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High-throughput single-cell chromatin accessibility CRISPR screens enable unbiased identification of regulatory networks in cancer
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High-throughput single-cell chromatin accessibility CRISPR screens enable unbiased identification of regulatory networks in cancer
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Journal Article
High-throughput single-cell chromatin accessibility CRISPR screens enable unbiased identification of regulatory networks in cancer
2021
Overview
Chromatin accessibility profiling can identify putative regulatory regions genome wide; however, pooled single-cell methods for assessing the effects of regulatory perturbations on accessibility are limited. Here, we report a modified droplet-based single-cell ATAC-seq protocol for perturbing and evaluating dynamic single-cell epigenetic states. This method (Spear-ATAC) enables simultaneous read-out of chromatin accessibility profiles and integrated sgRNA spacer sequences from thousands of individual cells at once. Spear-ATAC profiling of 104,592 cells representing 414 sgRNA knock-down populations reveals the temporal dynamics of epigenetic responses to regulatory perturbations in cancer cells and the associations between transcription factor binding profiles.
Transcription factor binding dynamics can drive epigenetic states, enabling a diversity of phenotypes. Here the authors present Spear-ATAC to quantify and map perturbations to chromatin accessibility in single cells at high throughput.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 13/44
/ 45
/ 49/47
/ Binding
/ Cancer
/ Chromatin Immunoprecipitation Sequencing
/ CRISPR
/ CRISPR-Cas Systems - genetics
/ Gene Expression Regulation, Neoplastic
/ Genomes
/ High-Throughput Screening Assays - methods
/ Humanities and Social Sciences
/ Humans
/ RNA, Guide, CRISPR-Cas Systems - genetics
/ Science
