ChIP-seq, C&R
Product Information
Storage
Specificity / Sensitivity
Species Reactivity:
All Species Expected
Product Description
Next generation sequencing (NG-seq) is a high throughput method that can be used downstream of chromatin immunoprecipitation (ChIP) and Cleavage Under Targets and Release Using Nuclease (CUT&RUN) assays to identify and quantify target DNA enrichment across the entire genome. The DNA Library Prep Kit for Illumina Systems (ChIP-seq, CUT&RUN) contains all of the enzymes and buffers necessary to generate high quality DNA sequencing libraries from ChIP or CUT&RUN DNA for next-generation sequencing on the Illumina Systems platform. The fast, user-friendly workflow minimizes hands-on time needed for generation and purification of DNA libraries. This product must be used in combination with Multiplex Oligos for Illumina Systems (Single Index Primers) (ChIP-seq, CUT&RUN) #29580 or Multiplex Oligos for Illumina Systems (Dual Index Primers) (ChIP-seq, CUT&RUN) #47538.
This product provides sufficient amounts of reagents for 24 reactions and is compatible with both enzymatic- or sonication-fragmented, ChIP-enriched DNA. Distinct protocols are provied for DNA library preparation from ChIP and CUT&RUN DNA. This product is compatible with SimpleChIP® Enzymatic Chromatin IP Kit (Magnetic Beads) #9003, SimpleChIP® Plus Enzymatic Chromatin IP Kit (Magnetic Beads) #9005, SimpleChIP® Plus Sonication Chromatin IP Kit #56383, and CUT&RUN Assay Kit #86652. This product is not compatible with SimpleChIP® Enzymatic Chromatin IP Kit (Agarose Beads) #9002 and SimpleChIP® Plus Enzymatic Chromatin IP Kit (Agarose Beads) #9004 because agarose beads are blocked with sonicated salmon sperm DNA, which will contaminate DNA library preps and NG-seq.
Background
The chromatin immunoprecipitation (ChIP) assay is a powerful and versatile technique used for probing protein-DNA interactions within the natural chromatin context of the cell (1,2). This assay can be used to identify multiple proteins associated with a specific region of the genome, or the opposite, to identify the many regions of the genome bound by a particular protein (3-6). It can be used to determine the specific order of recruitment of various proteins to a gene promoter or to "measure" the relative amount of a particular histone modification across an entire gene locus (3,4). In addition to histone proteins, the ChIP assay can be used to analyze binding of transcription factors and co-factors, DNA replication factors and DNA repair proteins. When performing the ChIP assay, cells or tissues are first fixed with formaldehyde, a reversible protein-DNA cross-linking agent that "preserves" the protein-DNA interactions occurring in the cell (1,2). Cells are lysed and chromatin is harvested and fragmented using either sonication or enzymatic digestion. The chromatin is then immunoprecipitated with antibodies specific to a particular protein or histone modification. Any DNA sequences that are associated with the protein or histone modification of interest will co-precipitate as part of the cross-linked chromatin complex and the relative amount of that DNA sequence will be enriched by the immunoselection process. After immunoprecipitation, the protein-DNA cross-links are reversed and the DNA is purified. Standard PCR or Quantitative Real-Time PCR can be used to measure the amount of enrichment of a particular DNA sequence by a protein-specific immunoprecipitation (1,2). Alternatively, the ChIP assay can be combined with genomic tiling micro-array (ChIP on chip) techniques, high throughput sequencing, or cloning strategies, all of which allow for genome-wide analysis of protein-DNA interactions and histone modifications (5-8).
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- Kuo, M.H. and Allis, C.D. (1999) Methods 19, 425-33.
- Agalioti, T. et al. (2000) Cell 103, 667-78.
- Soutoglou, E. and Talianidis, I. (2002) Science 295, 1901-4.
- Mikkelsen, T.S. et al. (2007) Nature 448, 553-60.
- Lee, T.I. et al. (2006) Cell 125, 301-13.
- Weinmann, A.S. and Farnham, P.J. (2002) Methods 26, 37-47.
- Wells, J. and Farnham, P.J. (2002) Methods 26, 48-56.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Applications Key
ChIP-seq: Chromatin IP-seq C&R: CUT&RUN
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
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