From Silence to Symphony: Transcriptional Repression and Recovery in Response to DNA Damage

Overview

Journal Transcription

Specialty Molecular Biology

Date 2024 Oct 1

PMID 39353089

Authors

Kamal Ajit

Monika Gullerova

Affiliations

Soon will be listed here.

Abstract

Genotoxic stress resulting from DNA damage is resolved through a signaling cascade known as the DNA Damage Response (DDR). The repair of damaged DNA is essential for cell survival, often requiring the DDR to attenuate other cellular processes such as the cell cycle, DNA replication, and transcription of genes not involved in DDR. The complex relationship between DDR and transcription has only recently been investigated. Transcription can facilitate the DDR in response to double-strand breaks (DSBs) and stimulate nucleotide excision repair (NER). However, transcription may need to be reduced to prevent potential interference with the repair machinery. In this review, we discuss various mechanisms that regulate transcription repression in response to different types of DNA damage, categorizing them by their range and duration of effect. Finally, we explore various models of transcription recovery following DNA damage-induced repression.

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