Abstract
Chromosome conformation capture techniques are a set of methods used to determine 3D genome organization through the capture and identification of physical contacts between pairs of genomic loci. Among them, 4C-seq (circular chromosome conformation capture coupled to high-throughput sequencing) allows for the identification and quantification of the sequences interacting with a preselected locus of interest. 4C-seq has been widely used in the literature, mainly to study chromatin loops between enhancers and promoters or between CTCF binding sites and to identify chromatin domain boundaries. As 3D-contacts may be established in an allele-specific manner, we describe an up-to-date allele-specific 4C-seq protocol, starting from the selection of allele-specific viewpoints to Illumina sequencing. This protocol has mainly been optimized for cultured mammalian cells, but can be adapted for other cell types with relatively minor changes in initial steps.
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Acknowledgments
We acknowledge funding from the Agence Nationale de la Recherche (project “IMP-REGULOME”—ANR-18-CE12-0022-02) to D. N.
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Miranda, M., Noordermeer, D., Moindrot, B. (2022). Detection of Allele-Specific 3D Chromatin Interactions Using High-Resolution In-Nucleus 4C-seq. In: Sexton, T. (eds) Spatial Genome Organization. Methods in Molecular Biology, vol 2532. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2497-5_2
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DOI: https://doi.org/10.1007/978-1-0716-2497-5_2
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