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Cited by 561

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

PeakSeq enables systematic scoring of ChIP-seq experiments relative to controls

Open access
Rozowsky, Joel, Euskirchen, Ghia, Auerbach, Raymond K, Zhang, Zhengdong D, Gibson, Theodore, Bjornson, Robert, Carriero, Nicholas, Snyder, Michael, Gerstein, Mark B·2009·Nature Biotechnology

Abstract

Chromatin immunoprecipitation (ChIP) followed by tag sequencing (ChIP-seq) using high-throughput next-generation instrumentation is fast, replacing chromatin immunoprecipitation followed by genome tiling array analysis (ChIP-chip) as the preferred approach for mapping of sites of transcription-factor binding and chromatin modification. Using two deeply sequenced data sets for human RNA polymerase II and STAT1, each with matching input-DNA controls, we describe a general scoring approach to address unique challenges in ChIP-seq data analysis. Our approach is based on the observation that sites of potential binding are strongly correlated with signal peaks in the control, likely revealing features of open chromatin. We develop a two-pass strategy called PeakSeq to compensate for this. A two-pass strategy compensates for signal caused by open chromatin, as revealed by inclusion of the controls. The first pass identifies putative binding sites and compensates for genomic variation in the 'mappability' of sequences. The second pass filters out sites not significantly enriched compared to the normalized control, computing precise enrichments and significances. Our scoring procedure enables us to optimize experimental design by estimating the depth of sequencing required for a desired level of coverage and demonstrating that more than two replicates provides only a marginal gain in information.

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Crossref · 10.1038/nbt.1518

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Metadata

Authors
Rozowsky, J., Euskirchen, G., Auerbach, R. K., Zhang, Z. D., Gibson, T., Bjornson, R., Carriero, N., Snyder, M., & Gerstein, M. B.
Venue
Nature Biotechnology
Published
2009-01
Volume
27
Issue
1
Pages
66-75
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W1996212302
Cited by
561
References
7
FWCI
30.97
Type
journal article
Language
en
Open access
green

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