proteins. Now, work by a ...
Apr 30, 2012 |
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Scientists discover multiple gene switches in Salmonella, offer new ways to curb infection
Scientists have discovered multiple gene switches in Salmonella that offer new ways to curb human infection. The discovery of the mechanisms of gene regulation could lead to the development of antibiotics to reduce the le ...
Apr 23, 2012 |
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Insulin, nutrition prevent blood stem cell differentiation in fruit flies
UCLA stem cell researchers have shown that insulin and nutrition keep blood stem cells from differentiating into mature blood cells in Drosophila, the common fruit fly, a finding that has implications for studying inflammatory ...
Mar 12, 2012 |
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Investigators predict, confirm how E. coli bacteria hijack cells' directional mechanism
Working in the emerging field of systems biology, UT Southwestern Medical Center researchers mathematically predicted how bacteria that cause food poisoning hijack a cell's sense of direction and then confirmed those predictions ...
Mar 01, 2012 |
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A surprising molecular switch: Lipids help control the development of cell polarity
In a standard biology textbook, cells tend to look more or less the same from all sides. But in real life cells have fronts and backs, tops and bottoms, and they orient many of their structures according to ...
Feb 19, 2012 |
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Chemists develop faster, more efficient protein labeling
North Carolina State University researchers have created specially engineered mammalian cells to provide a new "chemical handle" which will enable researchers to label proteins of interest more efficiently, without disrupting ...
Feb 05, 2012 |
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Bionic bacteria may help fight disease and global warming
A strain of genetically enhanced bacteria developed by researchers at the Salk Institute for Biological Studies may pave the way for new synthetic drugs and new ways of manufacturing medicines and biofuels, ...
Sep 21, 2011 |
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