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High-throughput Screening for Broad-spectrum Chemical Inhibitors of RNA Viruses
Published on: May 5, 2014
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Forward chemical screening of small RNA pathways
1Department of Plant Pathology and Microbiology, Institute for Integrative Genome Biology, University of California, Riverside, CA, USA.
Methods in Molecular Biology (Clifton, N.J.)
|December 6, 2013
Summary
This study introduces a new chemical screening method for plant small RNA pathways. It uses Arabidopsis thaliana reporter lines to efficiently identify chemicals that disrupt gene regulation by small RNAs.
Area of Science:
- Molecular Biology
- Genetics
- Plant Science
Background:
- RNA silencing is a key gene expression regulatory mechanism mediated by small RNAs.
- Small RNAs regulate gene expression transcriptionally or post-transcriptionally in plants.
- Forward genetic screens identify some small RNA pathway components but miss essential or redundant genes.
Purpose of the Study:
- To develop a rapid chemical screening method for perturbing plant small RNA pathways.
- To overcome limitations of genetic screens in identifying essential or redundant genes.
Main Methods:
- Utilized Arabidopsis thaliana reporter lines.
- Developed a 96-well format for high-throughput chemical screening.
- Focused on chemicals that perturb small RNA biogenesis and function.
Main Results:
- Established a method for efficiently screening chemicals affecting small RNA pathways.
- Demonstrated the utility of chemical screens for targeting redundant gene families.
Conclusions:
- Chemical screening offers advantages over genetic screens for studying essential and redundant genes in small RNA pathways.
- The described method enables rapid identification of compounds modulating plant small RNA functions.
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