News tagged with gene flow
If only the weeds would keep their genes to themselves
Oct 06, 2009 |
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Family can be a blessing and a curse, and never more so than in the case of crop plants and their wild relatives. These wild and weedy relatives harbor unique and beneficial genes that may no longer be found in their cultivated ...
Another reason to drink a nice cup of shade-grown joe
Biology /
Dec 22, 2008 |
4.5 / 5 (2) |
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A new study published in the December 23rd issue of Current Biology, a Cell Press publication, reveals another "eco-friendly" reason to select shade-grown coffee over beans that were grown in the sun: Shade coffee farms ...
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Flight of the bumble (and honey) bee
Mar 20, 2009 |
5 / 5 (2) |
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Insects such as honeybees and bumble bees are predictable in the way they move among flowers, typically moving directly from one flower to an adjacent cluster of flowers in the same row of plants. The bees' ...
Homebody queen ants help preserve family ties in large populations
Mar 31, 2009 |
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Ant and bee colonies have long fascinated biologists because of their hierarchical social structure and the apparently altruistic behaviour of female workers in rearing the queen's young rather than reproducing themselves. ...
Gene predicts heart attack response and cardiac damage
Jan 30, 2008 |
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A protein has been found that influences the response of the heart to a lack of oxygen and blood flow, such as occurs during a heart attack, a team of Yale School of Medicine researchers report today in Nature.
Researcher to Study Gene Flow 'Hot Spots' in Canola
Biology /
Apr 24, 2008 |
5 / 5 (1) |
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A University of Arkansas researcher and her colleagues have won a joint grant from the U.S. Department of Agriculture and the Environmental Protection Agency to look at the combined effects of global climate change on weed ...
Preclinical study links gene to brain aneurysm formation
Aug 07, 2007 |
4.7 / 5 (3) |
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University of Cincinnati (UC) neurovascular researchers have identified a gene that—when suppressed or completely absent—may predispose a person to brain aneurysms.
Mental stress reduces blood flow to the heart in patients with gene variation
Apr 15, 2008 |
4.7 / 5 (3) |
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University of Florida researchers have identified a gene variation in heart disease patients who appear especially vulnerable to the physical effects of mental stress — to the point where blood flow to the heart is greatly ...
Plant biologists discover gene that switches on 'essence of male'
Mar 20, 2009 |
4 / 5 (1) |
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Biologists at the University of Leicester have published results of a new study into plant sex - and discovered that a particular gene switches on 'the essence of male'.
Device allows scientists to control gene activity across generations of cells
Biology /
Feb 29, 2008 |
4.7 / 5 (3) |
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Just as cells inherit genes, they also inherit a set of instructions that tell genes when to become active, in which tissues and to what extent. Now, Rockefeller University researchers have built a device that, by allowing ...
Gene hunters target child kidney failure
May 14, 2009 |
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Researchers are zeroing in on the genetic abnormalities predisposing to vesicoureteric reflux (VUR), one of the most common causes of urinary tract infections and kidney failure in children, reports a study in an upcoming ...
Innovative model connects circuit theory to wildlife corridors
Biology /
Dec 20, 2007 |
4.3 / 5 (7) |
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Scientists at Northern Arizona University and the National Center for Ecological Analysis and Synthesis have developed a model that uses circuit theory to predict gene flow across landscapes. Their approach could give managers ...
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