Pause sequences facilitate entry into long-lived paused states by reducing RNA polymerase transcription rates

Transcription elongation by RNA polymerase (RNAP) is interspersed with sequence-dependent pausing which is difficult to study due to spatiotemporal limitations of available methods. Here authors use a high-resolution optical tweezers assay and find that pause sites modify the dynamics of nearly all...

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Auteurs principaux: Ronen Gabizon, Antony Lee, Hanif Vahedian-Movahed, Richard H. Ebright, Carlos J. Bustamante
Format: article
Langue:EN
Publié: Nature Portfolio 2018
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Accès en ligne:https://doaj.org/article/4f02b5bce35947fabd2aa1bed87b067f
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Résumé:Transcription elongation by RNA polymerase (RNAP) is interspersed with sequence-dependent pausing which is difficult to study due to spatiotemporal limitations of available methods. Here authors use a high-resolution optical tweezers assay and find that pause sites modify the dynamics of nearly all RNAP molecules.