An artificial base that enhances the protein-binding affinity and selectivity of DNA expands the DNA machinery.DNA aptamers are expected to play an important role in the diagnosis and treatment of various cancers and other ...
Biochemistry
Jul 19, 2013
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Every cell in an organism's body has the same copy of DNA, yet different cells do different things; for example, some function as brain cells, while others form muscle tissue. How can the same DNA make different things happen? ...
Biotechnology
Jul 10, 2013
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In nearly every organism's genome, scattered between genes that encode proteins, long regulatory regions stretch across expanses of DNA. Understanding what role these so-called enhancer regions play in controlling the activation ...
Biotechnology
Jul 1, 2013
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Scientists at the University of Liverpool have shed new light on how diving mammals, such as the sperm whale, have evolved to survive for long periods underwater without breathing.
Plants & Animals
Jun 13, 2013
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With mutations, it turns out that context can be everything in determining whether or not they are beneficial to their evolutionary fate.
Evolution
Jun 13, 2013
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The tight wrapping of genomic DNA around nucleosomes in the cell nucleus makes it unavailable for gene expression. A team of Ludwig-Maximilians-Universitaet (LMU) in Munich now describes a mechanism that allows chromosomal ...
Biochemistry
May 23, 2013
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The protein C4BP is similar to a spider in its spatial form with eight "arms". The structure of the "spider body" has recently been described in detail by researchers from the Helmholtz Centre for Infection Research (HZI) ...
Cell & Microbiology
Apr 26, 2013
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(Phys.org) —Newcastle University scientists have revealed the mechanism that causes a slime to form, making bacteria hard to shift and resistant to antibiotics.
Biochemistry
Apr 12, 2013
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A team led by David Reverter, a researcher at the Institute of Biotechnology and Biomedicine (IBB) of the UAB, has determined for the first time the three-dimensional structure of a protein pair: LC8 and Nek9. Depending on ...
Biochemistry
Apr 10, 2013
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(Phys.org) —Scientists at the U.S. Department of Energy's Argonne National Laboratory, in collaboration with researchers from the Sanford-Burnham Medical Research Institute in Orlando, Fla., recently determined and analyzed ...
Biochemistry
Apr 5, 2013
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