What were the first life forms like? In a new perspective article, scientists describe a strategy for answering this question by studying the earliest evolution of electron transport chains, a universal metabolic strategy ...
Evolution
Aug 14, 2023
0
1055
As outside activities become more popular with the changing seasons, people are looking to protect themselves from sunburns and melanomas, primarily using commercial sunscreens.
Plants & Animals
Jul 3, 2023
0
20
A typical human cell is metabolically active, roaring with chemical reactions that convert nutrients into energy and useful products that sustain life. These reactions also create reactive oxygen species, dangerous by-products ...
Cell & Microbiology
Jun 1, 2023
0
1263
A new study at Umeå University provides insight into how mercury transforms into its more toxic form, methylmercury, with the help of small sulfur-containing substances known as thiols.
Biochemistry
May 29, 2023
0
6
A research team led by Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley has engineered bacteria to produce new-to-nature carbon products that could provide a powerful route to sustainable biochemicals.
Biochemistry
May 8, 2023
0
31
Solving a riddle that has confounded biologists since bacterial spores—inert, sleeping bacteria— were first described more than 150 years ago, researchers at Harvard Medical School have discovered a new kind of cellular ...
Molecular & Computational biology
Apr 27, 2023
0
52
The p97 protein is one of your body's best garbage disposers. It floats around in your cells looking for signals that a protein is past its shelf life and needs to be trashed. Mutations in this protein have been linked to ...
Cell & Microbiology
Feb 7, 2023
0
39
Lipids—fats—make great walls for cells and organelles because they are water resistant and dynamic. But those same characteristics also make them hard to image using expansion microscopy, a technique that works for magnifying ...
Biochemistry
Oct 13, 2022
0
32
Facing starvation and stress conditions, some bacteria enter a dormant state in which life processes stop. Shutting down into a deep dormancy allows these cells, called spores, to withstand punishing extremes of heat, pressure ...
Cell & Microbiology
Oct 6, 2022
0
226
An enzyme called Fic, whose biochemical role was discovered at UT Southwestern more than a dozen years ago, appears to play a crucial part in guiding the cellular response to stress, a new study suggests. The findings, published ...
Cell & Microbiology
Oct 3, 2022
0
69
