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MicroRNAs in plants: Regulation of the regulator
Date:11/8/2012

se CPL1 as a key component of the microRNA biogenesis pathway. This protein modulates the production of these molecules by removing phosphate residues from HYL1, one of the main co-factors in the pathway, impairing the production of micro RNAs. Once produced these micro RNAs will bind to the corresponding messenger RNAs stopping the production of the protein.

"We have identified one factor able to regulate the activity of the regulators," Pablo Manavella summarizes their results. Micro RNAs represent only one of the of genetic regulation mechanisms among many others; however, in the manner of a switch they provide quick and efficient answers to changing requirements, for example in many developmental processes. In general, micro RNAs in plants are much more specific than in animals, the scientists say. "Plants cannot run away when facing a stressful condition. Therefore they need quick ways to regulate its genes in order to adapt to such situations."


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Contact: Pablo Manavella
pablo.manavella@tuebingen.mpg.de
49-707-160-11405
Max-Planck-Gesellschaft
Source:Eurekalert  

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MicroRNAs in plants: Regulation of the regulator
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