ScienceDaily: Biotechnology News |
- Scientists coax shy microorganisms to stand out in a crowd
- Yellow Biotechnology: Using plants to silence insect genes in a high-throughput manner
- Why red wine can be healthy: Probable mechanism underlying resveratrol activity uncovered
| Scientists coax shy microorganisms to stand out in a crowd Posted: 02 Feb 2012 01:48 PM PST Scientists have advanced a method that allowed them to single out a marine microorganism and map its genome even though the organism made up less than 10 percent of a water sample teeming with many millions of individuals from dozens of identifiable groups of microbes.  |
| Yellow Biotechnology: Using plants to silence insect genes in a high-throughput manner Posted: 02 Feb 2012 12:12 PM PST Scientists are now using a procedure which brings forward ecological research on insects: They study gene functions in moth larvae by manipulating genes using the RNA interference technology (RNAi). RNAi is induced by feeding larvae with plants that have been treated with viral vectors. This method called "plant virus based dsRNA producing system" increases sample throughput compared to the use of genetically transformed plants.  |
| Why red wine can be healthy: Probable mechanism underlying resveratrol activity uncovered Posted: 02 Feb 2012 12:11 PM PST Researchers have identified how resveratrol, a naturally occurring chemical found in red wine and other plant products, may confer its health benefits. The authors present evidence that resveratrol does not directly activate sirtuin 1, a protein associated with aging. Rather, the authors found that resveratrol inhibits certain types of proteins known as phosphodiesterases (PDEs), enzymes that help regulate cell energy.  |
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