The genetic tool CRISPR has been likened to molecular scissors for its ability to snip out and replace genetic code within DNA. But CRISPR has a capability that could make it useful beyond genetic repairs. "CRISPR can precisely ...
Molecular & Computational biology
Feb 25, 2021
0
293
An analysis of enzymes that load amino acids onto transfer RNAs—an operation at the heart of protein translation—offers new insights into the evolutionary origins of the modern genetic code, researchers report. Their ...
Biotechnology
Aug 26, 2013
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0
The genetic code is the universal language of life. It describes how information is encoded in the genetic material and is the same for all organisms from simple bacteria to animals to humans. However, the origin of the code ...
Biotechnology
Dec 19, 2014
31
0
In the past year a group of synthetic proteins called CRISPR-Cas RNA-guided nucleases (RGNs) have generated great excitement in the scientific community as gene-editing tools. Exploiting a method that some bacteria use to ...
Biotechnology
Jun 23, 2013
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0
UT Southwestern physiologists trying to understand the genetic code have found a previously unknown code that helps explain which protein should be created to form a particular type of cell.
Cell & Microbiology
Sep 23, 2015
14
135
Every cell in our body has exactly the same DNA, yet every cell is different. A cell's identity is determined by the subset of genes that it activates. But how does a cell know which genes to turn off and which to turn on? ...
Biotechnology
Mar 13, 2014
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1
(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
0
0
If you have curly hair, you know that every day is a new adventure. What will my hair do today? Why does it curl better on some days than others? And even those without naturally curly hair might notice their hair curling—or, ...
Other
Aug 14, 2023
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2
(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
0
0
A strain of genetically enhanced bacteria developed by researchers at the Salk Institute for Biological Studies may pave the way for new synthetic drugs and new ways of manufacturing medicines and biofuels, according to a ...
Biochemistry
Sep 21, 2011
1
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