Single-celled algae and animal sperm cells are widely separated in evolution but both swim in the same way, by waving their protruding hairs, called cilia or flagella. Motion is driven by molecular motors, complex assemblies ...
Cell & Microbiology
Mar 1, 2021
0
14
aterials capable of performing complex functions in response to changes in the environment could form the basis for exciting new technologies. Think of a capsule implanted in your body that automatically releases antibodies ...
Materials Science
Feb 19, 2021
0
321
Motor proteins generate the forces for essential mechanical processes in our body. On a scale of nanometers—a millionth of a millimeter—motor proteins, for example, power our muscles or transport material within our cells. ...
Bio & Medicine
Feb 12, 2021
0
115
Like a wrench that gums up the gears, a common anesthetic keeps the motor proteins in your cells from making their rounds.
Cell & Microbiology
Jan 28, 2021
0
145
A visualization made from nearly 100,000 electron microscope images has revealed the ingenious way a protein involved in muscle activity shuts itself down to conserve energy.
Molecular & Computational biology
Dec 2, 2020
0
61
Nagoya University scientists in Japan and colleagues at Yale University in the US have uncovered details of how the bacterial propeller, known as the flagellum, switches between counterclockwise and clockwise rotation, allowing ...
Cell & Microbiology
Nov 5, 2020
0
723
There are billions of bacteria around us and in our bodies, most of which are harmless or even helpful. But some bacteria such as E. coli and salmonella can cause infections. The ability to swim can help bacteria to seek ...
Cell & Microbiology
Sep 15, 2020
1
463
AMOLF researchers have presented a theory that describes the friction between biological filaments that are crosslinked by proteins. Surprisingly, their theory predicts that the friction force scales highly nonlinearly with ...
General Physics
Aug 14, 2020
0
78
As many diseases, including neurodegenerative diseases such as Alzheimer's, have been linked to the defective functioning of motor proteins in cell transport systems, understanding the intricacies of how motor proteins work ...
General Physics
Jul 6, 2020
0
64
A research team from Empa and EPFL has developed a molecular motor which consists of only 16 atoms and rotates reliably in one direction. It could allow energy harvesting at the atomic level. The special feature of the motor ...
General Physics
Jun 16, 2020
1
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