Recent studies have shown that under the axonal membrane, rings composed of actin filaments give the structure its flexibility. But those studies had not been able to define the precise architecture of these rings. By combining ...
Molecular & Computational biology
Dec 20, 2019
0
5
Researchers have found that two specific proteins take apart actin filaments at one end and return the building blocks to the other end for a new round of polymerization. The structure of this machinery driving cell motility ...
Cell & Microbiology
Dec 17, 2019
0
3
When you're only one of trillions, it can be hard to get ahead. That's the problem faced by aquatic bacterium Leptothrix cholodnii, which is often found in the slime-like microbial mats common to mineral-rich bodies of water. ...
Bio & Medicine
Dec 16, 2019
0
8
An international team led by the Astrophysics Department-AIM Laboratory of CEA-Irfu has just obtained new clues about the origin of star mass distribution, combining observational data from the large interferometer ALMA and ...
Astronomy
Dec 5, 2019
4
27
New University of Arizona-led research has revealed the structure and function of one of bacteria's latest strategies in the fight against viruses: a fleet of highly organized enzymes that provide a rapid immune response ...
Cell & Microbiology
Nov 26, 2019
0
219
They play a leading role not only in muscle cells: Actin filaments are one of the most abundant proteins in all mammalian cells. The filigree structures form an important part of the cytoskeleton and locomotor system. Cell ...
Cell & Microbiology
Nov 22, 2019
0
19
The direction in which a galaxy spins depends on its mass, researchers have found.
Astronomy
Nov 15, 2019
50
63
Consumer-grade 3-D printers have grown in popularity in recent years, but the particles emitted from such devices can negatively impact indoor air quality and have the potential to harm respiratory health, according to a ...
Environment
Oct 7, 2019
0
53
After counting all the normal, luminous matter in the obvious places of the universe—galaxies, clusters of galaxies and the intergalactic medium—about half of it is still missing. So not only is 85% of the matter in the ...
Astronomy
Oct 4, 2019
109
168
An international group of scientists led by the RIKEN Cluster for Pioneering Research has used observations from the Multi Unit Spectroscopic Explorer (MUSE) at the ESO Very Large Telescope (VLT) in Chile and the Suprime-Cam ...
Astronomy
Oct 3, 2019
46
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