Certain groupings of bacteria or cellular tissues form systems that are called active fluids. These can flow spontaneously without having to be forced from the outside, since their components are able to generate forces and ...
Soft Matter
Oct 11, 2021
0
1037
A study led by ANU has retraced the evolutionary history of a modern enzyme with a technique called ancestral protein reconstruction—a discovery that will help new enzymes to be engineered for use in medicine and industry.
Biochemistry
Apr 27, 2018
0
167
(PhysOrg.com) -- UCLA physicists have taken a significant step in controlling chemical reactions mechanically, an important advance in nanotechnology, UCLA physics professor Giovanni Zocchi and colleagues report.
General Physics
Sep 17, 2010
0
0
When you see brown spots on otherwise healthy green leaves, you may be witnessing a plant's immune response as it tries to keep a bacterial infection from spreading. Some plants are more resistant to such infections than ...
Biotechnology
Jan 8, 2018
0
227
To better understand how the novel coronavirus behaves and how it can be stopped, scientists have completed a three-dimensional map that reveals the location of every atom in an enzyme molecule critical to SARS-CoV-2 reproduction.
Biochemistry
Oct 27, 2020
0
329
Indiana University biologists have found that specific types of RNA polymerase enzymes, the molecular machines that convert DNA into RNA, can differ in function based on variation in the parts -- in this case protein subunits ...
Biotechnology
Mar 1, 2012
0
0
Protein engineers at the California Institute of Technology (Caltech) have tapped into a hidden talent of one of nature's most versatile catalysts. The enzyme cytochrome P450 is nature's premier oxidation catalyst—a protein ...
Materials Science
Dec 20, 2012
1
0
"The distinction between the past, present and future is only a stubbornly persistent illusion," Albert Einstein wrote. Perhaps this is nowhere more evident than in protein evolution, where past and present versions of the ...
Evolution
Aug 25, 2021
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2121
Researchers at the University of Bristol have shown how laboratory evolution can give rise to highly efficient enzymes for new-to-nature reactions, opening the door for novel and more environmentally friendly ways to make ...
Biochemistry
Aug 19, 2021
0
1056
CRISPR-Cas9 is a revolutionary tool in part because of its versatility: created by bacteria to chew up viruses, it works equally well in human cells to do all sorts of genetic tricks, including cutting and pasting DNA, making ...
Biotechnology
Jan 10, 2019
0
135
