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ScDAPA: detection and visualization of dynamic alternative polyadenylation from single cell RNA-seq data.


ABSTRACT:

Motivation

Alternative polyadenylation (APA) plays a key post-transcriptional regulatory role in mRNA stability and functions in eukaryotes. Single cell RNA-seq (scRNA-seq) is a powerful tool to discover cellular heterogeneity at gene expression level. Given 3' enriched strategy in library construction, the most commonly used scRNA-seq protocol-10× Genomics enables us to improve the study resolution of APA to the single cell level. However, currently there is no computational tool available for investigating APA profiles from scRNA-seq data.

Results

Here, we present a package scDAPA for detecting and visualizing dynamic APA from scRNA-seq data. Taking bam/sam files and cell cluster labels as inputs, scDAPA detects APA dynamics using a histogram-based method and the Wilcoxon rank-sum test, and visualizes candidate genes with dynamic APA. Benchmarking results demonstrated that scDAPA can effectively identify genes with dynamic APA among different cell groups from scRNA-seq data.

Availability and implementation

The scDAPA package is implemented in Shell and R, and is freely available at https://scdapa.sourceforge.io.

Supplementary information

Supplementary data are available at Bioinformatics online.

SUBMITTER: Ye C 

PROVIDER: S-EPMC8215916 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Publications

scDAPA: detection and visualization of dynamic alternative polyadenylation from single cell RNA-seq data.

Ye Congting C   Zhou Qian Q   Wu Xiaohui X   Yu Chen C   Ji Guoli G   Saban Daniel R DR   Li Qingshun Q QQ  

Bioinformatics (Oxford, England) 20200201 4


<h4>Motivation</h4>Alternative polyadenylation (APA) plays a key post-transcriptional regulatory role in mRNA stability and functions in eukaryotes. Single cell RNA-seq (scRNA-seq) is a powerful tool to discover cellular heterogeneity at gene expression level. Given 3' enriched strategy in library construction, the most commonly used scRNA-seq protocol-10× Genomics enables us to improve the study resolution of APA to the single cell level. However, currently there is no computational tool availa  ...[more]

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