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
Analyzing DNA is useful for a number of vital applications. This includes diagnosis and monitoring of diseases, identification of criminals, and studying the function of a targeted segment of DNA. However, methods used for ...
Biochemistry
Mar 31, 2017
0
8
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
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
A team of researchers from Russia and Israel, including scientists from MIPT, has made nanowires from DNA molecules and silver nanoparticles. The research findings were published in Advanced Materials and are featured on ...
Nanophysics
Dec 8, 2016
0
109
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
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
University of Utah chemists devised a new way to detect chemical damage to DNA that sometimes leads to genetic mutations responsible for many diseases, including various cancers and neurological disorders.
Biochemistry
Nov 6, 2015
0
1425
Enzo di Fabrizio and his team have developed a new technique to produce a direct image of the DNA helix and its inner structure. This is the first time scientists have ever been able to produce an image of DNA that allows ...
Biochemistry
Aug 31, 2015
0
85
