Document Detail


Screening for Bioactive Small Molecules by In Vivo Monitoring of Luciferase-Based Reporter Gene Expression in Arabidopsis thaliana.
MedLine Citation:
PMID:  24306859     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Chemical genetics is a scientific strategy that utilizes bioactive small molecules as experimental tools to dissect biological processes. Bioactive compounds occurring in nature represent an enormous diversity of structures that potentially can be used as activators or inhibitors of biochemical pathways, transport processes, regulatory networks, or developmental programs. Screening methods to identify bioactive small molecules can vary greatly, ranging from visual evaluation of phenotypic alterations to quantifying biometric traits such as enzyme activities. Here, we describe a general methodology that permits identification of compounds modulating the expression of reporter genes in Arabidopsis thaliana seedlings. The selection of luciferase-based reporter systems has the advantage that it allows in vivo imaging of reporter gene activity in a semiquantitative manner without affecting plant viability. We chose an Arabidopsis line harboring the luciferase reporter under the control of the jasmonate-inducible LOX2 promoter to screen for either activators or inhibitors of gene expression. The outlined assay conditions can readily be applied to Arabidopsis lines containing other reporter genes. Thereby screening for small molecules affecting different signaling pathways and/or phenotypic responses is possible.
Authors:
Christian Meesters; Erich Kombrink
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Methods in molecular biology (Clifton, N.J.)     Volume:  1056     ISSN:  1940-6029     ISO Abbreviation:  Methods Mol. Biol.     Publication Date:  2014  
Date Detail:
Created Date:  2013-12-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9214969     Medline TA:  Methods Mol Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  19-31     Citation Subset:  IM    
Affiliation:
Department of Plant-Microbe Interactions, Max Planck Institute for Plant Breeding Research, Köln, Germany.
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