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Compact, universal DNA microarrays to comprehensively determine transcription-factor binding site specificities.

Identifieur interne : 002D46 ( Main/Exploration ); précédent : 002D45; suivant : 002D47

Compact, universal DNA microarrays to comprehensively determine transcription-factor binding site specificities.

Auteurs : Michael F. Berger [États-Unis] ; Anthony A. Philippakis ; Aaron M. Qureshi ; Fangxue S. He ; Preston W. Estep ; Martha L. Bulyk

Source :

RBID : pubmed:16998473

Descripteurs français

English descriptors

Abstract

Transcription factors (TFs) interact with specific DNA regulatory sequences to control gene expression throughout myriad cellular processes. However, the DNA binding specificities of only a small fraction of TFs are sufficiently characterized to predict the sequences that they can and cannot bind. We present a maximally compact, synthetic DNA sequence design for protein binding microarray (PBM) experiments that represents all possible DNA sequence variants of a given length k (that is, all 'k-mers') on a single, universal microarray. We constructed such all k-mer microarrays covering all 10-base pair (bp) binding sites by converting high-density single-stranded oligonucleotide arrays to double-stranded (ds) DNA arrays. Using these microarrays we comprehensively determined the binding specificities over a full range of affinities for five TFs of different structural classes from yeast, worm, mouse and human. The unbiased coverage of all k-mers permits high-throughput interrogation of binding site preferences, including nucleotide interdependencies, at unprecedented resolution.

DOI: 10.1038/nbt1246
PubMed: 16998473


Affiliations:


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Le document en format XML

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<term>Basic Helix-Loop-Helix Leucine Zipper Transcription Factors (chemistry)</term>
<term>Binding Sites (physiology)</term>
<term>Caenorhabditis elegans</term>
<term>Caenorhabditis elegans Proteins (chemistry)</term>
<term>Early Growth Response Protein 1 (chemistry)</term>
<term>Homeodomain Proteins (chemistry)</term>
<term>Humans</term>
<term>Mice</term>
<term>Octamer Transcription Factor-1 (chemistry)</term>
<term>Oligonucleotide Array Sequence Analysis (methods)</term>
<term>Protein Binding</term>
<term>Saccharomyces cerevisiae</term>
<term>Saccharomyces cerevisiae Proteins (chemistry)</term>
<term>Telomere-Binding Proteins (chemistry)</term>
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<term>Facteurs de transcription ()</term>
<term>Facteurs de transcription (métabolisme)</term>
<term>Facteurs de transcription à motifs basiques hélice-boucle-hélice et à glissière à leucines ()</term>
<term>Humains</term>
<term>Liaison aux protéines</term>
<term>Protéines de Caenorhabditis elegans ()</term>
<term>Protéines de Saccharomyces cerevisiae ()</term>
<term>Protéines télomériques ()</term>
<term>Protéines à homéodomaine ()</term>
<term>Saccharomyces cerevisiae</term>
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<term>Souris</term>
<term>Séquençage par oligonucléotides en batterie ()</term>
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<term>Saccharomyces cerevisiae Proteins</term>
<term>Telomere-Binding Proteins</term>
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<term>Transcription Factors</term>
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<term>Oligonucleotide Array Sequence Analysis</term>
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<term>Facteurs de transcription</term>
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<term>Caenorhabditis elegans</term>
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<div type="abstract" xml:lang="en">Transcription factors (TFs) interact with specific DNA regulatory sequences to control gene expression throughout myriad cellular processes. However, the DNA binding specificities of only a small fraction of TFs are sufficiently characterized to predict the sequences that they can and cannot bind. We present a maximally compact, synthetic DNA sequence design for protein binding microarray (PBM) experiments that represents all possible DNA sequence variants of a given length k (that is, all 'k-mers') on a single, universal microarray. We constructed such all k-mer microarrays covering all 10-base pair (bp) binding sites by converting high-density single-stranded oligonucleotide arrays to double-stranded (ds) DNA arrays. Using these microarrays we comprehensively determined the binding specificities over a full range of affinities for five TFs of different structural classes from yeast, worm, mouse and human. The unbiased coverage of all k-mers permits high-throughput interrogation of binding site preferences, including nucleotide interdependencies, at unprecedented resolution.</div>
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