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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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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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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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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Hermaphrodite roundworm offspring yield evolutionary clues, researchers say
(PhysOrg.com) -- A roundworm with a mix of male, female and hermaphrodite offspring is offering researchers at UT Arlington a look at a species in transition from one mode of reproduction to another.
Sep 09, 2011 |
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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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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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Genomes of parasitic flatworms decoded
Two international research teams have determined the complete genetic sequences of two species of parasitic flatworms that cause schistosomiasis, a debilitating condition also known as snail fever. Schistosoma ma ...
Jul 15, 2009 |
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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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Researchers explain how tiny roundworms sense different kinds of touch
(PhysOrg.com) -- Caenorhabditis elegans (C. elegans) is the very long name of a very small creature, and one of the most commonly used animals in biological research.
May 20, 2011 |
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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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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 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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DNA barcoding of parasitic worms: Is it kosher?
When rabbis from the Orthodox Union started finding worms in cans of sardines and capelin eggs, they turned to scientists at the American Museum of Natural History to answer a culturally significant dietary question: could ...
Feb 14, 2012 |
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