Like cats, human cells have a finite number of lives-once they divide a certain number of times (thankfully, more than nine) they change shape, slow their pace, and eventually stop dividing, a phenomenon called "cellular ...
Cell & Microbiology
Oct 3, 2010
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In a new study this week, Rice University scientists bring the latest tools of computational biology to bear in examining how the processes of natural selection and evolution influence the way bacteria acquire immunity from ...
Cell & Microbiology
Sep 15, 2010
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DNA microarrays are one of the most powerful tools in molecular biology today. The devices, which can be used to probe biological samples and detect particular genes or genetic sequences, are employed in everything from forensic ...
Analytical Chemistry
Aug 3, 2010
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(PhysOrg.com) -- Scientists at the University of Dundee have discovered a protein that acts as a 'molecular scissors' to repair damaged DNA in our cells, a finding which could have major implications for cancer treatments.
Cell & Microbiology
Jul 9, 2010
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Modern evolutionary systematists often use molecular methods, such like mitochondrial DNA analysis, to differentiate between species and subspecies. These molecular methods are a flashy symbol of modern science cleverly exploited ...
Evolution
Jun 7, 2010
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The scientists Modesto Orozco, group leader of the Molecular Modelling and Bioinformatics Group at IRB Barcelona, Full Professor of Biochemistry and Molecular Biology at the University of Barcelona and director of the Life ...
Biochemistry
May 20, 2010
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(PhysOrg.com) -- A research team has made precise measurements of where and how RNA polymerase encounters obstacles while it reads nucleosomal DNA.
Cell & Microbiology
May 14, 2010
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Researchers from Columbia University, Arizona State University, the University of Michigan and the California Institute of Technology (Caltech) have created and programmed robots the size of single molecule that can move ...
Nanophysics
May 13, 2010
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A team of scientists from Columbia University, Arizona State University, the University of Michigan, and the California Institute of Technology (Caltech) have programmed an autonomous molecular "robot" made out of DNA to ...
Bio & Medicine
May 12, 2010
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(PhysOrg.com) -- New research takes the study of biological rhythms, like the heart beat, to a new level: the cell cycle. Scientists at Rockefeller University have proposed that the orderly succession of events in cell division ...
Cell & Microbiology
Apr 19, 2010
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