Chemists of Radboud University Nijmegen have found that a uniquely shaped enzyme that has never been seen before in biology is real: two interlocked ring structures, known as catenanes . The results have ...
Jun 17, 2013
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(Phys.org) —In the human body, lipids do not only serve as energy stores and structural elements, but they are also important signaling molecules. Disruptions of lipid signal transmission seem to be involved ...
Jun 12, 2013
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Cells have a sophisticated system to control and dispose of defective, superfluous proteins and thus to prevent damage to the body. Dr. Katrin Bagola and Professor Thomas Sommer of the Max Delbrück Center for Molecular Medicine ...
May 28, 2013
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Inactivated, but still active– how modification of an enzyme governs critical processes in sexual reproduction.
May 03, 2013
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Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechan ...
Apr 19, 2013
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(Phys.org) —In the search for new antibiotics, researchers are taking an unusual approach: They are developing peptides, short chains of protein building blocks that effectively inhibit a key enzyme of ...
Apr 09, 2013
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(Phys.org) —Illinois chemists have used DNA to do a protein's job, creating opportunities for DNA to find work in more areas of biology, chemistry and medicine than ever before.
Mar 19, 2013
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Protein activity is strictly regulated. Incorrect or poor protein regulation can lead to uncontrolled growth and thus cancer or chronic inflammation. Members of the Institute of Veterinary Biochemistry and Molecular Biology ...
Mar 10, 2013
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Scientists are reporting "laboratory resurrections" of several 2-3-billion-year-old proteins that are ancient ancestors of the enzymes that enable today's antibiotic-resistant bacteria to shrug off huge doses ...
Feb 27, 2013
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New protein probes are now helping scientists find the best biomass-to-biofuel production enzymes that nature has to offer. Turning biomass into biofuel hinges on the breakdown of the energy-rich primary ...
Feb 06, 2013
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In each cell, thousands of regulatory regions control which genes are active at any time. Scientists at the Research Institute of Molecular Pathology (IMP) in Vienna have developed a method that reliably ...
Jan 18, 2013
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Scientists are reporting development of the first practical way to make large amounts of a promising new anti-cancer substance that kills cancer cells differently than existing medicines. Their article on ...
Jan 16, 2013
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(Phys.org)—Epigenetics - the science of how gene activity can be altered without changes in the genetic code - plays a critical role in every aspect of life, from the differentiation of stem cells to the ...
Jan 08, 2013
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(Phys.org)—Two unique chemical probes designed at Pacific Northwest National Laboratory are helping scientists find how a pathogenic organism responsible for a severe lung infection thrives in human serum. ...
Jan 04, 2013
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Best known for its ability to transform simmering pots of sugared fruit into marmalades and jams, pectin is a major constituent of plant cell walls and the middle lamella, the sticky layer that glues neighboring ...
Dec 20, 2012
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