Transcriptomics

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Profiling of RNA-binding protein binding sites by in-situ reverse transcription-based sequencing


ABSTRACT: RNA-binding proteins (RBPs) regulate diverse cellular processes by dynamically interacting with RNA targets. However, effective methods to capture both stable and transient interactions between RBPs and their RNA substrates are still lacking, especially when the interaction is dynamic or materials are limited. Here we present an assay of reverse transcription-based RBP binding sites sequencing (ARTR-seq), which relies on in-situ reverse transcription of RBP-bound RNAs guided by antibodies to identify RBP binding sites. ARTR-seq avoids ultraviolet cross-linking and immunoprecipitation, allowing for efficient and specific identification of RBP binding sites from as few as 20 cells or a tissue section. Taking advantage of rapid formaldehyde fixation, ARTR-seq enables capturing the dynamic binding of RBPs over a short period of time, as demonstrated by the discovery of dynamic RNA binding of G3BP1 during stress granule assembly on a timescale as short as 10 min.

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE226161 | GEO | 2023/11/05

REPOSITORIES: GEO

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