News tagged with animal genetics
Evolution may take giant leaps
(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...
Stanford researchers first to turn normal cells into 3-D cancers in tissue culture dishes
Researchers at the Stanford University School of Medicine have successfully transformed normal human tissue into three-dimensional cancers in a tissue culture dish for the first time. Watching how the cells behave as they ...
Nov 21, 2010 |
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Genetic Analysis Gives Hope That Extinct Tortoise Species May Live Again
(PhysOrg.com) -- Thanks to genetic data gleaned from the bones found in a several museum collections, an international team of researchers led by scientists from Yale believes it may be possible to resurrect ...
Jan 18, 2010 |
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Humans are reason for why domestic animals have strange and varied coat colors
(Physorg.com) -- Humans have actively changed the coats of domestic animals by cherry-picking rare genetic mutations, causing variations such as different colours, bands and spots, according to a new study. ...
Biology /
Jan 16, 2009 |
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Molecular mechanism triggering Parkinson's disease identified
Scientists at the Stanford University School of Medicine have identified a molecular pathway responsible for the death of key nerve cells whose loss causes Parkinson's disease. This discovery not only may explain how a genetic ...
Medicine & Health / Medical research
Jul 28, 2010 |
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Medicine may be key to cloning's future
The cloning of animals may have come from agriculture, but its real promise may be in the lucrative field of medicine rather than as food.
Aug 17, 2010 |
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Researchers identify potential molecular target to prevent growth of cancer cells
Researchers have shown for the first time that the protein fortilin promotes growth of cancer cells by binding to and rendering inert protein p53, a known tumor suppressor. This finding by researchers at the University of ...
Sep 16, 2011 |
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Online Encyclopedia of Life reaches 150,000 species
The public and scientists have helped create the first 150,000 species pages in the Encyclopedia of Life (EOL), the global online project to create a page for each of the 1.8 million known species on the planet.
Aug 25, 2009 |
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New genetic evidence confirms coyote migration route to Virginia and hybridization with wolves
Changes in North American ecosystems over the past 150 years have caused coyotes to move from their native habitats in the plains and southwestern deserts of North America to habitats throughout the United States.
Oct 25, 2011 |
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New mathematical model explains how hosts survive parasite attacks
In nature, how do host species survive parasite attacks? This has not been well understood, until now. A new mathematical model shows that when a host and its parasite each have multiple traits governing their ...
Mar 04, 2012 |
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Getting a leg up on whale and dolphin evolution
When the ancestors of living cetaceans—whales, dolphins and porpoises—first dipped their toes into water, a series of evolutionary changes were sparked that ultimately nestled these swimming mammals into the ...
Sep 24, 2009 |
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Oxygen treatment hastens memory loss in Alzheimer's mice
A 65-year-old women goes into the hospital for routine hip surgery. Six months later, she develops memory loss and is later diagnosed with Alzheimer's Disease. Just a coincidence? Researchers at the University of South ...
Medicine & Health / Neuroscience
Aug 11, 2009 |
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Direct transfer of plant genes from chloroplasts into the cell nucleus
Chloroplasts, the plant cell's green solar power generators, were once living beings in their own right. This changed about one billion years ago, when they were swallowed up but not digested by larger cells. ...
Apr 13, 2012 |
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Would Pain-Free Animals Make a More Humane Hamburger?
(PhysOrg.com) -- With advancements in genetic engineering, researchers say that it may soon be possible to breed farm animals that don't feel pain. The suggestion has sparked controversy on whether denying ...
Scientists produce first stem cells from endangered species
Starting with normal skin cells, scientists from The Scripps Research Institute have produced the first stem cells from endangered species. Such cells could eventually make it possible to improve reproduction ...
Sep 04, 2011 |
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