Cited by 130Single-cell and spatial transcriptomicsGene Regulatory Network AnalysisGenomics and Chromatin Dynamics

Multi-omic single-cell velocity models epigenome–transcriptome interactions and improves cell fate prediction

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Li, Chen, Virgilio, Maria C., Collins, Kathleen L., Welch, Joshua D.·2023·Nature Biotechnology

Abstract

Multi-omic single-cell datasets, in which multiple molecular modalities are profiled within the same cell, offer an opportunity to understand the temporal relationship between epigenome and transcriptome. To realize this potential, we developed MultiVelo, a differential equation model of gene expression that extends the RNA velocity framework to incorporate epigenomic data. MultiVelo uses a probabilistic latent variable model to estimate the switch time and rate parameters of chromatin accessibility and gene expression and improves the accuracy of cell fate prediction compared to velocity estimates from RNA only. Application to multi-omic single-cell datasets from brain, skin and blood cells reveals two distinct classes of genes distinguished by whether chromatin closes before or after transcription ceases. We also find four types of cell states: two states in which epigenome and transcriptome are coupled and two distinct decoupled states. Finally, we identify time lags between transcription factor expression and binding site accessibility and between disease-associated SNP accessibility and expression of the linked genes. MultiVelo is available on PyPI, Bioconda and GitHub ( https://github.com/welch-lab/MultiVelo ).

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  • MultiVelo integrates chromatin accessibility and gene expression to estimate chromatin accessibility switches and gene splicing states.

    “These methods can also be extended to model post-transcriptional regulation and predict future cellular states, such as MultiVelo, which integrates chromatin accessibility and gene expression to estimate chromatin accessibility switches and gene splicing states180.”

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  1. [35]Berndt DJ & Clifford J Using dynamic time warping to find patterns in time series. In Proceedings of the 3rd International Conference on Knowledge Discovery and Data Mining, AAAIWS’ 94, 359– 370 (AAAI Press, 1994).

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Authors
Li, C., Virgilio, M. C., Collins, K. L., & Welch, J. D.
Affiliations
University of Michigan (US)
Corresponding author
Welch, Joshua D.
Venue
Nature Biotechnology
Published
2022-10-13
Volume
41
Issue
3
Pages
387-398
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W4305013698
Cited by
130
References
78
Citations by year
2026: 37 · 2025: 44 · 2024: 34 · 2023: 13 · 2022: 2
FWCI
7.67
Type
journal article
Language
en
Open access
Locations
  • Nature Biotechnology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion, other-oa)
Funders
U.S. Department of Health & Human Services | National Institutes of Health (T32GM141746, F31AI155047, T32GM007315, R01AI149669, R01HG010883)
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 Regulatory Network Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
RNA velocity, chromatin accessibility, differential equation model, cell fate prediction, probabilistic latent variable models, transcription factor binding sites, single-cell multi-omics, gene expression dynamics, disease-associated SNPs
MeSH terms
Epigenome, Multiomics, Chromatin, RNA, Single-Cell Analysis, Transcriptome

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