News tagged with metabolic processes
Study dusts sugar coating off little-known regulation in cells
In Alzheimer's disease, brain neurons become clogged with tangled proteins. Scientists suspect these tangles arise partly due to malfunctions in a little-known regulatory system within cells. Now, researchers have dramatically ...
Apr 16, 2012 |
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Cyborg snail produces electricity
(PhysOrg.com) -- First it was grapes, then cockroaches, and now snails have become the latest organism to generate electricity through an implanted biofuel cell. The process works similarly in all three situations: ...
Mar 15, 2012 |
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Hermetic bags save African crop, but not how experts once thought
The hermetic grain storage bags that cut off oxygen to weevils and have saved West and Central African farmers hundreds of millions of dollars by putting the brakes on the insects' rapid multiplication don't ...
Feb 22, 2012 |
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Scientists elevate little-studied cellular mechanism to potential drug target
For years, science has generally considered the phosphorylation of proteins -- the insertion of a phosphorous group into a protein that turns it on or off -- as perhaps the factor regulating a range of cellular processes ...
Dec 11, 2011 |
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How old yeast cells send off their daughter cells without the baggage of old age
The accumulation of damaged protein is a hallmark of aging that not even the humble baker's yeast can escape. Yet, aged yeast cells spawn off youthful daughter cells without any of the telltale protein clumps. ...
Nov 23, 2011 |
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New membrane lipid measuring technique may help fight disease
Could controlling cell-membrane fat play a key role in turning off disease?
Oct 09, 2011 |
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For unzipping DNA mysteries -- literally -- physicists discover how a vital enzyme works
With an eye toward understanding DNA replication, Cornell researchers have learned how a helicase enzyme works to actually unzip the two strands of DNA.
Sep 18, 2011 |
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New technique elucidates dynamics of plant cell metabolites
A new technique developed by researchers at RIKEN has clarified the location and dynamics of specific metabolites in a single cell of the alga Chara australis. The findings reveal that these metabolites are re ...
Sep 13, 2011 |
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Recycling fat might help worms live longer
Aging is generally accepted as a universal fact of life, but how do humans and other organisms age at the molecular level? At Sanford-Burnham Medical Research Institute (Sanford-Burnham), a team led by Malene ...
Sep 06, 2011 |
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Modeling plant metabolism to optimize oil production
(PhysOrg.com) -- Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have developed a computational model for analyzing the metabolic processes in rapeseed plants -- particularly ...
Jul 26, 2011 |
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Researchers flip the switch between development and aging in C. elegans
When researchers at the Buck Institute dialed back activity of a specific mRNA translation factor in adult nematode worms they saw an unexpected genome-wide response that effectively increased activity in specific stress ...
Jul 05, 2011 |
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How microbes take out the trash
(PhysOrg.com) -- The molecular machinery bacteria use to rid themselves of toxic substances including antimicrobial drugs has been studied in detail by a UA-led team of researchers. A better understanding ...
May 10, 2011 |
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Fruit flies on meth: Study explores whole-body effects of toxic drug
A new study in fruit flies offers a broad view of the potent and sometimes devastating molecular events that occur throughout the body as a result of methamphetamine exposure.
Medicine & Health / Medical research
Apr 20, 2011 |
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Researchers achieve a full film frame of a family of proteins essential for cell function
Spanish researchers at IRB Barcelona have completed the 3D structural sequence adopted by several essential proteins in the exchange of substances between the extra and intracellular milieu. This finding provides a global ...
Feb 23, 2011 |
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Scientists discover molecular 'switch' that contributes to cellular aging process
A team of Harvard School of Public Health (HSPH) scientists report finding a molecular "switch" that can "turn off" some cellular processes that are protective against aging and metabolic diseases. While more research is ...
Nov 30, 2010 |
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