(Phys.org) —Proteins known as histones give structure to DNA, which coils around them like string on spools. But as is so often the case in biology, it turns out there is more to these structures than meets the eye. Scientists ...
Cell & Microbiology
Sep 25, 2014
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Biological membranes are like a guarded border. They separate the cell from the environment and at the same time control the import and export of molecules. The nuclear membrane can be crossed via many tiny pores. Scientists ...
Bio & Medicine
Jun 25, 2014
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Researchers at the Stowers Institute for Medical Research have glimpsed two proteins working together inside living cells to facilitate communication between the cell's nucleus and its exterior compartment, the cytoplasm. ...
Cell & Microbiology
Feb 10, 2014
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(Phys.org) —Last month, researchers reported the creation of the first primitive brain-like structures made from human stem cells. To create the complex morphology of these cerebral organoids, cells within a proliferating ...
(Phys.org) —It's a parent's nightmare: opening a Lego set and being faced with 500 pieces, but no instructions on how to assemble them into the majestic castle shown on the box. Thanks to a new approach by scientists at ...
Cell & Microbiology
Jul 12, 2013
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Just about every cell in your body contains microscopic organelles called cilia. Primary cilia act like antennas, detecting and relaying molecular signals from a cell's external environment. Motile cilia paddle together in ...
Cell & Microbiology
Feb 15, 2013
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When Li Tan approached his colleagues at the University of Georgia with some unusual data he had collected, they initially seemed convinced that his experiment had become contaminated; what he was seeing simply didn't make ...
Biotechnology
Feb 5, 2013
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(Phys.org)—Scientists at the U.S. Department of Energy's (DOE) Ames Laboratory are learning more about how nano-scale catalytic systems work, and their research could be the key to improved processes for refining biofuels ...
Materials Science
Oct 11, 2012
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The movement of genetic materials, such as RNA and ribosomes, from the nucleus to the cytoplasm is a critical component in a cell's ability to make the proteins necessary for essential biological functions. Until now, it ...
Cell & Microbiology
May 10, 2012
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How the light-harvesting complexes required for photosynthesis get to their site of action in the plant cell is reported by RUB biologists in the Journal of Biological Chemistry. The team led by Prof. Dr. Danja Schunemann ...
Biochemistry
Oct 19, 2011
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