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- W2093669704 endingPage "021001" @default.
- W2093669704 startingPage "021001" @default.
- W2093669704 abstract "Atomic force microscopy (AFM) can detect single biomacromolecules with a high signal-to-noise ratio on atomically flat biocompatible support surfaces, such as mica. Contrast arises from the innate forces and therefore AFM does not require imaging contrast agents, leading to sample preparation that is relatively straightforward. The ability of AFM to operate in hydrated environments, including humid air and aqueous buffers, allows structure and function of biological and biomolecular systems to be retained. These traits of the AFM are ensuring that it is being increasingly used to study deoxyribonucleic acid (DNA) structure and DNA-protein interactions down to the secondary structure level. This report focuses in particular on reviewing the applications of AFM to the study of DNA transcription in reductionist single-molecule bottom-up approaches. The technique has allowed new insights into the interactions between ribonucleic acid (RNA) polymerase to be gained and enabled quantification of some aspects of the transcription process, such as promoter location, DNA wrapping and elongation. More recently, the trend is towards studying the interactions of more than one enzyme operating on a single DNA template. These methods begin to reveal the mechanics of gene expression at the single-molecule level and will enable us to gain greater understanding of how the genome is transcribed and translated into the proteome." @default.
- W2093669704 created "2016-06-24" @default.
- W2093669704 creator A5012208618 @default.
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- W2093669704 creator A5028105893 @default.
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- W2093669704 creator A5089733029 @default.
- W2093669704 date "2012-04-01" @default.
- W2093669704 modified "2023-10-09" @default.
- W2093669704 title "Single-molecule studies of DNA transcription using atomic force microscopy" @default.
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- W2093669704 doi "https://doi.org/10.1088/1478-3975/9/2/021001" @default.
- W2093669704 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/22473059" @default.
- W2093669704 hasPublicationYear "2012" @default.
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