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Updated: Aug 3, 2026

Measuring the Kinetics of mRNA Transcription in Single Living Cells
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Measuring the Kinetics of mRNA Transcription in Single Living Cells

Published on: August 25, 2011

Convolution analysis of transcription by yeast DNA-dependent ribonucleic acid polymerase A. A mathematical method for

C S Cooper, R V Quincey

    The Biochemical Journal
    |March 1, 1979
    PubMed

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    Transcription01:10

    Transcription

    Overview
    Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
    Transcription Can Produce Different Kinds...
    Transcription Elongation Factors02:35

    Transcription Elongation Factors

    Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene.
    The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA into a...
    Real Time RT-PCR02:57

    Real Time RT-PCR

    Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
    The real-time quantification of the number of amplified products is...
    Bacterial Transcription01:53

    Bacterial Transcription

    RNA polymerase (RNAP) carries out DNA-dependent RNA synthesis in both bacteria and eukaryotes. Bacteria do not have a membrane-bound nucleus. So, transcription and translation occur simultaneously, on the same DNA template.
    Transcription can be divided into three main stages, each involving distinct DNA sequences to guide the polymerase. These are:
    Transcription Initiation01:47

    Transcription Initiation

    Initiation is the first step of transcription in eukaryotes. Prokaryotic RNA Polymerase (RNAP) can bind to the template DNA and start transcribing. On the other hand, transcription in eukaryotes requires additional proteins, called transcription factors, to first bind to the promoter region in the DNA template. This binding helps recruit the specific RNAP that can assemble on the DNA and start transcription.
    The promoters and enhancers and their accessory proteins allow tight regulation of...
    Transcription Elongation Factors02:35

    Transcription Elongation Factors

    Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene.
    The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA into a...