(Phys.org) —Whether human or animal, vertebrate or invertebrate, nearly every creature begins life as a tiny clump of cells. Before those cells can begin blossoming toward being a fully formed organism, however, they first ...
Cell & Microbiology
Feb 3, 2014
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Membrane proteins are the "gatekeepers" that allow information and molecules to pass into and out of a cell. Until recently, the microscopic study of these complex proteins has been restricted due to limitations of "force ...
Analytical Chemistry
Dec 17, 2013
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To stay ahead in the race against drug-resistant infections, scientists constantly search for and exploit vulnerabilities in deadly bacteria. Now, researchers from Brown and the Massachusetts Institute of Technology have ...
Biochemistry
Sep 18, 2013
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By studying processes that occur at the ends of chromosomes, a team of Heidelberg researchers has unravelled an important mechanism towards a better understanding of cellular aging. The scientists focused on the length of ...
Cell & Microbiology
Sep 11, 2013
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Proteins are the chief actors in cells, carrying out the duties specified by information encoded in our genes. Most proteins live only two days or less, ensuring that those damaged by inevitable chemical modifications are ...
Cell & Microbiology
Sep 3, 2013
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(Phys.org) —By studying a gene in yeast, a team of scientists has found that modifications to histones—proteins associated with DNA—can control whether or not a gene is allowed to function and may be important in maintaining ...
Biotechnology
Aug 6, 2013
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(Phys.org) —A study on the mechanisms of how plants respond and adapt to elevated levels of carbon dioxide (CO2) and higher temperatures has opened a new perspective in climate research. Lead researcher Qiong A. Liu (Alison) ...
Biotechnology
Aug 2, 2013
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University of Oregon biochemists have determined how tiny synthetic molecules disrupt an important actin-related molecular machine in cells in one study and, in a second one, the crystal structure of that machine when bound ...
Cell & Microbiology
Jul 29, 2013
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(Phys.org) —Much of biomedical science – both mystifying and awe-inspiring to the lay public – depends on an unwavering focus on things that can't be easily seen, like the inner-workings of cells, in order to determine ...
Cell & Microbiology
Jul 15, 2013
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The interior of a living cell is a crowded place, with proteins and other macromolecules packed tightly together. A team of scientists at Carnegie Mellon University has approximated this molecular crowding in an artificial ...
Bio & Medicine
Jul 14, 2013
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