Prions, the much-maligned proteins most commonly known for causing "mad cow" disease, are commonly used in yeast to produce beneficial traits in the wild. Moreover, such traits can be passed on to subsequent generations and ...
Cell & Microbiology
Feb 15, 2012
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(PhysOrg.com) -- A new study shows the production of sperm is more biologically taxing than previously thought, and expending energy on it has significant health implications.
Plants & Animals
Jan 30, 2012
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A team of scientists, led by researchers at the University of California, San Diego School of Medicine and Zacharon Pharmaceuticals, have developed a simple, reliable test for identifying biomarkers for mucopolysaccharidoses ...
Biochemistry
Jan 8, 2012
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Much of what living cells do is carried out by "molecular machines" – physical complexes of specialized proteins working together to carry out some biological function. How the minute steps of evolution produced these ...
Cell & Microbiology
Jan 8, 2012
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One of the few reliable ways to extend an organism's lifespan, be it a fruit fly or a mouse, is to restrict calorie intake. Now, a new study in fruit flies is helping to explain why such minimal diets are linked to longevity ...
Biotechnology
Nov 2, 2011
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Physicists at the Technische Universitaet Muenchen (TUM) are opening a new window into the life of biological cells, using a technique that lets them grab the ends of a single protein molecule and pull, making continuous, ...
General Physics
Oct 27, 2011
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Researchers have built a map that shows how thousands of proteins in a fruit fly cell communicate with each other . This is the largest and most detailed protein interaction map of a multicellular organism, demonstrating ...
Cell & Microbiology
Oct 27, 2011
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(PhysOrg.com) -- Our body consists of individual organs that are made of cells, which in turn contain a number of separate organelles. Biological function cannot be maintained if there are no separate compartments, and compartments ...
Materials Science
Oct 6, 2011
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A new technique developed by researchers at the Stanford University School of Medicine allows researchers to identify the exact DNA sequences and locations bound by regulatory RNAs. This information is necessary to understand ...
Cell & Microbiology
Sep 29, 2011
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When sperm meets egg, the chemical instructions that tag sperm cells must be erased so that human life can start anew. One way these instructions are erased is through demethylation, the removal of specific chemical tags ...
Cell & Microbiology
Sep 22, 2011
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