News tagged with roundworm
'Worm speak' uses chemicals to communicate
(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...
Jan 26, 2012 |
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Worms from hell identified far below the Earth's surface
(PhysOrg.com) -- In a study published this week in Nature, researchers Gaetan Borgonie from Ghent University in Belgium and Tullis Onstott from Princeton University announced the discovery of new nematode specie ...
Jun 02, 2011 |
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Onstott's discovery of worms in Earth's depths raises questions about life in space
After digging holes in the Earth's crust for nearly two decades, Princeton University geoscientist Tullis Onstott is now making headlines for unearthing "worms from hell."
Space & Earth / Space Exploration
Jul 12, 2011 |
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Researchers find new actions of neurochemicals (w/ Video)
(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 ...
Jul 02, 2009 |
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Scientists open new window into how cancers override cellular growth controls
Rapidly dividing cancer cells are skilled at patching up damage that would stop normal cells in their tracks, including wear and tear of telomeres, the protective caps at the end of each chromosome.
Mar 21, 2012 |
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Study of huge numbers of genetic mutations point to oxidative stress as underlying cause
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 ...
Sep 07, 2009 |
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A worm bites off enough to chew (w/ Video)
Dramatic scenes are played out under Ralf Sommer's microscope: his research object, the roundworm Pristionchus pacificus, bites another worm, tears open a hole in its side and devours the oozing contents. The sq ...
Jul 01, 2010 |
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Elusive prey
Escape responses are some of the most studied behaviors by neurobiologists who want to understand how the brain processes sensory information. The ability to evade predators plays a vital role in the process of natural selection. ...
Jul 28, 2011 |
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When less is more: How mitochondrial signals extend lifespan
In making your pro-longevity resolutions, like drinking more red wine and maintaining a vibrant social network, here's one you likely forgot: dialing down your mitochondria. It turns out that slowing the engines ...
Jan 06, 2011 |
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Propensity for longer life span inherited non-genetically over generations, study says
We know that our environment -- what we eat, the toxic compounds we are exposed to -- can positively or negatively impact our life span. But could it also affect the longevity of our descendants, who may live under very different ...
Oct 19, 2011 |
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Studies reveal how cells distinguish between disease-causing and innocuous invaders
(Phys.org) -- The specific mechanisms by which humans and other animals are able to discriminate between disease-causing microbes and innocuous ones in order to rapidly respond to infections have long been ...
Apr 13, 2012 |
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Study shows neural stem cells in mice affected by gene associated with longevity
(PhysOrg.com) -- A gene associated with longevity in roundworms and humans has been shown to affect the function of stem cells that generate new neurons in the adult brain, according to researchers at the Stanford University ...
Nov 05, 2009 |
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Discovery could help stem infections of parasitic roundworms (w/ Video)
Working with researchers in China, biologists at UC San Diego have discovered how a Chinese drug effective in killing parasitic roundworms works.
Aug 11, 2009 |
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Genetics work could lead to advances in fertility for women
Princeton scientists have identified genes responsible for controlling reproductive life span in worms and found they may control genes regulating similar functions in humans.
Oct 22, 2010 |
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Study uncovers clues to what makes anesthetics work
Physicians use inhalation anesthetics in a way that is incredibly safe for patients, but very little is known about the intricacies of how these drugs actually work in children and adults. Now, researchers have uncovered ...
Dec 22, 2011 |
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