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Related Concept Videos

Cis-regulatory Sequences02:02

Cis-regulatory Sequences

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Using SCOPE to Identify Potential Regulatory Motifs in Coregulated Genes
07:55

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Published on: May 31, 2011

A computational method to search for DNA structural motifs in functional genomic elements.

Stephen C J Parker1, Aaron Harlap, Thomas D Tullius

  • 1Bioinformatics Program, Boston University, Boston, MA, USA.

Methods in Molecular Biology (Clifton, N.J.)
|August 25, 2011
PubMed
Summary
This summary is machine-generated.

Computational methods now help discover DNA motifs by analyzing sequence and structure. This study introduces a new approach to find DNA structural motifs, identifying one linked to the RLM1 transcription factor in yeast.

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Area of Science:

  • Genomics
  • Bioinformatics
  • Molecular Biology

Background:

  • High-throughput DNA sequencing generates vast genomic data, necessitating advanced computational tools for motif discovery.
  • Traditional motif discovery algorithms focus on nucleotide sequence, overlooking DNA's structural recognition by proteins.
  • Proteins can bind DNA based on its three-dimensional shape, not just its linear sequence.

Purpose of the Study:

  • To develop a computational method for predicting local DNA structural profiles.
  • To identify common DNA structural motifs within genomic sequences.
  • To find a DNA structural motif associated with the transcription factor RLM1 in yeast.

Main Methods:

  • Developed a computational method to predict local structural profiles of DNA sequences.
  • Searched these profiles for common DNA structural motifs.
  • Applied the method to the Saccharomyces cerevisiae genome.

Main Results:

  • Successfully predicted local structural profiles for DNA sequences.
  • Identified a novel DNA structural motif within the yeast genome.
  • This motif is associated with the binding of the transcription factor RLM1.

Conclusions:

  • The developed method effectively identifies DNA structural motifs.
  • DNA structure plays a role in transcription factor binding, exemplified by RLM1.
  • This approach enhances motif discovery by incorporating structural information.