Oxygen-consuming organisms obtain energy through cellular respiration, which is the transformation of carbohydrates and oxygen into carbon dioxide and water. This process also produces toxic oxygen radicals which must be ...
Cell & Microbiology
Sep 7, 2011
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When researchers at the Buck Institute dialed back activity of a specific mRNA translation factor in adult nematode worms they saw an unexpected genome-wide response that effectively increased activity in specific stress ...
Biotechnology
Jul 5, 2011
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Two new papers in the Journal of General Physiology demonstrate the successes of using bifurcation theory and dynamical systems approaches to solve biological puzzles.
Cell & Microbiology
Jun 27, 2011
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A great many cellular processes are switched on or off by the modification of a given enzyme or other protein by addition of a phosphate molecule, known as phosphorylation. This regulatory activity occurs widely in the cytoplasm, ...
Cell & Microbiology
Mar 9, 2011
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(PhysOrg.com) -- Researchers at the University of Wyoming have characterized and engineered new proteins that expand the use of light as a tool to manipulate cell cultures, tissues and laboratory model animals.
Biochemistry
Jan 25, 2011
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The complex chain of metabolic events in bacteria that lead to fatal diseases such as tuberculosis (TB) may be better understood using mathematical models, according to an article published in the February issue of Microbiology ...
Cell & Microbiology
Feb 5, 2010
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Proteins, which perform such vital roles in our bodies as building and maintaining tissues and regulating cellular processes, are a finicky lot. In order to work properly, they must be folded just so, yet many proteins readily ...
Cell & Microbiology
Dec 10, 2009
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New data on signaling proteins, called G proteins, may prove important in fighting diseases such as cardiovascular, neurodegenerative disorders, and cancer. For many decades scientists have puzzled on "How signaling proteins ...
Biochemistry
Sep 21, 2009
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RNAs, serving as a mere intermediary between DNA and proteins, were long regarded as a poor relation by researchers, attracting little interest. However, following the discovery of small RNAs known as microRNAs, they have ...
Biotechnology
Sep 10, 2009
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(PhysOrg.com) -- Rummaging through a biotechnology company’s chemical closet, Yale University researchers found two molecules that will allow scientists to better study how cells move.
Biochemistry
Aug 3, 2009
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