The genetic alphabet contains just four letters, referring to the four nucleotides, the biochemical building blocks that comprise all DNA. Scientists have long wondered whether it's possible to add more letters to this alphabet ...
Biotechnology
Dec 14, 2023
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64
(PhysOrg.com) -- To make proteins, cells assemble long chains of amino acids, based on genetic instructions from DNA. That construction takes place in a tiny cellular structure called a ribosome, to which amino acids are ...
Cell & Microbiology
Nov 11, 2011
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0
A new study adds to an emerging, radically new picture of how bacterial cells continually repair faulty sections of their DNA.
Cell & Microbiology
May 16, 2023
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100
In a multidisciplinary approach, Professor Yves Barral, from the Biology Department at ETH Zurich and the computer scientists Dr. Gina Cannarozzi and Professor Gaston Gonnet, from the Computer Science Department of ETH Zurich ...
Cell & Microbiology
Apr 16, 2010
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0
(PhysOrg.com) -- For the first time, scientists have discovered that a poorly understood class of RNA produced in a mammal's cells during a respiratory virus attack may affect the outcome of the infection. Their findings ...
Cell & Microbiology
Oct 26, 2010
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Synthetic biologists seek to create new life with forms and functions not seen in nature. Although scientists are a long way from making a completely artificial life form, they have made semi-synthetic organisms that have ...
Biochemistry
Jul 17, 2019
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140
In the version of evolutionary theory most of us are familiar with, randomly occurring variation in traits, caused by mutations in our DNA, can be fixed in a population through natural selection. However, writing in Epigenetics ...
Evolution
Sep 10, 2019
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325
Research published this week in Nature Nanotechnology shows a new method of enzyme-controlled movement of a single strand of DNA through a protein nanopore. The paper, by researchers at the University of California Santa ...
Bio & Medicine
Sep 26, 2010
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0
DNA evolved to store genetic information, but in principle this special, chain-like molecule can also be adapted to make new materials. Chemists at The Scripps Research Institute (TSRI) have now published an important demonstration ...
Materials Science
Oct 11, 2017
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385
As any crime show buff can tell you, DNA evidence identifies a victim's remains, fingers the guilty, and sets the innocent free. But in reality, the processing of forensic DNA evidence takes much longer than a 60-minute primetime ...
Biotechnology
Apr 27, 2012
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