One of the most potent toxins known acts by welding the two strands of the famous double helix together in a unique fashion which foils the standard repair mechanisms cells use to protect their DNA.
Biochemistry
Aug 2, 2017
0
138
Almost all life on Earth is based on DNA being copied, or replicated. Now for the first time scientists have been able to watch the replication of a single DNA molecule, with some surprising findings. For one thing, there's ...
Cell & Microbiology
Jun 15, 2017
15
81
It's a good thing we don't have to think about putting all the necessary pieces in place when one of our trillions of cells needs to duplicate its DNA and then divide to produce identical daughter cells.
Cell & Microbiology
Mar 17, 2017
2
599
In the early 1990s, Jacqueline Barton, the John G. Kirkwood and Arthur A. Noyes Professor of Chemistry at Caltech, discovered an unexpected property of DNA—that it can act like an electrical wire to transfer electrons quickly ...
Biochemistry
Feb 24, 2017
2
96
Scientists at Van Andel Research Institute and Rockefeller University have successfully described a crucial structure involved in DNA replication, placing another piece in the puzzle of how life propagates.
Biotechnology
Jan 16, 2017
0
497
For years, scientists have puzzled over what prompts the intertwined double-helix DNA to open its two strands and then start replication. Knowing this could be the key to understanding how organisms - from healthy cells to ...
Cell & Microbiology
Dec 13, 2016
0
25
The base pairs found in DNA are key to its ability to store protein-coding information, but they also give the molecule useful structural properties. Getting two complementary strands of DNA to zip up into a double helix ...
Bio & Medicine
Nov 18, 2016
0
759
DNA, our genetic material, normally has the structure of a twisted rope ladder. Experts call this structure a double helix. Among other things, it is stabilized by stacking forces between base pairs. Scientists at the Technical ...
Biochemistry
Sep 8, 2016
0
1840
Bioengineers at the University of California, San Diego have developed an electrical graphene chip capable of detecting mutations in DNA. Researchers say the technology could one day be used in various medical applications ...
Bio & Medicine
Jun 14, 2016
0
56
We've been able to see them for over a hundred years, but only now are scientists beginning to get to the bottom of what's happening inside membraneless organelles – compartments within cells that really do have no boundaries.
Biochemistry
Jun 13, 2016
0
19
