Abstract
Chromatin immunoprecipitation coupled with genome tiling array hybridization, also known as ChIP-chip, is a powerful technology to identify protein-DNA interactions in genomes. It is widely used to locate transcription factor binding sites and histone modifications. Data generated by ChIP-chip provide important information on gene regulation. This chapter reviews fundamental issues in ChIP-chip data analysis. Topics include data preprocessing, background correction, normalization, peak detection and motif analysis. Statistical models and principles that significantly improve data analysis are discussed. Popular software tools are briefly introduced.
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Acknowledgements
This work is partially supported by the Johns Hopkins Faculty Professional Development Fund to H.J. The author would like to thank Jennifer T. Judy for helpful comments and proofreading the draft of this chapter.
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Ji, H. (2011). Computational Analysis of ChIP-chip Data. In: Lu, HS., Schölkopf, B., Zhao, H. (eds) Handbook of Statistical Bioinformatics. Springer Handbooks of Computational Statistics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-16345-6_12
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DOI: https://doi.org/10.1007/978-3-642-16345-6_12
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