Cited by 684Gene Regulatory Network AnalysisGenomics and Chromatin DynamicsRNA Research and Splicing

Single-RNA counting reveals alternative modes of gene expression in yeast

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Zenklusen, Daniel, Larson, Daniel R, Singer, Robert H·2008·Nature Structural & Molecular Biology

Abstract

Proper execution of transcriptional programs is a key requirement of gene expression regulation, demanding accurate control of timing and amplitude. How precisely the transcription machinery fulfills this task is not known. Using an in situ hybridization approach that detects single mRNA molecules, we measured mRNA abundance and transcriptional activity within single Saccharomyces cerevisiae cells. We found that expression levels for particular genes are higher than initially reported and can vary substantially among cells. However, variability for most constitutively expressed genes is unexpectedly small. Combining single-transcript measurements with computational modeling indicates that low expression variation is achieved by transcribing genes using single transcription-initiation events that are clearly separated in time, rather than by transcriptional bursts. In contrast, PDR5, a gene regulated by the transcription coactivator complex SAGA, is expressed using transcription bursts, resulting in larger variation. These data directly demonstrate the existence of multiple expression modes used to modulate the transcriptome.

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Authors
Zenklusen, D., Larson, D. R., & Singer, R. H.
Affiliations
Albert Einstein College of Medicine (US)
Corresponding author
Singer, Robert H
Venue
Nature Structural & Molecular Biology
Published
2008-11-16
Volume
15
Issue
12
Pages
1263-1271
ISSN
  • 1545-9985 (ISSN-L)
  • 1545-9993
OpenAlex
W1992927069
Cited by
684
References
63
Citations by year
2026: 16 · 2025: 25 · 2024: 45 · 2023: 35 · 2022: 22 · 2021: 38 · 2020: 37 · 2019: 40 · 2018: 44 · 2017: 36 · 2016: 52 · 2015: 47 · 2014: 38 · 2013: 64 · 2012: 40
FWCI
14.41
Type
journal article
Language
en
Open access
Locations
  • Nature Structural & Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of General Medical Sciences (R01GM057071)
Topics
  • 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
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Research and Splicing
Keywords
transcriptional bursting, gene expression variation, Saccharomyces cerevisiae, PDR5, nascent RNA, mRNA levels, housekeeping genes, transcriptional regulation
MeSH terms
RNA, Fungal, RNA, Messenger, Saccharomyces cerevisiae, Transcription, Genetic, Trans-Activators, Gene Expression, In Situ Hybridization, Fluorescence, Saccharomyces cerevisiae Proteins

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