(Phys.org)—Researchers at Penn State University have developed a chemical model that mimics a possible step in the formation of cellular life on Earth four-billion years ago. Using large "macromolecules" called polymers, ...
Cell & Microbiology
Oct 14, 2012
1
0
One of the surprising discoveries to emerge from the young field of comparative genomics is that drastically different organisms—humans, sea urchins, worms, flies —are endowed with a more or less common set of genes. ...
Cell & Microbiology
Mar 20, 2015
0
2364
Investigators at Northwestern University have found that packing small interfering RNA (siRNA) molecules onto the surface of a gold nanoparticle can protect siRNAs from degradation and increase their ability to regulate genes ...
Bio & Medicine
Feb 23, 2009
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0
(Phys.org)—The base pairs that hold together two pieces of RNA, the older cousin of DNA, are some of the most important molecular interactions in living cells. Many scientists believe that these base pairs were part of ...
Materials Science
Feb 20, 2013
37
0
A team of Massachusetts General Hospital (MGH) investigators working to create "protocells" – primitive synthetic cells consisting of a nucleic acid strand encased within a membrane-bound compartment – have accomplished ...
Biotechnology
Nov 28, 2013
3
0
Everyone's talking about CRISPR-Cas. This biotechnological method offers a relatively quick and easy way to manipulate single genes in cells, meaning they can be precisely deleted, replaced or modified. Furthermore, in recent ...
Biotechnology
Aug 14, 2019
8
130
Much in the same way as we use shredders to destroy documents that are no longer useful or that contain potentially damaging information, cells use molecular machines to degrade unwanted or defective macromolecules. Scientists ...
Cell & Microbiology
Aug 16, 2013
1
0
Scientists at Los Alamos and international partners have created the first 3-D images of a special type of RNA molecule that is critical for stem cell programming and known as the "dark matter" of the genome.
Biotechnology
Jan 10, 2020
1
547
In the search for life beyond Earth, scientists have justifiably focused on water because all biology as we know it requires this fluid. A wild card, however, is whether alternative liquids can also suffice as life-enablers. ...
Space Exploration
May 12, 2015
4
117
In a development that could accelerate the discovery of new diagnostics and treatments, researchers at Children's Hospital of Philadelphia (CHOP) have developed a versatile and low-cost technology for targeted sequencing ...
Molecular & Computational biology
Aug 15, 2023
0
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