News tagged with genetic model
Study shows evolutionary adaptations can be reversed, but rarely
(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.
May 11, 2011 |
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Mouse genetic blueprint developed
Researchers have developed a valuable mouse genetic blueprint that will accelerate future research and understanding of human genetics. The international team, led by researchers at the Wellcome Trust Sanger ...
Sep 14, 2011 |
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FANCM plays key role in inheritance
Scientists of KIT and the University of Birmingham have identified relevant new functions of a gene that plays a crucial role in Fanconi anemia, a life-threatening disease.
Apr 30, 2012 |
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Researchers discover the first-ever link between intelligence and curiosity
(PhysOrg.com) -- Scientists from University of Toronto and the Samuel Lunenfeld Research Institute of Mount Sinai Hospital have discovered a molecular link between intelligence and curiosity, which may lead to the development ...
Medicine & Health / Neuroscience
Sep 14, 2009 |
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Complexity not so costly after all, analysis shows
The more complex a plant or animal, the more difficulty it should have adapting to changes in the environment. That's been a maxim of evolutionary theory since biologist Ronald Fisher put forth the idea in 1930.
Sep 27, 2010 |
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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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1001 Genome-Project: On the way to a complete catalog of the Arabidopsis genome
People can develop new technologies and animals may migrate to other regions. However, plants are tied to their location. Nevertheless, they have found ways to ensure their survival. This is the case for the ...
Aug 28, 2011 |
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Model suggests how life's code emerged from primordial soup
(PhysOrg.com) -- In 1953, Stanley Miller filled two flasks with chemicals assumed to be present on the primitive Earth, connected the flasks with rubber tubes and introduced some electrical sparks as a stand-in for lightning. ...
Aug 07, 2009 |
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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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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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Researchers discover method to unravel malaria's genetic secrets
The parasite that causes malaria is a genetic outlier, which has prevented scientists from discovering the functions of most of its genes. Researchers at National Jewish Health and Yale University School of Medicine have ...
Jan 25, 2012 |
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Researchers identify genetic signatures of human exceptional longevity
While environment and family history are factors in healthy aging, genetic variants play a critical and complex role in conferring exceptional longevity, according to a new study by a team of researchers from the Boston University ...
Jul 01, 2010 |
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Biologists learn how plants synthesize their growth hormone auxin
Biologists at the University of California, San Diego have succeeded in unraveling, for the first time, the complete chain of biochemical reactions that controls the synthesis of auxin, the hormone that regulates nearly all ...
Oct 24, 2011 |
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Researchers examine mechanisms that help cancer cells proliferate
A process that limits the number of times a cell divides works much differently than had been thought, opening the door to potential new anticancer therapies, researchers at UT Southwestern Medical Center report in the Aug. ...
Sep 01, 2009 |
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Scientists find gene linked to congenital heart defect
(PhysOrg.com) -- A gene that can cause congenital heart defects has been identified by a team of scientists, including a group from Princeton University. The discovery could lead to new treatments for those ...
Dec 06, 2010 |
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