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Updated: Jul 8, 2025
10:59
Visualizing and Quantifying Endonuclease-Based Site-Specific DNA Damage
Published on: August 21, 2021
3.6K
DNA damage and transcription stress
Larissa Milano1, Amit Gautam1, Keith W Caldecott1
1Genome Damage and Stability Centre, University of Sussex, Falmer, Brighton BN1 9RQ, UK.
Molecular Cell
|December 16, 2023
Summary
DNA damage and transcription are closely connected, with each process influencing the other. Aberrant transcription can lead to DNA breaks, potentially causing genome instability and cell death.
Area of Science:
- Molecular Biology
- Genetics
- Cell Biology
Background:
- DNA damage and transcription are intrinsically linked processes within the cell.
- Numerous DNA lesions occur daily, potentially hindering transcription.
- Gene expression can also generate DNA damage, creating a complex interplay.
Purpose of the Study:
- To elucidate the bidirectional relationship between genome integrity and transcriptional activity.
- To understand how DNA damage impacts gene expression and vice versa.
- To explore the mechanisms by which transcription-related processes can lead to DNA lesions.
Main Methods:
- Review of current literature on DNA damage response pathways.
- Analysis of molecular mechanisms linking transcription and DNA repair.
- Examination of cellular processes that regulate transcription and DNA integrity.
Main Results:
- DNA lesions frequently impede transcription, requiring robust repair mechanisms.
- Transcription can be a source of endogenous DNA damage through various pathways.
- Errors in transcription-related enzyme activity can result in DNA breaks.
Conclusions:
- The intricate crosstalk between DNA damage and transcription is crucial for maintaining genome stability.
- Dysregulation of this interplay can lead to genomic instability and cell death.
- Further research into these mechanisms is vital for understanding various diseases.
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