(PhysOrg.com) -- During the development of organisms, a particular event repeatedly occurs: a signal appears temporarily, but the processes it triggers must be maintained – for example, when the fate of cells in the ...
Biotechnology
Apr 18, 2011
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(PhysOrg.com) -- Plants are very sensitive to light conditions because light is their source of energy and also a signal that activates the special photoreceptors that regulate growth, metabolism, and physiological development. ...
Cell & Microbiology
Dec 13, 2010
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Researchers at the Virginia Bioinformatics Institute at Virginia Tech have discovered how abscisic acid, a natural plant hormone with known beneficial properties for the treatment of disease, helps fight inflammation. The ...
Biochemistry
Dec 9, 2010
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Scientists have known for some time how important plant steroids called brassinosteroids are for regulating plant growth and development. But until now, they did not know how extensive their reach is. Now researchers, including ...
Cell & Microbiology
Nov 15, 2010
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(PhysOrg.com) -- The discovery of a hormone acting like molecular glue could hold a key to bolstering plant immune systems and understanding how plants cope with environmental stress.
Biochemistry
Oct 6, 2010
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Flowering plants produce nectar to attract insect pollinators. Some plant species, such as Lima bean, also secrete nectar from so-called extrafloral nectaries to attract ants which in turn fend off herbivores. Scientists ...
Plants & Animals
Sep 27, 2010
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Each year, thousands of acres of crops are planted throughout Africa, Asia and Australia only to be laid to waste by a parasitic plant called Striga, also known as witchweed. It is one of the largest challenges to food security ...
Biotechnology
Sep 10, 2010
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A collaborative team of scientists led by researchers at The Medical College of Wisconsin, in Milwaukee, has used the tools of structural biology to understand how a synthetic chemical mimics abscisic acid (ABA), a key stress ...
Biotechnology
Aug 25, 2010
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Male fish are taking longer to be "feminized" by chemical contaminants that act as hormone disrupters in Colorado's Boulder Creek following the upgrade of a wastewater treatment plant in Boulder in 2008, according to a new ...
Ecology
Jun 21, 2010
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Forestry scientists at Oregon State University have demonstrated for the first time that the growth rate and other characteristics of trees can be changed through "cisgenics" - a type of genetic engineering that is conceptually ...
Biotechnology
Jun 8, 2010
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