Bursts and pulses

insights from single cell studies into transcriptional mechanisms

Jonathan R. Chubb, Tanniemola B. Liverpool

    Research output: Contribution to journalReview article

    58 Citations (Scopus)

    Abstract

    With a developing appreciation of how noisy gene expression can be, and difficulties in deciphering conventional gene expression data into cell control mechanisms, it has become clear that single cell techniques for measuring transcription are necessary to illuminate basic cell regulation strategies. The resultant use of in situ hybridisation and live cell RNA visualisation approaches in single cells revealed transcription is not adequately reflected by the smooth, seamless process we tend to infer from standard measures of RNA level. When RNA production is measured in single cells, the process of transcription has been shown to occur in bursts, or pulses. This review will highlight the evidence for these phenomena, the proposed mechanisms underlying discontinuity, and the biological implications of such behaviour.

    Original languageEnglish
    Pages (from-to)478-484
    Number of pages7
    JournalCurrent Opinion in Genetics & Development
    Volume20
    Issue number5
    DOIs
    Publication statusPublished - Oct 2010

    Keywords

    • RNA polymerase II
    • Stochastic gene expression
    • In vivo
    • Nongenetic heterogeneity
    • Positional information
    • Noise
    • Variability
    • Chromatin
    • Dynamics
    • Consequences

    Cite this

    Chubb, Jonathan R. ; Liverpool, Tanniemola B. / Bursts and pulses : insights from single cell studies into transcriptional mechanisms. In: Current Opinion in Genetics & Development. 2010 ; Vol. 20, No. 5. pp. 478-484.
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    Bursts and pulses : insights from single cell studies into transcriptional mechanisms. / Chubb, Jonathan R.; Liverpool, Tanniemola B.

    In: Current Opinion in Genetics & Development, Vol. 20, No. 5, 10.2010, p. 478-484.

    Research output: Contribution to journalReview article

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    N2 - With a developing appreciation of how noisy gene expression can be, and difficulties in deciphering conventional gene expression data into cell control mechanisms, it has become clear that single cell techniques for measuring transcription are necessary to illuminate basic cell regulation strategies. The resultant use of in situ hybridisation and live cell RNA visualisation approaches in single cells revealed transcription is not adequately reflected by the smooth, seamless process we tend to infer from standard measures of RNA level. When RNA production is measured in single cells, the process of transcription has been shown to occur in bursts, or pulses. This review will highlight the evidence for these phenomena, the proposed mechanisms underlying discontinuity, and the biological implications of such behaviour.

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    KW - Stochastic gene expression

    KW - In vivo

    KW - Nongenetic heterogeneity

    KW - Positional information

    KW - Noise

    KW - Variability

    KW - Chromatin

    KW - Dynamics

    KW - Consequences

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