A new piece of a difficult puzzle—the nature of memory—fell into place this week with a hint at how brain cells change structure when they learn something.
Biochemistry
Aug 26, 2019
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223
For the first time, scientists have created, from scratch, self-assembling protein filaments.
Biochemistry
Nov 8, 2018
1
56
In the current issue of Nature Materials, polymer scientists Greg Grason, Douglas Hall and Isaac Bruss at the University of Massachusetts Amherst, with Justin Barone at Virginia Tech, identify for the first time the factors ...
Materials Science
Mar 21, 2016
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646
A key building block of life, actin is one of the most abundant and highly conserved proteins in eukaryotic cells.
Cell & Microbiology
Mar 24, 2013
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0
A single human cell teems with as many 100,000 different proteins. Actin is one of the most abundant and essential of them all. This protein forms into filaments that help make up the skeleton of cells, giving them shape. ...
Cell & Microbiology
Jul 20, 2023
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112
Actin filaments—protein structures critical to living movement from single cells to animals—have long been known to have polarity associated with their physical characteristics, with growing "barbed" and shrinking "pointed" ...
Cell & Microbiology
Jun 8, 2023
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133
Scientists have discovered a new chain-like structure that helps single-celled organisms survive in the sulfur-rich hot acid springs of Yellowstone National Park in the U.S.
Cell & Microbiology
Dec 20, 2022
0
224
Bacterial pathogens like Salmonella, Shigella, Listeria and many others exploit the protein skeleton of the cells they infect in order to spread throughout the host. However, how is this so-called cytoskeleton of host cells ...
Cell & Microbiology
Dec 15, 2022
0
51
Inside the leading edge of a crawling cell, intricate networks of rod-like actin filaments extend toward the cell membrane at various angles, lengthening protein by protein. Upon impact, the crisscrossing rods glance off ...
Biochemistry
Oct 26, 2022
0
35
Likely to survive in the oral cavity, bacteria have evolved to divide along their longitudinal axis without parting from one another. A research team co-led by environmental cell biologist Silvia Bulgheresi from the University ...
Evolution
Aug 22, 2022
2
220
