Cited by 304Single-cell and spatial transcriptomicsGene expression and cancer classificationGenomics and Phylogenetic Studies

BASiCS: Bayesian Analysis of Single-Cell Sequencing Data

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Vallejos, Catalina A., Marioni, John C., Richardson, Sylvia·2015·PLOS Computational Biology

Abstract

Single-cell mRNA sequencing can uncover novel cell-to-cell heterogeneity in gene expression levels in seemingly homogeneous populations of cells. However, these experiments are prone to high levels of unexplained technical noise, creating new challenges for identifying genes that show genuine heterogeneous expression within the population of cells under study. BASiCS (Bayesian Analysis of Single-Cell Sequencing data) is an integrated Bayesian hierarchical model where: (i) cell-specific normalisation constants are estimated as part of the model parameters, (ii) technical variability is quantified based on spike-in genes that are artificially introduced to each analysed cell's lysate and (iii) the total variability of the expression counts is decomposed into technical and biological components. BASiCS also provides an intuitive detection criterion for highly (or lowly) variable genes within the population of cells under study. This is formalised by means of tail posterior probabilities associated to high (or low) biological cell-to-cell variance contributions, quantities that can be easily interpreted by users. We demonstrate our method using gene expression measurements from mouse Embryonic Stem Cells. Cross-validation and meaningful enrichment of gene ontology categories within genes classified as highly (or lowly) variable supports the efficacy of our approach.

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Authors
Vallejos, C. A., Marioni, J. C., & Richardson, S.
Affiliations
  • European Bioinformatics Institute (GB)
  • MRC Biostatistics Unit (GB)
Corresponding author
  • Vallejos, Catalina A.
  • Marioni, John C.
  • Richardson, Sylvia
Venue
PLOS Computational Biology
Published
2015-06-24
Volume
11
Issue
6
Pages
e1004333
ISSN
  • 1553-734X (ISSN-L)
  • 1553-7358
OpenAlex
W839653734
Cited by
302
References
20
Citations by year
2026: 10 · 2025: 16 · 2024: 27 · 2023: 32 · 2022: 24 · 2021: 44 · 2020: 28 · 2019: 31 · 2018: 37 · 2017: 35 · 2016: 18
FWCI
13.02
Type
journal article
Language
en
Open access
Locations
  • PLoS Computational Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • UCL Discovery (University College London) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • Spiral (Imperial College London) (submittedVersion, cc-by)
Funders
  • European Bioinformatics Institute
  • Cancer Research UK (22231)
  • Medical Research Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
Keywords
single-cell RNA sequencing, cellular heterogeneity, Bayesian hierarchical model, technical noise, mouse embryonic stem cells, gene expression variation
MeSH terms
Animals, Bayes Theorem, RNA, Messenger, Reproducibility of Results, Computational Biology, Oligonucleotide Array Sequence Analysis, Gene Expression Profiling, Mice, Embryonic Stem Cells, Single-Cell Analysis

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