GO:0090329 regulation of DNA-templated DNA replication: Replication Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0090329 describes any process that modulates the rate, frequency, or extent of DNA-templated DNA replication, the synthesis of new DNA strands.
• Regulation occurs at initiation, elongation, and termination, and is coupled to chromatin assembly and histone modification.
• Histone post-translational modifications and histone chaperones are central regulators that link replication to chromatin state and cell fate.
• Telomere length regulation exemplifies how DNA end processing feeds back on replication and telomerase activity.
• Dysregulation of replication control contributes to cancer, chemotherapy resistance, and genome instability.
• CRISPR knockout, point mutation, knock-in, and overexpression models enable causal testing of replication regulators.
Description
Regulation of DNA-templated DNA replication (GO:0090329) is the biological process that modulates the rate, frequency, or extent of DNA-templated DNA replication, the process in which new strands of DNA are synthesized. This term captures the control layer that ensures replication occurs once per cell cycle, at the right time and place, and with sufficient fidelity to maintain genome integrity. Because replication must be coordinated with chromatin assembly, histone modification, and cell fate decisions, its regulation is central to development and disease. Researchers study GO:0090329 to understand how cells license origins, respond to replication stress, and couple DNA synthesis to epigenetic inheritance. The term is also relevant to cancer biology, where altered replication control can drive chemotherapy resistance and tumor progression. In this article, we synthesize authoritative QuickGO annotation and verified PubMed literature to outline the mechanisms, key genes, disease links, and experimental models for GO:0090329.
regulation of DNA-templated DNA replication At A Glance
| GO ID | GO:0090329 |
|---|---|
| GO term | regulation of DNA-templated DNA replication |
| Ontology | biological_process |
| Synonym | regulation of DNA-dependent DNA replication |
| Major function | Modulates the rate, frequency, or extent of DNA-templated DNA replication |
| Definition source | QuickGO definition |
| Related processes | Chromatin assembly, histone modification, cell cycle control, telomere maintenance |
| Disease relevance | Cancer, chemotherapy resistance, genome instability |
What Is GO:0090329?
GO:0090329, regulation of DNA-templated DNA replication, is defined as any process that modulates the rate, frequency, or extent of DNA-templated DNA replication, the process in which new strands of DNA are synthesized. It is a biological_process term with the synonym regulation of DNA-dependent DNA replication. In practice, this includes control of replication initiation, elongation, termination, and the coupling of replication to chromatin and cell cycle cues.
Why Is regulation of DNA-templated DNA replication Important in Cell Biology?
Regulation of DNA-templated DNA replication is essential because it ensures that the genome is duplicated exactly once per cell cycle and that replication is coordinated with chromatin assembly and cell fate. Disruption of this regulation can lead to replication stress, genome instability, and diseases such as cancer. Understanding GO:0090329 therefore provides mechanistic insight into how cells maintain genomic integrity and how perturbations contribute to disease.
• Ensures once-per-cell-cycle replication and genome stability.
• Couples DNA synthesis to chromatin assembly and histone modification.
• Controls replication timing and origin firing.
• Links telomere end processing to telomerase regulation.
• Impacts chemotherapy resistance in prostate cancer.
• Influences Polycomb repressive complex 2 function in oncology.
• Affects cell fate maintenance through histone chaperones.
• Provides targets for CRISPR-based functional studies.
• Relevant to viral replication strategies in model systems.
• Supports development of replication-targeted therapeutics.
What Happens During regulation of DNA-templated DNA replication?
Initiation control
In simple terms: The cell decides when and where to start copying DNA.
Initiation of DNA-templated DNA replication is regulated by licensing factors and cell cycle cues that determine origin firing. Histone modifications and chromatin state influence origin accessibility and timing. This control ensures that replication begins at the correct time and place, preventing re-replication.
Elongation and chromatin coupling
In simple terms: As DNA is copied, new chromatin must be assembled behind the fork.
During elongation, histone chaperones couple DNA synthesis to chromatin assembly, ensuring that newly synthesized DNA is packaged into nucleosomes with appropriate modifications. This coupling maintains epigenetic information and cell fate. Histone post-translational modifications serve as both cause and consequence of genome function during replication.
Termination and telomere regulation
In simple terms: Ends of chromosomes need special handling to finish replication correctly.
Termination of replication at chromosome ends involves DNA end processing that feeds back on telomerase regulation. This ensures telomere length homeostasis and prevents inappropriate elongation. The regulation of DNA-templated DNA replication at telomeres is therefore critical for genome stability.
Replication stress responses
In simple terms: When replication is slowed or blocked, cells respond to protect the genome.
Replication stress activates signaling pathways that modulate replication rate and fork stability. Proteins such as USP3 stabilize SMARCA5 to promote DNA damage response and chemotherapy resistance, linking replication regulation to treatment outcomes. These responses are essential for maintaining genome integrity under stress.
Epigenetic feedback
In simple terms: Chemical marks on histones can change how replication proceeds.
Histone lysine methylation modifiers controlled by protein stability influence replication-associated chromatin states. Polycomb repressive complex 2, which deposits repressive marks, is implicated in oncogenic regulation of replication and cell fate. Such epigenetic feedback loops are integral to GO:0090329.
Key Genes Involved in GO:0090329 regulation of DNA-templated DNA replication
The following genes and proteins are experimentally implicated in the regulation of DNA-templated DNA replication and its coupling to chromatin, cell cycle, and disease.
| Gene | Major Role | Research Relevance |
|---|---|---|
| SMARCA5 | Chromatin remodeling and DNA damage response | Stabilized by USP3; linked to chemotherapy resistance |
| USP3 | Deubiquitinase stabilizing SMARCA5 | Promotes DNA damage response in prostate cancer |
| Histone H3 | Histone modifications affecting replication | Post-translational modifications regulate genome function |
| Histone H4 | Histone modifications affecting replication | Post-translational modifications regulate genome function |
| EZH2 | Polycomb repressive complex 2 catalytic subunit | Oncogenic regulation of replication and cell fate |
| SUZ12 | Polycomb repressive complex 2 component | Oncogenic regulation of replication and cell fate |
| EED | Polycomb repressive complex 2 component | Oncogenic regulation of replication and cell fate |
| Telomerase | Telomere elongation | Regulated by DNA end processing feedback |
| Histone chaperones | Chromatin assembly during replication | Couple replication to transcription and cell fate |
| Lysine methyltransferases | Histone methylation | Controlled by protein stability; affect replication |
| Lysine demethylases | Histone demethylation | Controlled by protein stability; affect replication |
| SMARCA5 complex | Chromatin remodeling | Epigenetic interactome studies |
| DNA replication machinery | DNA synthesis | Target of regulation |
| Cell cycle kinases | Replication timing | Modulate initiation and elongation |
| Checkpoint proteins | Replication stress response | Protect fork stability |
| Viral replication proteins | Model replication regulation | Studied in yeast systems |
How Is regulation of DNA-templated DNA replication Regulated?
Regulation of DNA-templated DNA replication is controlled by cell cycle cues, histone modifications, and protein stability networks. Histone post-translational modifications act as both cause and consequence of genome function during replication. Histone lysine methylation modifiers are themselves regulated by protein stability, adding a layer of control. Polycomb repressive complex 2 contributes to oncogenic regulation of replication-associated chromatin states. Telomere length regulation couples DNA end processing to feedback control of telomerase. Additionally, deubiquitinases such as USP3 stabilize chromatin remodelers to modulate DNA damage response and chemotherapy resistance.
regulation of DNA-templated DNA replication and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| USP3 | Prostate cancer chemotherapy resistance | Knockout and overexpression in prostate cancer cell lines |
| SMARCA5 | DNA damage response and chemotherapy resistance | Point mutation and knock-in models |
| EZH2 | Oncogenic regulation via Polycomb repressive complex 2 | Knockout and overexpression in cancer models |
| Telomerase | Telomere length disorders | Knock-in and point mutation models |
| Histone chaperones | Cell fate maintenance and epigenetic disease | Knockout and tagged knock-in models |
Cancer and chemotherapy resistance
Dysregulation of DNA-templated DNA replication control contributes to cancer progression and treatment resistance. USP3 promotes DNA damage response and chemotherapy resistance by stabilizing and deubiquitinating SMARCA5 in prostate cancer. Polycomb repressive complex 2, a key epigenetic regulator, is implicated in multiple oncology contexts. These findings link GO:0090329 to tumor biology and therapeutic response.
Genome instability and telomere disorders
Defects in replication regulation at chromosome ends can lead to telomere dysfunction. Telomere length regulation couples DNA end processing to feedback regulation of telomerase, and its disruption affects genome stability. Such defects are relevant to aging and cancer predisposition.
Epigenetic diseases
Altered histone modification and chromatin assembly during replication can affect cell fate and contribute to disease. Histone chaperones coupled to DNA replication control divergent chromatin elements to maintain cell fate. Histone post-translational modifications are central to genome function and their dysregulation is linked to disease.
From regulation of DNA-templated DNA replication-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is a candidate gene required for replication regulation? | CRISPR knockout cell model |
| Does a specific mutation alter replication control? | CRISPR point mutation model |
| How does a disease-associated variant affect replication? | CRISPR knock-in model |
| Where and when is a replication regulator expressed? | Tagged knock-in model |
| Does overexpression of a regulator drive chemotherapy resistance? | CRISPR overexpression model |
| Which genes modulate replication under stress? | CRISPR library screening |
How to Study the regulation of DNA-templated DNA replication Process
| Method | What It Measures | Typical Application |
|---|---|---|
| CRISPR knockout screening | Gene requirement for replication regulation | Identify essential regulators |
| CRISPR point mutation | Effect of specific amino acid changes | Test catalytic or interaction domains |
| CRISPR knock-in | Disease variant effects | Model patient-associated mutations |
| Tagged knock-in | Protein localization and interactions | Study chromatin association |
| Overexpression | Gain-of-function effects | Model chemotherapy resistance |
| Photo-cross-linking | Epigenetic interactome | Map chromatin protein networks |
| Telomere length assay | Telomere homeostasis | Study end processing feedback |
Genome-wide CRISPR screening
CRISPR library screening enables unbiased identification of genes that regulate DNA-templated DNA replication. This approach can reveal modifiers of replication stress responses and chemotherapy resistance. Bioinformatics analysis of screening data prioritizes candidate regulators for validation.
Epigenetic interactome mapping
Photo-cross-linking methods delineate epigenetic interactomes, identifying proteins that associate with chromatin during replication. These techniques help define how histone modifications and chromatin remodelers regulate replication.
Histone modification profiling
Antibody-based and mass spectrometry approaches measure histone post-translational modifications that influence replication. Such profiling reveals cause-and-consequence relationships between chromatin state and replication control.
Telomere length assays
Telomere length measurement and telomerase activity assays assess DNA end processing feedback. These methods are used to study replication regulation at chromosome ends.
How CRISPR Can Be Used to Study GO:0090329 regulation of DNA-templated DNA replication
Knockout
CRISPR knockout models delete candidate genes to test their requirement for regulation of DNA-templated DNA replication. For example, knocking out USP3 can reveal its role in DNA damage response and chemotherapy resistance. Knockout of Polycomb components can assess their impact on replication-associated chromatin states.
Point Mutation
CRISPR point mutation introduces specific amino acid substitutions to dissect catalytic or interaction domains. This is useful for testing whether deubiquitinase activity of USP3 is required for stabilizing SMARCA5. Point mutations can also model disease-associated variants in replication regulators.
Knock-in
CRISPR knock-in inserts disease-relevant variants or tags to study replication regulation in a physiological context. Knock-in of telomerase mutations can model telomere length disorders. Tagged knock-in of histone chaperones enables tracking their role in chromatin assembly during replication.
Overexpression
CRISPR overexpression models increase gene dosage to test gain-of-function effects. Overexpressing USP3 can drive chemotherapy resistance in prostate cancer models. Overexpression of Polycomb components can promote oncogenic replication phenotypes.
How EDITGENE Supports regulation of DNA-templated DNA replication Research
Researchers studying regulation of DNA-templated DNA replication-related genes often need to determine whether a candidate gene is causally involved in replication control, chromatin coupling, or disease-associated phenotypes. EDITGENE provides CRISPR-based cell model services to enable such causal experiments.
Contact EDITGENE today to design your custom CRISPR model for regulation of DNA-templated DNA replication research.
Frequently Asked Questions About regulation of DNA-templated DNA replication
What is GO:0090329?
GO:0090329 is the Gene Ontology term for regulation of DNA-templated DNA replication, defined as any process that modulates the rate, frequency, or extent of DNA-templated DNA replication.
What genes are involved in regulation of DNA-templated DNA replication?
Genes such as USP3, SMARCA5, EZH2, SUZ12, EED, telomerase, and histone chaperones are implicated in this regulation.
How is DNA-templated DNA replication regulated?
It is regulated by cell cycle cues, histone modifications, chromatin assembly, and protein stability networks.
Why is regulation of DNA-templated DNA replication important?
It ensures once-per-cell-cycle replication and genome stability, and its dysregulation contributes to cancer and chemotherapy resistance.
What diseases are linked to GO:0090329?
Cancer, chemotherapy resistance, telomere disorders, and epigenetic diseases are linked to dysregulation of this process.
What experimental models study regulation of DNA-templated DNA replication?
CRISPR knockout, point mutation, knock-in, overexpression, and library screening models are commonly used.
How does USP3 regulate DNA replication?
USP3 stabilizes and deubiquitinates SMARCA5 to promote DNA damage response and chemotherapy resistance.
What is the role of histone modifications in replication regulation?
Histone post-translational modifications are both cause and consequence of genome function during replication.
How do telomeres relate to DNA replication regulation?
Telomere length regulation couples DNA end processing to feedback regulation of telomerase.
What methods study GO:0090329?
CRISPR screening, epigenetic interactome mapping, histone modification profiling, and telomere length assays are used.
Conclusion
GO:0090329, regulation of DNA-templated DNA replication, is a central biological process that controls when, where, and how DNA is copied. Its mechanisms involve initiation control, chromatin coupling, termination, stress responses, and epigenetic feedback. Dysregulation of this process is linked to cancer, chemotherapy resistance, and genome instability. CRISPR-based models and bioinformatics approaches provide powerful tools to dissect these mechanisms and identify therapeutic targets.
References
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- 2. Li S et al.. 2024. USP3 promotes DNA damage response and chemotherapy resistance through stabilizing and deubiquitinating SMARCA5 in prostate cancer.. Cell Death Dis 15(11):790 PMID: 39500888
- 3. Zhang Z et al.. 2022. Photo-Cross-Linking To Delineate Epigenetic Interactome.. J Am Chem Soc 144(46):20979-20997 PMID: 36346429
- 4. Shore D et al.. 2009. Telomere length regulation: coupling DNA end processing to feedback regulation of telomerase.. EMBO J 28(16):2309-22 PMID: 19629031
- 5. Guo Y et al.. 2023. Polycomb Repressive Complex 2 in Oncology.. Cancer Treat Res 190:273-320 PMID: 38113005
- 6. Park S et al.. 2024. Histone lysine methylation modifiers controlled by protein stability.. Exp Mol Med 56(10):2127-2144 PMID: 39394462
- 7. Franklin R et al.. 2025. Histone chaperones coupled to DNA replication and transcription control divergent chromatin elements to maintain cell fate.. Genes Dev 39(9-10):652-675 PMID: 40240143
- 8. Price BD et al.. 2002. DNA-directed expression of an animal virus RNA for replication-dependent colony formation in Saccharomyces cerevisiae.. J Virol 76(4):1610-6 PMID: 11799155
