Chapter title |
ChIP-seq Analysis of Condensin Complex in Cultured Mammalian Cells.
|
---|---|
Chapter number | 16 |
Book title |
Cohesin and Condensin
|
Published in |
Methods in molecular biology, January 2017
|
DOI | 10.1007/978-1-4939-6545-8_16 |
Pubmed ID | |
Book ISBNs |
978-1-4939-6543-4, 978-1-4939-6545-8
|
Authors |
Toyonori Sakata, Katsuhiko Shirahige, Takashi Sutani |
Editors |
Kyoko Yokomori, Katsuhiko Shirahige |
Abstract |
ChIP-seq, or chromatin immunoprecipitation combined with massively parallel DNA sequencing, is a powerful technique to investigate in vivo protein-DNA interactions on a genome-wide scale at high resolution. Here we describe a ChIP-seq protocol optimized for analysis of condensin I complex on human mitotic chromosomes. The protocol includes procedures of intensive cell fixation by two cross-linking reagents and thorough chromatin shearing by nuclease and sonication treatments, both of which contribute to improving the signal-to-noise ratio of condensin I ChIP-seq profiles. The optimized protocol may also be helpful to explore chromosomal binding sites of other "hard-to-see" proteins by ChIP-seq. |
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