(PhysOrg.com) -- In the chemistry of the living world, a pair of nucleic acids—DNA and RNA—reign supreme. As carrier molecules of the genetic code, they provide all organisms with a mechanism for faithfully reproducing ...
Biochemistry
Jan 9, 2012
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The ability to identify self and non-self enables cells in more sophisticated animals to ward off invading infections, but it is critical to even simpler organisms such as the social amoebae Dictyostelium discoideum.
Cell & Microbiology
Jun 23, 2011
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While the primary job of DNA in cells is to carry genetic information from one generation to the next, some scientists also see the highly stable and programmable molecule as an ideal building material for nanoscale structures ...
Nanomaterials
Apr 27, 2011
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(PhysOrg.com) -- When cells are exposed to life-threatening stresses, they take quick action to save themselves. Among other defenses, they start manufacturing proteins that perform critical tasks such as repairing DNA.
Cell & Microbiology
Dec 17, 2010
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(PhysOrg.com) -- Assistant Professor of Bioengineering Christina Smolke has engineered biological molecules that regulate a cell's behavior by adjusting their own forms and functions in response to the internal conditions ...
Biotechnology
Nov 30, 2010
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Discovery by Hebrew University of Jerusalem researchers of an additional role for a key molecule in our bodies provides a further step in world-wide efforts to develop genetic regulation aimed at controlling many diseases, ...
Biochemistry
Sep 17, 2009
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(PhysOrg.com) -- As the best drugs become increasingly resistant to superbugs, McMaster University researchers have discovered a completely different way of looking for a new antibiotic.
Biochemistry
May 28, 2009
4
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RNA droplets can now be used to perform logical operations that take microRNA sequences as inputs, report scientists from Tokyo Tech. By self-assembling into network-like structures, RNA molecules form liquid-state droplets. ...
Bio & Medicine
Jun 7, 2024
0
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The beginning of life on Earth and its evolution over billions of years continue to intrigue researchers worldwide. The central dogma or the directional flow of genetic information from a deoxyribose nucleic acid (DNA) template ...
Molecular & Computational biology
Apr 18, 2024
0
141
One of the most striking features of human genes is that genetic information required to produce proteins is stored in a discontinuous form, wherein the coding information (exons) is punctuated with non-coding segments known ...
Molecular & Computational biology
Apr 4, 2024
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