In the fruit fly Drosophila, oskar mRNA, which is involved in defining the animal’s body axes, is produced in the nuclei of nurse cells neighbouring the oocyte, and must be transported to the oocyte and ...
Nov 26, 2009
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(PhysOrg.com) -- The atomic-level action of a remarkable class of ring-shaped protein motors has been uncovered by researchers with the Lawrence Berkeley National Laboratory using a state-of-the-art protein ...
Nov 20, 2009
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A chemical cousin of the common antibiotic tetracycline might be useful in treating spinal muscular atrophy (SMA), a currently incurable disease that is the leading genetic cause of death in infants. This is the finding of ...
Nov 04, 2009
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(PhysOrg.com) -- Using an RNA-powered nanomotor, University of Cincinnati (UC) biomedical engineering researchers have successfully developed an artificial pore able to transmit nanoscale material through ...
Sep 28, 2009
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Researchers at the Johns Hopkins School of Medicine have discovered how one antioxidant protein controls the activity of another protein, critical for the development of spinal cord neurons. The research, publishing this ...
Sep 18, 2009
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(PhysOrg.com) -- Friction limits the speed and efficiency of macroscopic engines. Is this also true for nanomachines? A Dresden research team used laser tweezers to measure the friction between a single motor ...
Aug 14, 2009
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New research with transgenic mice reveals that a therapy directed at the muscle significantly improves disease symptoms of a genetic disorder characterized by destruction of the neurons that control movement. The study, published ...
Aug 12, 2009
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(PhysOrg.com) -- The development of the brain proceeds a little like the European settlement of North America. The earliest pioneers settled on the east coast with subsequent waves of settlers forming communities further ...
Jul 23, 2009
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Every cell lining the small intestine bristles with thousands of tightly packed microvilli that project into the gut lumen, forming a brush border that absorbs nutrients and protects the body from intestinal ...
Jun 29, 2009
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(PhysOrg.com) -- By using ultrafast laser pulses to slice off pieces of chromosomes and observe how the chromosomes behave, biomedical engineers at the University of Michigan have gained pivotal insights into mitosis, the ...
May 29, 2009
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(PhysOrg.com) -- Certain fish species blend with their environment by changing color. Sandia National Laboratories researchers have demonstrated that, in theory, they could cause synthetic materials to change ...
Apr 17, 2009
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Chemists at New York University and Harvard University have created a bipedal, autonomous DNA "walker" that can mimic a cell's transportation system. The device, which marks a step toward more complex synthetic molecular ...
Apr 02, 2009
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Chemists at the University of Illinois have created a simple and inexpensive molecular technique that replaces an expensive atomic force microscope for studying what happens to small molecules when they are stretched or compressed.
Mar 29, 2009
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A protein identified by researchers at Baylor College of Medicine helps maintain a critical balance between two types of neurons, preventing motor dysfunction in mammals.
Mar 25, 2009
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Spartin, a protein linked to the neuronal disease Troyer syndrome, was thought to function in endocytosis. In the March 23, 2009 issue of the Journal of Cell Biology, Eastman et al. identify an unexpected role f ...
Mar 23, 2009
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