News tagged with gene expression

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New technique can locate genes' on-off switches

All the cells in an organism carry the same instruction manual, the DNA, but different cells read and express different portions of it in order fulfill specific functions in the body. For example, nerve cells express genes ...

dateMar 09, 2015 in Biotechnology
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Activating genes on demand

When it comes to gene expression - the process by which our DNA provides the recipe used to direct the synthesis of proteins and other molecules that we need for development and survival - scientists have so far studied one ...

dateMar 04, 2015 in Biotechnology
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Harm and response

We often think of damage on a surface level. But for plants, much of the important response to an insect bite takes place out of sight. Over minutes and hours, particular plant genes are turned on and off to fight back, translating ...

dateFeb 13, 2015 in Plants & Animals
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Cellular memory of stressful situations

Stress is unhealthy. The cells use therefore a variety of mechanisms to deal with stress and avert its immediate threat. However, certain stressful situations leave marks that go beyond the immediate response; some even seem ...

dateJan 28, 2015 in Cell & Microbiology
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Supercomputing the evolution of a model flower

Scientists using supercomputers found genes sensitive to cold and drought in a plant help it survive climate change. These findings increase basic understanding of plant adaptation and can be applied to improve crops.

dateJan 27, 2015 in Evolution
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