Abstract
Chromatin immunoprecipitation (ChIP) is a widely used method to map protein-DNA interactions in vivo. Formaldehyde cross-linked chromatin is fragmented, and the protein of interest is immunoprecipitated using a specific antibody. The co-immunoprecipitated DNA is then purified and analyzed by quantitative PCR (ChIP-qPCR) or next-generation sequencing (ChIP-seq). Therefore, from the amount of DNA recovered, it can be inferred the localization and abundance of the target protein at specific loci or throughout the entire genome. This protocol describes how to perform ChIP from Drosophila adult fly heads.
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