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Biologists discover an on/off button on plants' alarm system
Date:4/1/2010

een known that TPL suppresses the expression of genes controlled by the growth regulator auxin. The VIB researchers are now demonstrating that TPL proteins suppress other genes as well. In fact, they not only influence the regulation of a plant's growth but also other hormonally driven processes by interacting with proteins like NINJA.

This new insight reveals how stress- and growth-related signaling pathways use the same molecular mechanisms to regulate gene expression in plants and fills a major gap in our understanding of how plant hormones such as jasmonates regulate gene expression.

Pharmaceutical application

When plants turn on their defense mechanism, they start the production of secondary metabolites, a group of chemical substances exhibiting various therapeutic activities. Now that more is known about the regulation of these secondary metabolites, scientists can look for ways to step up their production.


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Contact: Joris Gansemans
joris.gansemans@vib.be
32-472-594-067
VIB (the Flanders Institute for Biotechnology)
Source:Eurekalert

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