News tagged with roundworm
Study of huge numbers of genetic mutations point to oxidative stress as underlying cause
Sep 07, 2009 |
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A study that tracked genetic mutations through the human equivalent of about 5,000 years has demonstrated for the first time that oxidative DNA damage is a primary cause of the process of mutation - the fuel for evolution ...
Evolutionarily preserved mechanism governs use of genes
Aug 18, 2009 |
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Researchers at Uppsala University have found that the protein coding parts of a gene are packed in special nucleosomes. The same type of packaging is found in the roundworm C elegans, which is a primeval relative of humans ...
Researchers find new actions of neurochemicals (w/ Video)
Jul 02, 2009 |
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(PhysOrg.com) -- Although the tiny roundworm Caenorhabditis elegans has only 302 neurons in its entire nervous system, studies of this simple animal have significantly advanced our understanding of human ...
Computers aid in cracking deception in plants
Jun 25, 2009 |
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If the growing presence of computer 'geeks' on television crime shows is any indicator, computers are increasingly becoming essential tools for detecting and combating skullduggery. However, television detectives ...
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Scientists find molecular trigger that helps prevent aging and disease
Nov 18, 2009 |
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Researchers at Mount Sinai School of Medicine set out to address a question that has been challenging scientists for years: How do dietary restriction—and the reverse, overconsumption—produce protective effects against aging ...
Suppressing a gene in mice prevents heart from aging, preserves its function
Oct 12, 2009 |
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(PhysOrg.com) -- Scientists prevented age-related changes in the hearts of mice and preserved heart function by suppressing a form of the PI3K gene, in a study reported in Circulation: Journal of the American Heart Association.
Chemical from Soil Bacteria Shows Potential Neuron Toxicity; Has Possible Parkinson's Implications
Medicine & Health / Neuroscience
Oct 06, 2009 |
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(PhysOrg.com) -- A chemical produced by common soil bacteria may kill neurons that produce dopamine, according to an article authored by University of Alabama researchers publishing Oct. 6. Dopamine neuron demise leads to ...
Misfolded proteins: The fundamental problem is aging
Aug 24, 2009 |
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Proteins are essential for all biological activities and the health of the cell. Misfolded and damaged proteins spell trouble and are common to all human neurodegenerative diseases and many other age-associated diseases. ...
Discovery could help stem infections of parasitic roundworms (w/ Video)
Aug 11, 2009 |
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Working with researchers in China, biologists at UC San Diego have discovered how a Chinese drug effective in killing parasitic roundworms works.
Climbing the ladder to longevity: Critical enzyme pair identified
Jun 24, 2009 |
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Experiment after experiment confirms that a diet on the brink of starvation expands lifespan in mice and many other species. But the molecular mechanism that links nutrition and survival is still poorly understood. ...
Recruitment of reproductive features into other cell types may underlie extended lifespan in animals
Jun 07, 2009 |
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In the sense that organisms existing today are connected through a chain of life - through their parents, grandparents and other ancestors - almost a billion years back to the first animals of the pre-Cambrian era, an animal's ...
UCSF team closer to creating safe embryonic-like stem cells
Apr 12, 2009 |
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A team of UCSF researchers has for the first time used tiny molecules called microRNAs to help turn adult mouse cells back to their embryonic state. These reprogrammed cells are pluripotent, meaning that, like embryonic stem ...
Research defines neurons that control sociability in worms
Medicine & Health / Neuroscience
Apr 10, 2009 |
4.3 / 5 (4) |
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(PhysOrg.com) -- Ants colonize. Fish shoal. Flamingos flock and caribou herd. Earth is populated by inherently social beings. Even lowly worms seek out the benefits of companionship. New research at The Rockefeller ...
Scientists show how a neuron gets its shape
Apr 02, 2009 |
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(PhysOrg.com) -- Ask a simple question, get a simple answer: When Abraham Lincoln was asked how long a man’s legs should be, he absurdly replied, “Long enough to reach the ground.” Now, by using a new microscopy technique ...
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