(Phys.org) —Olfactory sensory neurons – nerve cells in the nose – directly sense molecules that convey scent, then send the signals to the brain. Biologists have long wondered how it's possible for ...
Mar 05, 2013
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(Phys.org) —A protein that acts as a chaperone and escorts pathogenic bacteria through the acid bath of the human stomach actually needs to lose its shape in order to work.
Mar 05, 2013
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(Phys.org) —The removal of a genetic roadblock could improve the efficiency of converting adult cells into stem cells by 10 to 30 times, report scientists from The Methodist Hospital Research Institute ...
Mar 04, 2013
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A new study has examined how bacteria clog medical devices, and the result isn't pretty. The microbes join to create slimy ribbons that tangle and trap other passing bacteria, creating a full blockage in ...
Mar 01, 2013
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A procedure that allows accurate measurement of the levels of over 99% of the proteins generated by different strains of fission yeast could open the way for new laboratory applications of the species. Researchers ...
Mar 01, 2013
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(Phys.org)—Machines don't always run smoothly – phone calls drop, computers crash and cars stall.
Mar 01, 2013
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Researchers at the Johns Hopkins Malaria Research Institute have developed a new method for studying the complex molecular workings of Anopheles albimanus, an important but less studied spreader of human malaria. An. albimanus ...
Feb 28, 2013
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Four billion years ago, soon after the planet cooled enough for life to begin, primordial cells may have replicated and divided without protein machinery or cell walls, relying instead on just a flimsy lipid membrane. New ...
Feb 28, 2013
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Scientists at The University of Manchester have identified the method by which cells control the recycling of molecules, a process that is essential for them to move. The discovery provides researchers with a better understanding ...
Feb 28, 2013
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A single mutation in the H5N1 avian influenza virus that affects the pH at which the hemagglutinin surface protein is activated simultaneously reduces its capacity to infect ducks and enhances its capacity to grow in mice ...
Feb 28, 2013
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A team of researchers led by Associate Professor Yan Jie from the Department of Physics at the National University of Singapore (NUS) Faculty of Science has identified three new distinct overstretched deoxyribonucleic ...
Feb 28, 2013
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A study published today in the journal Nature reports that a viral predator of the cholera bacteria has stolen the functional immune system of bacteria and is using it against its bacterial host. The study provides the fi ...
Feb 27, 2013
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(Phys.org)—A research team at Weill Cornell Medical College has solved the 3D crystal structure of a member protein in one of the most important classes of human proteins—the G protein-coupled receptors ...
Feb 27, 2013
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A succession of distinct but surprising microbial communities populate apple blossoms during the flowers' life cycle, suggesting that the bacteria have a carefully regulated relationship with the common fruit ...
Feb 27, 2013
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Researchers at the A*STAR Institute of Medical Biology (IMB) have discovered a critical checkpoint protein that controls when human embryonic stem cells (hESCs) begin to differentiate.
Feb 27, 2013
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