Single-Molecule Methods to Investigate Mechanisms of Transcription by RNA Polymerase of Mycobacterium tuberculosis
Lin, W.; Herrera-Asmat, O.; Tong, A. B.; Kong, T.; Bustamante, C.
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Single molecule methods have become prevalent tools in elucidating molecular processes across various life science fields over the past three decades, driving breakthroughs in understanding their underlying molecular mechanisms. In our study, we employed two single-molecule methods, Forster Resonance Energy Transfer (smFRET) and high-resolution optical tweezers, to investigate the transcription of Mycobacterium tuberculosis RNA polymerase (MtbRNAP) from initiation through to termination. We aim to provide a set of comprehensive biophysical tools to deepen our current understanding of MtbRNAP and its transcription factors. These experimental assays represent an important step towards unraveling the molecular dynamics and interactions that support transcription in Mycobacterium tuberculosis.
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