Cited by 247Gene Regulatory Network AnalysisSingle-cell and spatial transcriptomicsstochastic dynamics and bifurcation

Challenges in measuring and understanding biological noise

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Eling, Nils, Morgan, Michael D., Marioni, John C.·2019·Nature Reviews Genetics

Abstract

Biochemical reactions are intrinsically stochastic, leading to variation in the production of mRNAs and proteins within cells. In the scientific literature, this source of variation is typically referred to as 'noise'. The observed variability in molecular phenotypes arises from a combination of processes that amplify and attenuate noise. Our ability to quantify cell-to-cell variability in numerous biological contexts has been revolutionized by recent advances in single-cell technology, from imaging approaches through to 'omics' strategies. However, defining, accurately measuring and disentangling the stochastic and deterministic components of cell-to-cell variability is challenging. In this Review, we discuss the sources, impact and function of molecular phenotypic variability and highlight future directions to understand its role.

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  • Existing cell models are often rule-based and combine assumptions about the underlying biological mechanisms with parameters fit from observational data.

    “Existing cell models are often rule-based and combine assumptions about the underlying biological mechanisms with parameters fit from observational data.”

    From How to build the virtual cell with artificial intelligence: Priorities and opportunities (2024) · cites this paper as [11]

    The Introduction section on measuring phenotypic variability describes a mechanistic model that assumes promoters switch between ON and OFF states and infers transcription parameters from single-cell RNA-sequencing data (page unavailable). This supports an example of combining a biological mechanism with data-derived parameters, but the paper does not establish that existing cell models are often rule-based. (LLM, conf=0.78)

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  • Existing cell models generally rely on explicitly defined mathematical or computational approaches, such as differential equations, stochastic simulations, or agent-based models.

    “They generally rely on explicitly defined mathematical or computational approaches, such as differential equations,7–9 stochastic simulations,10,11 or agent-based models.12,13”

    From How to build the virtual cell with artificial intelligence: Priorities and opportunities (2024) · cites this paper as [11]

    The Introduction (The role of molecular phenotypic variability; page unavailable) describes stochastic and deterministic models of a cellular decision, supporting the general point that cell processes are modeled mathematically. It does not establish that existing cell models generally use the listed approaches, or document differential equations and agent-based models as examples. (LLM, conf=0.80)

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Research works printed but not linked: 1

  1. [76]Mulqueen RM Scalable and efficient single-cell DNA methylation sequencing by combinatorial indexing bioRxiv 2017

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Authors
Eling, N., Morgan, M. D., & Marioni, J. C.
Affiliations
  • European Bioinformatics Institute (GB)
  • Wellcome Sanger Institute (GB)
Corresponding author
  • Eling, Nils
  • Morgan, Michael D.
  • Marioni, John C.
Venue
Nature Reviews Genetics
Published
2019-05-21
Volume
20
Issue
9
Pages
536-548
ISSN
  • 1471-0056 (ISSN-L)
  • 1471-0064
OpenAlex
W2945570991
Cited by
247
References
158
Citations by year
2026: 22 · 2025: 33 · 2024: 51 · 2023: 39 · 2022: 37 · 2021: 37 · 2020: 24 · 2019: 4
FWCI
2.24
Type
journal article
Language
en
Open access
Locations
  • Nature Reviews Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Wellcome Trust (105045, 105045/Z/14/Z)
  • Cancer Research UK (22231, 17197)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › stochastic dynamics and bifurcation
Keywords
biological noise, cell-to-cell variability, stochastic gene expression, single-cell technologies

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