Since the 1800s, scientists have noted configuration of centromeres, a special chromosomal region that is vital for cell division, in the nucleus. Up until this point, however, the determining mechanisms and the biological ...
Plants & Animals
Aug 1, 2022
0
87
As power plants and energy stores, mitochondria are essential components of almost all cells in plants, fungi and animals. Until now, it has been assumed that these functions underlie a static structure of mitochondrial membranes. ...
Cell & Microbiology
Feb 18, 2020
0
12
Just as a tight core is a component of good physical fitness for humans, helping to stabilize our bodies, mutations that tightened the core of the SARS-CoV-2 spike protein in new variants may have increased the virus's fitness.
Biochemistry
Mar 31, 2023
0
196
(Phys.org)—A team of researchers at Michigan State University has documented the step-by-step process in which organisms evolve new functions.
Evolution
Sep 19, 2012
1
0
Researchers have identified the weak molecular forces that hold together a tiny, self-assembling box with powerful possibilities. The study demonstrates a practical application of a force common in biological systems and ...
Bio & Medicine
Oct 31, 2018
0
74
A molecular biologist at the University of Massachusetts Amherst who has for decades studied the nightmarish group of fatal diseases caused by prions—chronic wasting disease in deer, mad cow in cattle and its human analog—credits ...
Molecular & Computational biology
May 6, 2020
0
162
Researchers at The University of Texas at Dallas (UTD), led by Dr. Lee Bulla, have demonstrated for the first time the selective cytotoxicity of Bacillus thuringiensis subsp. israelensis Cry4B toxin is mediated by BT-R3. ...
Cell & Microbiology
Aug 24, 2013
1
0
A decade ago, gene expression seemed so straightforward: genes were either switched on or off. Not both. Then in 2006, a blockbuster finding reported that developmentally regulated genes in mouse embryonic stem cells can ...
Cell & Microbiology
Aug 11, 2013
0
0
Light affects living organisms in many different ways, for example, plants orient their growth direction towards the sun, while circadian rhythms in humans are controlled by daylight. These processes always involve photoreceptors, ...
Molecular & Computational biology
Aug 3, 2023
0
420
RIKEN researchers have discovered how biological rhythms influence hair growth in mice. This finding could pave the way for novel anti-aging treatments in humans.
Cell & Microbiology
Nov 10, 2023
0
126
