The DOI matches its Crossref record; 52 of the 52 references it cites were found in a registry or an index.
Chromatin immunoprecipitation: optimization, quantitative analysis and data normalization
Open accessAbstract
Background: Chromatin remodeling, histone modifications and other chromatin-related processes play a crucial role in gene regulation. A very useful technique to study these processes is chromatin immunoprecipitation (ChIP). ChIP is widely used for a few model systems, including Arabidopsis, but establishment of the technique for other organisms is still remarkably challenging. Furthermore, quantitative analysis of the precipitated material and normalization of the data is often underestimated, negatively affecting data quality. Results: We developed a robust ChIP protocol, using maize (Zea mays) as a model system, and present a general strategy to systematically optimize this protocol for any type of tissue. We propose endogenous controls for active and for repressed chromatin, and discuss various other controls that are essential for successful ChIP experiments. We experienced that the use of quantitative PCR (QPCR) is crucial for obtaining high quality ChIP data and we explain why. The method of data normalization has a major impact on the quality of ChIP analyses. Therefore, we analyzed different normalization strategies, resulting in a thorough discussion of the advantages and drawbacks of the various approaches. Conclusion: Here we provide a robust ChIP protocol and strategy to optimize the protocol for any type of tissue; we argue that quantitative real-time PCR (QPCR) is the best method to analyze the precipitates, and present comprehensive insights into data normalization.
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Metadata
- Authors
- Haring, M., Offermann, S., Danker, T., Horst, I., Peterhansel, C., & Stam, M.
- Venue
- Plant Methods
- Published
- 2007-09-24
- Volume
- 3
- Issue
- 1
- Pages
- 11-11
- ISSN
- 1746-4811 (ISSN-L)
- OpenAlex
- W2124342021
- Cited by
- 508
- References
- 52
- FWCI
- 4.91
- Type
- journal article
- Language
- en
- Open access
- gold
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- Haring, M., Offermann, S., Danker, T., Horst, I., Peterhansel, C., & Stam, M. (2007). Chromatin immunoprecipitation: optimization, quantitative analysis and data normalization. Plant Methods. https://doi.org/10.1186/1746-4811-3-11
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