Cited by 792RNA Research and SplicingGenomics and Phylogenetic StudiesSingle-cell and spatial transcriptomics

Annotation-free quantification of RNA splicing using LeafCutter

Open access
Li, Yang I., Knowles, David A., Humphrey, Jack, Barbeira, Alvaro N., Dickinson, Scott P., Im, Hae Kyung, Pritchard, Jonathan K.·2018·Nature Genetics

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Abstract

The excision of introns from pre-mRNA is an essential step in mRNA processing. We developed LeafCutter to study sample and population variation in intron splicing. LeafCutter identifies variable splicing events from short-read RNA-seq data and finds events of high complexity. Our approach obviates the need for transcript annotations and circumvents the challenges in estimating relative isoform or exon usage in complex splicing events. LeafCutter can be used both to detect differential splicing between sample groups and to map splicing quantitative trait loci (sQTLs). Compared with contemporary methods, our approach identified 1.4-2.1 times more sQTLs, many of which helped us ascribe molecular effects to disease-associated variants. Transcriptome-wide associations between LeafCutter intron quantifications and 40 complex traits increased the number of associated disease genes at a 5% false discovery rate by an average of 2.1-fold compared with that detected through the use of gene expression levels alone. LeafCutter is fast, scalable, easy to use, and available online.

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  • Local differential splicing was assessed with LeafCutter using de novo aligned RNA-seq reads and the same covariates as DGE/DTE.

    “We used LeafCutter (29) to assess local differential splicing (DS) differences in ASD, SCZ and BD using de novo aligned RNA-seq reads, controlling for the same covariates as DGE/DTE (Fig S7).”
  • Using de novo junctions increased confidence of detection of differential splicing, and the procedure took into account known and novel splice sites.

    “Using de novo junctions increased the confidence of detection of differential splicing 41,42 , and our procedure took into account known and novel splice sites.”

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  1. [8]Bray N Pimentel H Melsted P Pachter L Near-optimal rna-seq quantification arxiv 1 1 2015

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Authors
Li, Y. I., Knowles, D. A., Humphrey, J., Barbeira, A. N., Dickinson, S. P., Im, H. K., & Pritchard, J. K.
Affiliations
  • University of Chicago (US)
  • Stanford Medicine (US)
  • UCL Queen Square Institute of Neurology (GB)
  • Howard Hughes Medical Institute (US)
Corresponding author
  • Li, Yang I.
  • Knowles, David A.
  • Pritchard, Jonathan K.
Venue
Nature Genetics
Published
2017-12-11
Volume
50
Issue
1
Pages
151-158
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2774883395
Cited by
765
References
45
Citations by year
2026: 79 · 2025: 113 · 2024: 95 · 2023: 109 · 2022: 95 · 2021: 131 · 2020: 51 · 2019: 45 · 2018: 33 · 2017: 8 · 2016: 5
FWCI
15.29
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Center for Computational, Evolutionary and Human Genomics, Stanford University
  • National Institute of Mental Health (R01MH107666)
  • National Human Genome Research Institute (U01HG009431, U01HG007036, R01HG008140)
  • National Institute of Diabetes and Digestive and Kidney Diseases (P30DK020595)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
Keywords
Leafcutter, alternative splicing, intron splicing, splicing quantitative trait loci, differential splicing, transcriptome-wide association study, disease-associated variants, pre-mRNA processing
MeSH terms
Animals, Disease, Introns, Software, Genetic Variation, Alternative Splicing, Sequence Analysis, RNA, Gene Expression Profiling, Quantitative Trait Loci, Molecular Sequence Annotation

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