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Related Experiment Videos

Gene and enhancer traps for gene discovery.

Marcela Rojas-Pierce1, Patricia S Springer

  • 1Department of Botany and Plant Sciences, Center for Plant Cell Biology, University of California-Riverside, Riverside, CA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|September 23, 2003
PubMed
Summary

Gene traps and enhancer traps enable gene discovery by tracking reporter gene expression patterns. This method, using beta-glucuronidase (GUS), identifies tissue-specific gene activity and aids in molecular characterization.

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Area of Science:

  • Genetics and Molecular Biology
  • Gene Expression Analysis
  • Reporter Gene Assays

Background:

  • Gene traps and enhancer traps are powerful tools for identifying novel genes.
  • Reporter genes, like beta-glucuronidase (GUS), offer sensitive detection of gene expression patterns.
  • Understanding gene function relies on precise identification of tissue- and cell-type specific expression.

Purpose of the Study:

  • To describe protocols for examining and documenting GUS reporter gene activity in gene trap/enhancer trap lines.
  • To provide methods for molecular and genetic characterization of transposon insertions.
  • To facilitate gene discovery through expression pattern analysis.

Main Methods:

  • Utilizing gene traps and enhancer traps for insertional mutagenesis.

Related Experiment Videos

  • Employing beta-glucuronidase (GUS) as a sensitive reporter gene.
  • Developing protocols for analyzing GUS activity and flanking DNA sequences.
  • Performing molecular and genetic characterization of insertion events.

    • Main Results:

    • Established protocols for visualizing and documenting GUS reporter gene expression.
    • Detailed methods for amplifying and analyzing sequences flanking insertion sites.
    • Demonstrated the utility of GUS reporter systems for identifying tissue-specific expression patterns.
    • Provided a framework for molecular and genetic characterization of individual gene trap/enhancer trap lines.

    Conclusions:

    • Gene traps and enhancer traps, coupled with GUS reporter assays, are effective for gene discovery.
    • The described protocols enable detailed analysis of gene expression patterns and insertion characterization.
    • This approach significantly aids in understanding gene function and regulation through expression profiling.