ChIP-Array: Combinatory analysis of ChIP-seq/chip and microarray gene expression data to discover direct/indirect targets of a transcription factor

Jing Qin, Mulin Jun Li, Panwen Wang, Michael Q. Zhang, Junwen Wang

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

Chromatin immunoprecipitation (ChIP) coupled with high-throughput techniques (ChIP-X), such as next generation sequencing (ChIP-Seq) and microarray (ChIP-chip), has been successfully used to map active transcription factor binding sites (TFBS) of a transcription factor (TF). The targeted genes can be activated or suppressed by the TF, or are unresponsive to the TF. Microarray technology has been used to measure the actual expression changes of thousands of genes under the perturbation of a TF, but is unable to determine if the affected genes are direct or indirect targets of the TF. Furthermore, both ChIP-X and microarray methods produce a large number of false positives. Combining microarray expression profiling and ChIP-X data allows more effective TFBS analysis for studying the function of a TF. However, current web servers only provide tools to analyze either ChIP-X or expression data, but not both. Here, we present ChIP-Array, a web server that integrates ChIP-X and expression data from human, mouse, yeast, fruit fly and Arabidopsis. This server will assist biologists to detect direct and indirect target genes regulated by a TF of interest and to aid in the functional characterization of the TF. ChIP-Array is available at http://jjwanglab.hku.hk/ChIP-Array, with free access to academic users.

Original languageEnglish (US)
JournalNucleic Acids Research
Volume39
Issue numberSUPPL. 2
DOIs
StatePublished - Jul 1 2011
Externally publishedYes

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Chromatin Immunoprecipitation
Transcription Factors
Gene Expression
Genes
Binding Sites
Arabidopsis
Diptera
Fruit
Yeasts
Technology

ASJC Scopus subject areas

  • Genetics

Cite this

ChIP-Array : Combinatory analysis of ChIP-seq/chip and microarray gene expression data to discover direct/indirect targets of a transcription factor. / Qin, Jing; Li, Mulin Jun; Wang, Panwen; Zhang, Michael Q.; Wang, Junwen.

In: Nucleic Acids Research, Vol. 39, No. SUPPL. 2, 01.07.2011.

Research output: Contribution to journalArticle

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