Toxins released by a type of bacteria that cause diarrheal disease hijack cell processes and force important proteins to assemble into "roads to nowhere," redirecting the proteins away from other jobs that are key to proper ...
Molecular & Computational biology
Nov 18, 2022
0
139
A typical gut bacterium that can spread through the body and cause a serious infection resists natural immune defenses and antibiotics by enhancing its protective outer layer, known as the cell envelope, according to a new ...
Cell & Microbiology
Nov 10, 2022
0
69
The mechanism by which fat-related molecules called lipids regulate pacemaker ion channel proteins, which help control the heart rhythm, has been revealed in a study from researchers at Weill Cornell Medicine.
Molecular & Computational biology
Nov 9, 2022
0
33
A team of researchers at Umeå University has discovered that an enzyme in human cells has probably evolved from an ancient single-celled organism. The enzyme's unique properties mean that it could be used as a building block ...
Evolution
Nov 7, 2022
0
1031
Scientists at the Helmholtz Institute for RNA-based Infection Research (HIRI) and the Institute for Molecular Infection Biology (IMIB) in Würzburg want to better understand how the oral cavity germ Fusobacterium nucleatum ...
Cell & Microbiology
Nov 3, 2022
0
14
Researchers from the University of Eastern Finland and Tampere University have published in the journal Molecular Ecology a comprehensive study on the significance of species differences for the most central cell maintenance ...
Evolution
Nov 2, 2022
0
2
Many medical devices for treating heart failure generate nonphysiological shear flow. This can trigger the destruction of red blood cells after implantation of ventricular assist devices (VADs), artificial heart valves, vascular ...
General Physics
Nov 1, 2022
0
59
The mTOR protein plays a central role in cell growth, proliferation and survival. Its activity varies according to the availability of nutrients and some growth factors, including hormones. This protein is implicated in several ...
Cell & Microbiology
Oct 26, 2022
0
7
Endoreduplication is an alternative version of the classical cell cycle during which cells replicate their nuclear DNA without subsequently dividing, thereby increasing their ploidy level. This process occurs in a variety ...
Plants & Animals
Oct 26, 2022
0
3
Mitochondria—the organelles responsible for energy production in human cells—were once free-living organisms that found their way into early eukaryotic cells over a billion years ago. Since then, they have merged seamlessly ...
Cell & Microbiology
Oct 20, 2022
0
69
