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Related Experiment Videos

Transcriptomes, transcription activators and microarrays.

F Devaux1, P Marc, C Jacq

  • 1Laboratoire de genetique moleculaire, Ecole Normale Superieure, 46 rue d'Ulm, 75005, Paris, France.

FEBS Letters
|June 20, 2001
PubMed
Summary

Transcription activators control gene expression. This review explores methods to control transcription factors and uses microarray data to analyze their genome-wide effects, particularly in yeast, with data available via yTAFNET.

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Area of Science:

  • Molecular Biology
  • Genomics
  • Systems Biology

Background:

  • Gene-specific transcription activators are key regulators of transcriptome profiles.
  • Understanding genome expression circuitry is crucial for deciphering cellular functions.
  • Microarray technology enables rapid analysis of gene expression patterns.

Purpose of the Study:

  • To review strategies for controlling transcription factor activity.
  • To analyze microarray experiments investigating transcription factor roles in genome-wide expression.
  • To focus on the yeast Saccharomyces cerevisiae genome and its regulatory networks.

Main Methods:

  • Review of literature on transcription factor control strategies.
  • Analysis of microarray data from yeast transcription factor studies.

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  • Data compilation and organization within the yTAFNET database.

    • Main Results:

    • Identification of various strategies to modulate transcription factor activity.
    • Demonstration of transcription factors' significant impact on genome-wide expression profiles.
    • Characterization of regulatory network connections in yeast.

    Conclusions:

    • Transcription factors are critical for shaping transcriptomes.
    • Microarray analyses provide powerful insights into transcription factor functions.
    • The yTAFNET database facilitates the study of yeast regulatory networks.