Where no lab has gone before: Single-Molecule Electrokinetic Traps
(PhysOrg.com) -- To study the behavior of large protein complexes and long DNA chains in solution, researchers use so-called molecular traps. However, earlier traps have proven ineffective when working with s ...
May 25, 2011 |
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Pee power: Urine-loving bug churns out space fuel
Scientists on Sunday said they had gained insights into a remarkable bacterium that lives without oxygen and transforms ammonium, the ingredient of urine, into hydrazine, a rocket fuel.
Oct 02, 2011 |
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Researchers discover novel approach to stimulate immune cells
Researchers at Rutgers University have uncovered a new way to stimulate activity of immune cell opiate receptors, leading to efficient tumor cell clearance.
May 11, 2012 |
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New discovery could change the face of cell-biology research
Rewrite the textbooks and revisit old experiments, because there's a new cog in our cellular machinery that has been discovered by researchers from the University of Alberta and the University of Cambridge Institute for Medical ...
Oct 11, 2011 |
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New study explores proteins in Yellowstone bacteria for biofuel inspiration
Studies of bacteria first found in Yellowstone's hot springs are furthering efforts at the Department of Energy's BioEnergy Science Center toward commercially viable ethanol production from crops such as switchgrass.
Feb 14, 2012 |
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Shedding light on nature's nanoscale control of solar energy
Nature's process for storing solar energy occurs in light-absorbing protein complexes called photosynthetic reaction centers (RCs). Across billions of years of evolution, Nature has retained a common light-absorbing ...
Apr 18, 2012 |
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Shaping up for cell division
The shape of chromosomes is determined by the relative levels of key protein complexes, research conducted by Keishi Shintomi and Tatsuya Hirano of the RIKEN Advanced Science Institute has shown.
Nov 04, 2011 |
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Protein complex affects cells' ability to move, respond to external cues
In a paper published today in the journal, Cell, a team from the University of North Carolina at Chapel Hill has explained for the first time how a long-studied protein complex affects cell migration and how external cues a ...
Mar 01, 2012 |
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Manipulating single molecules to unravel secrets of protein folding
Physicists at the Technische Universitaet Muenchen (TUM) are opening a new window into the life of biological cells, using a technique that lets them grab the ends of a single protein molecule and pull, making ...
Oct 27, 2011 |
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Researchers construct a device that mimics one of nature's key transport machines
(PhysOrg.com) -- To help protect its genes, a cell is highly selective about what it allows to move in and out of its nucleus. Yet that choosiness is regulated by just a thin barrier, perforated with tiny ...
Biology /
Jan 06, 2009 |
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Closing in on an ulcer- and cancer-causing bacterium
A research team led by scientists at the Chinese University of Hong Kong is releasing study results this week showing how a bacterium, Helicobacter pylori, that causes more than half of peptic ulcers worldw ...
Dec 07, 2011 |
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HIV protein unveils vaccine target
(PhysOrg.com) -- An international study headed by a UC Davis scientist describes how a component of a potential HIV vaccine opens like a flower, undergoing one of the most dramatic protein rearrangements yet ...
Medicine & Health / HIV & AIDS
Mar 31, 2011 |
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Researchers explain how railways in cells are built
Every cell in the human body contains a complex system to transport essential cargoes such as proteins and membrane vesicles from one point to another. These tiny molecular motor proteins move at high speeds on miniature ...
Sep 02, 2011 |
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Plugging in Molecular Wires
(PhysOrg.com) -- Plants, algae, and cyanobacteria (blue-green algae) are masters of everything to do with solar energy because they are able to almost completely transform captured sunlight into chemical energy. This is in ...
Feb 11, 2009 |
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Errors in protein structure sparked evolution of biological complexity
Over four billion years of evolution, plants and animals grew far more complex than their single-celled ancestors. But a new comparison of proteins shared across species finds that complex organisms, including humans, have ...
May 18, 2011 |
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