Cancer cells are resourceful survivors with plenty of tricks for staying alive. Researchers have uncovered one of these stratagems, showing how cells lacking the tumor suppressor BRCA1 can resume one form of DNA repair, sparing ...
Cell & Microbiology
Jan 21, 2013
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Johns Hopkins scientists have discovered a new mode of action for enzymes immersed in cellular membranes. Their experiments suggest that instead of recognizing and clipping proteins based on sequences of amino acids, these ...
Cell & Microbiology
Nov 16, 2012
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(Phys.org)—Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, with collaborators from Harvard University, the University of Madrid, Princeton University, and the University of Zurich, have ...
Biochemistry
Oct 10, 2012
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A trawl of the genome of the deadly bacterium Bacillus anthracis has revealed a clutch of targets for new drugs to combat an epidemic of anthrax or a biological weapons attack. The targets are all proteins that are found ...
Cell & Microbiology
Aug 20, 2012
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Soybeans soaking in warm water could become a new "green" source for production of a cancer-fighting substance now manufactured in a complicated and time-consuming industrial process, scientists are reporting in ACS' Journal ...
Biochemistry
May 9, 2012
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(Phys.org) -- Strains of bacteria from the genus Yersinia are pathogenic with a wide virulence range -- Y. pseudotuberculosis causes intestinal distress, and Y. pestis causes the plague.
Cell & Microbiology
Apr 12, 2012
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(PhysOrg.com) -- Chemists at The University of Texas at Austin have created a molecule that's so good at tangling itself inside the double helix of a DNA sequence that it can stay there for up to 16 days before the DNA liberates ...
Plants & Animals
Feb 13, 2012
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Gamers have solved the structure of a retrovirus enzyme whose configuration had stumped scientists for more than a decade. The gamers achieved their discovery by playing Foldit, an online game that allows players to collaborate ...
Cell & Microbiology
Sep 18, 2011
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Virtually all processes in the human body rely on a unique class of proteins known as enzymes. To study them, scientists want to attach these molecules to surfaces and hold them fast, but this can often be a tricky undertaking.
Biochemistry
Apr 11, 2011
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(PhysOrg.com) -- A Cardiff-led team has found a unique type of protein inside bacterial cells which could shed new light on organisms such as the disease-causing C. difficile.
Cell & Microbiology
Mar 25, 2011
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