Molecular BiologybioRxivPreprint
Control of RNA polymerase II promoter-proximal pausing by DNA supercoiling
Andrés Herrero-Ruíz, Pedro Manuel Martínez‐García, J. Terrón-Bautista…·Felipe Cortés‐Ledesma
The paper shows that topoisomerase IIa removes negative DNA supercoiling at promoters, repressing transcription by enforcing Pol II pausing, and reveals this as a novel regulatory mechanism for gene expression.
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