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 |
4.8 / 5 (18) |
14
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 |
4.2 / 5 (12) |
2
|
How nerve cells grow: Researchers decode a molecular process that controls the growth
Brain researcher Hiroshi Kawabe has discovered the workings of a process that had been completely overlooked until now, and that allows nerve cells in the brain to grow and form complex networks. The study ...
Medicine & Health / Neuroscience
Feb 19, 2010 |
4.4 / 5 (10) |
0
|
Map of herpes virus protein suggests a new drug therapy
The mechanism by which a herpes virus invades cells has remained a mystery to scientists seeking to thwart this family of viruses. New research funded by the National Institutes of Health and published online ...
Jul 06, 2010 |
5 / 5 (8) |
0
|
Fundamental discovery casts enzymes in new light
Just as a breeze causes leaves, branches and ultimately the tree to move, enzymes moving at the molecular level perform hundreds of chemical processes that have a ripple effect necessary for life. Protein complexes are often ...
Nov 08, 2011 |
5 / 5 (8) |
6
|
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 |
5 / 5 (7) |
1
|
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 |
4.7 / 5 (7) |
0
A collaboration solves the herpes virus protein structure providing new drug therapy directions
The mechanism by which a herpes virus invades cells has remained a mystery to scientists, but now research from Tufts University and the University of Pennsylvania reveals the unusual structure of a key member ...
Jul 26, 2010 |
5 / 5 (6) |
0
|
Researchers discover 'on switch' for cell death signaling mechanism
Scientists at Burnham Institute for Medical Research (Burnham) have determined the structure of the interactions between proteins that form the heart of the death inducing signaling complex (DISC), which is responsible for ...
Biology /
Jan 05, 2009 |
4.5 / 5 (6) |
0
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 |
4.5 / 5 (6) |
0
|
Study identifies a key molecular switch for telomere extension by telomerase
Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Nov 23, 2011 |
5 / 5 (5) |
1
|
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 |
3.8 / 5 (6) |
8
|
The breakdown of barriers in old cells may hold clues to aging process
Like guards controlling access to a gated community, nuclear pore complexes are communication channels that regulate the passage of proteins and RNA to and from a cell's nucleus. Recent studies by researchers ...
Biology /
Jan 22, 2009 |
5 / 5 (4) |
0
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 |
5 / 5 (4) |
0
|
Landmark study sheds new light on human chromosomal birth defects
Using yeast genetics and a novel scheme to selectively remove a single protein from the cell division process called meiosis, a cell biologist at The Florida State University found that when a key molecular ...
Sep 16, 2009 |
4.8 / 5 (4) |
0
