News tagged with model organism
Related topics: genes , genome , fruit flies , yeast
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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Mathematical keys to a sixth sense -- the lateral-line system
Biophysicists at the Technische Universitaet Muenchen are leading an effort to develop and apply models of the so-called lateral-line system found in fish and some amphibians. This sensory organ enables an animal, even in ...
Aug 28, 2009 |
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Some mice stem cells divide in unexpected ways
(PhysOrg.com) -- Using new genetic tools, Cornell researchers have found that some stem cells in mice behave dramatically different than in fruit flies, where most of the pioneering stem cell work has been ...
Aug 14, 2009 |
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Study finds role for parasites in evolution of sex
What's so great about sex? From an evolutionary perspective, the answer is not as obvious as one might think. An article published in the July issue of the American Naturalist suggests that sex may have evolved in part a ...
Jul 06, 2009 |
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'Happy hour' gene discovery suggests cancer drugs might treat alcoholism
A class of drugs already approved as cancer treatments might also help to beat alcohol addiction. That's the conclusion of a discovery in flies of a gene, dubbed happyhour, that has an important and previously unknown role ...
May 21, 2009 |
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Cohesin jigsaw begins to fit
The essential chromosomal protein complex cohesin has crucial roles in sister chromatid cohesion, DNA repair and transcriptional regulation. Despite its conserved function, cohesin's disparate association patterns in different ...
May 19, 2009 |
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Chemists see first building blocks to life on Earth
Scientists at The University of Manchester have developed an experiment that sheds new and fascinating light on how life on Earth might have begun.
May 13, 2009 |
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Synthetic chemical offers solution for crops facing drought
Crops and other plants are constantly confronted with adverse environmental conditions, lowering yield and costing farmers billions of dollars annually. Plants use specialized signals, called stress hormones, ...
Apr 30, 2009 |
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Researcher discover two highly complex organic molecules detected in space
(PhysOrg.com) -- Scientists from the Max Planck Institute for Radio Astronomy (MPIfR) in Bonn, Germany, Cornell University, USA, and the University of Cologne, Germany, have detected two of the most complex ...
Apr 21, 2009 |
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Alzheimer cell death in Zebrafish: Demise of neurons observed live for the first time
Extensive death of nerve cells leads to severe dementia in patients with Alzheimer's disease. Until now, it has only been possible to investigate the neuronal devastation in post mortem animal models, and by using complicated ...
Medicine & Health / Neuroscience
Apr 14, 2009 |
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Biochemists to study how crops can increase protein production
The small flowering plant Arabidopsis is widely used in laboratories as a model organism in plant biology.
Apr 10, 2009 |
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Fruit flies earn no respect, except among scientists
That annoying kitchen pest, the fruit fly, occupies an honored place in science and medicine, despite slurs from politicians such as Sen. John McCain and his 2008 sidekick, Sarah Palin.
Apr 05, 2009 |
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A budding role for a cellular dynamo
Actin, a globular protein found in all eukaryotic cells, is a workhorse that varies remarkably little from baker's yeast to the human body. Part of the cytoskeleton, actin assembles into networks of filaments that give the ...
Biology /
Feb 18, 2009 |
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Cell-building discovery could reduce need for some animal research
Brown University biomedical engineers can now grow and assemble living microtissues into complex three-dimensional structures in a way that will advance the field of tissue engineering and may eventually reduce ...
Biology /
Feb 02, 2009 |
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Although our genetics differ significantly, we all look alike
The genetic variation within a species can be significant, but very little of that variation results in clear differences in morphology or other phenotypes. Much of the diversity remains hidden ‘under the surface’ in buffered ...
Jan 26, 2009 |
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