Decontamination of ambient RNA in single-cell RNA-seq with DecontX.

Abstract:

:Droplet-based microfluidic devices have become widely used to perform single-cell RNA sequencing (scRNA-seq). However, ambient RNA present in the cell suspension can be aberrantly counted along with a cell's native mRNA and result in cross-contamination of transcripts between different cell populations. DecontX is a novel Bayesian method to estimate and remove contamination in individual cells. DecontX accurately predicts contamination levels in a mouse-human mixture dataset and removes aberrant expression of marker genes in PBMC datasets. We also compare the contamination levels between four different scRNA-seq protocols. Overall, DecontX can be incorporated into scRNA-seq workflows to improve downstream analyses.

journal_name

Genome Biol

journal_title

Genome biology

authors

Yang S,Corbett SE,Koga Y,Wang Z,Johnson WE,Yajima M,Campbell JD

doi

10.1186/s13059-020-1950-6

subject

Has Abstract

pub_date

2020-03-05 00:00:00

pages

57

issue

1

eissn

1474-7596

issn

1474-760X

pii

10.1186/s13059-020-1950-6

journal_volume

21

pub_type

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