Damage to DNA is a daily occurrence but one that human cells have evolved to manage. Now, in a new paper published in Nature Structural & Molecular Biology, Mayo researchers have determined how one DNA repair protein gets ...
Cell & Microbiology
Jul 2, 2018
0
39
Almost every cell in the human body, from beating heart cells to bacteria-gobbling immune cells, is powered by chemical energy produced by specialized organelles called mitochondria. The process of energy generation creates ...
Cell & Microbiology
May 3, 2018
0
17
With woodpeckers, the answer's in the question—true to their name, they peck wood. And when they do, they peck hard—with each peck, the bird undergoes a force of 1,200 to 1,400 g's. By comparison, a measly force of 60-100 ...
Plants & Animals
Feb 2, 2018
0
395
Cells continuously replicate to repair and replace damaged tissue, and each division requires duplicating DNA. As the DNA duplicates, errors inevitably occur, resulting in damage that, if left unrepaired, can lead to cellular ...
Cell & Microbiology
Dec 1, 2017
0
301
To fight infections cells in the immune system play a dangerous game with their own genes. Damaging genes allows B cells to make antibodies that are specifically equipped to target to specific causes of illness, but damaging ...
Cell & Microbiology
Sep 13, 2017
0
2
All cells are confronted with DNA damage, for example by exposure of the skin to UV rays, chemical byproducts of nerve cells consuming sugar, or immune cells destroying bacteria. If these DNA lesions are not - or badly - ...
Cell & Microbiology
Jun 13, 2017
0
183
Scientists at the Francis Crick Institute have made a surprising discovery about the Vaccinia virus, a large DNA virus belonging to the pox family that was used as the vaccine to eradicate smallpox.
Cell & Microbiology
May 3, 2017
0
197
It's well known that when the DNA in a cell is damaged, the cell responds by activating specific genes that help defend the integrity of its genome. But less well studied is the fact that the cell actually shuts down the ...
Cell & Microbiology
Feb 17, 2017
0
14
Studying sequence and function of DNA has been in the focus of life sciences for decades, but now the interest of many researchers has turned to the RNA. Today, many scientists believe that RNA molecules, together with a ...
Cell & Microbiology
Apr 4, 2016
0
50
DNA represents a dynamic form of information, balancing efficient storage and access requirements. Packaging approximately 1.8m of DNA into something as small as a cell nucleus is no mean feat, but unpacking it again to access ...
Biotechnology
Nov 6, 2015
1
35
