Cited by 745Gene Regulatory Network Analysisstochastic dynamics and bifurcationBacterial Genetics and Biotechnology

Using Gene Expression Noise to Understand Gene Regulation

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Munsky, Brian, Neuert, Gregor, van Oudenaarden, Alexander·2012·Science

Abstract

Phenotypic variation is ubiquitous in biology and is often traceable to underlying genetic and environmental variation. However, even genetically identical cells in identical environments display variable phenotypes. Stochastic gene expression, or gene expression “noise,” has been suggested as a major source of this variability, and its physiological consequences have been topics of intense research for the last decade. Several recent studies have measured variability in protein and messenger RNA levels, and they have discovered strong connections between noise and gene regulation mechanisms. When integrated with discrete stochastic models, measurements of cell-to-cell variability provide a sensitive “fingerprint” with which to explore fundamental questions of gene regulation. In this review, we highlight several studies that used gene expression variability to develop a quantitative understanding of the mechanisms and dynamics of gene regulation.

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  • Protocols that lyse entire cells measure total mRNA, and consequently they mix the fluctuating nuclear RNA and the more stable cytoplasmic RNA and combine transcriptional and post-transcriptional effects in a single measurement.

    “Second, protocols that lyse entire cells measure total mRNA, and consequently they mix the fluctuating nuclear RNA and the more stable cytoplasmic RNA177,178 and combine transcriptional and post-transcriptional effects in a single measurement.”

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  1. [17]Iyer-Biswas S Hayot F Jayaprakash C Phys Rev E 79 031911 2009 19391975

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Authors
Munsky, B., Neuert, G., & van Oudenaarden, A.
Affiliations
  • Los Alamos National Laboratory (US)
  • Massachusetts Institute of Technology (US)
  • Departments of Physics and Biology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Corresponding author
  • Munsky, Brian
  • Neuert, Gregor
Venue
Science
Published
2012-04-13
Volume
336
Issue
6078
Pages
183-187
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1984429906
Cited by
745
References
35
Citations by year
2026: 19 · 2025: 37 · 2024: 48 · 2023: 44 · 2022: 51 · 2021: 64 · 2020: 51 · 2019: 43 · 2018: 56 · 2017: 57 · 2016: 62 · 2015: 65 · 2014: 54 · 2013: 68 · 2012: 24
FWCI
6.16
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • KNAW Research Portal (The Royal Netherlands Academy of Arts and Sciences) (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
Funders
  • National Institutes of Health (DP1OD003936)
  • National Cancer Institute (DP1CA174420)
  • Division of Electrical, Communications and Cyber Systems
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene Regulatory Network Analysis
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › stochastic dynamics and bifurcation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
Keywords
stochastic gene expression, gene expression regulation, phenotypic variability, cell-to-cell variability, mRNA levels, protein abundance, stochastic modeling
MeSH terms
Animals, Gene Expression Regulation, Humans, Models, Genetic, Phenotype, RNA, Messenger, Stochastic Processes, Transcription, Genetic, Models, Statistical, Gene Expression

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