GO:2000573 positive regulation of DNA biosynthetic process: Regulation, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:2000573 (positive regulation of DNA biosynthetic process) describes any process that activates or increases the frequency, rate or extent of DNA biosynthesis, including DNA replication and repair-associated DNA synthesis.
• The term is a biological_process ontology node and is mechanistically linked to transcription factor activity, chromatin regulation, and cell-cycle control.
• Key regulators include transcription factors such as CREB, RUNX2, ATF3, and viral proteins that modulate DNA synthesis indirectly through gene expression.
• Dysregulation of positive regulation of DNA biosynthetic process contributes to cancer progression, viral pathogenesis, and metabolic stress responses.
• CRISPR-based models (knockout, point mutation, knock-in, overexpression) enable causal dissection of genes that positively regulate DNA biosynthesis.
• Understanding this GO term supports target discovery in oncology, virology, and regenerative medicine by linking DNA synthesis control to disease phenotypes.
Description
GO:2000573, positive regulation of DNA biosynthetic process, is a Gene Ontology biological_process term defined as any process that activates or increases the frequency, rate or extent of DNA biosynthetic process. DNA biosynthesis encompasses the enzymatic assembly of DNA molecules, including replication and repair-associated synthesis, and its positive regulation is essential for cell proliferation, genome maintenance, and stress responses. Researchers study this term to understand how cells coordinate DNA synthesis with growth signals, metabolic state, and environmental cues. The regulation of DNA biosynthetic processes is mediated by transcription factors, signaling pathways, and chromatin-associated proteins that respond to genotoxic stress, hormones, and viral infection. For example, CREB DNA binding activity couples genotoxic stress response and metabolism, thereby influencing DNA synthesis-related gene programs. Similarly, vitamin D3 prohormone activity regulates RUNX2 transcription factor-DNA interactions and cell proliferation, linking hormonal signaling to DNA biosynthetic capacity. These examples illustrate that positive regulation of DNA biosynthetic process is not a single molecular event but a convergence point for diverse regulatory inputs. In disease contexts, aberrant activation of DNA biosynthesis supports cancer progression and viral replication, making this GO term a focal point for therapeutic target discovery. ATF3 silencing in thyroid cancer promotes progression by regulating prognostic genes in MAPK and PI3K/AKT pathways, which are known to influence DNA synthesis and cell cycle entry. Hepatitis C virus core protein transactivates IGF-II gene transcription through Egr1 and Sp1 sites, providing a viral mechanism that can indirectly enhance DNA biosynthetic processes. Thus, GO:2000573 provides a conceptual framework for integrating signaling, transcription, and DNA metabolism in health and disease.
positive regulation of DNA biosynthetic process At A Glance
| GO ID | GO:2000573 |
|---|---|
| GO term | positive regulation of DNA biosynthetic process |
| Ontology | biological_process |
| Definition | Any process that activates or increases the frequency, rate or extent of DNA biosynthetic process. |
| Synonym | positive regulation of DNA anabolism; positive regulation of DNA biosynthesis; positive regulation of DNA formation; positive regulation of DNA synthesis |
| Major function | Upregulation of DNA synthesis, including replication and repair-associated DNA biosynthesis, through signaling and transcriptional control. |
| Related processes | DNA replication, DNA repair, cell cycle progression, genotoxic stress response, metabolic regulation of DNA synthesis. |
| Key regulators | Transcription factors (CREB, RUNX2, ATF3, Egr1, Sp1), viral proteins (HCV core), and signaling pathways (MAPK, PI3K/AKT). |
| Disease relevance | Cancer progression, viral pathogenesis, metabolic stress disorders, and hormonal signaling disorders. |
What Is GO:2000573?
In plain terms, GO:2000573 describes any cellular process that turns up the volume on DNA building. According to QuickGO, it is defined as any process that activates or increases the frequency, rate or extent of DNA biosynthetic process. This includes positive regulation of DNA anabolism, DNA biosynthesis, DNA formation, and DNA synthesis. The term is a biological_process node and does not itself encode a molecular function or cellular component; instead, it captures the regulatory logic that controls how much DNA is made and how often DNA synthesis occurs. It is distinct from the DNA biosynthetic process itself (GO:0071897) because it specifically refers to the upstream or concurrent events that enhance DNA synthesis, such as transcription factor activation, signaling cascade engagement, or chromatin remodeling that promotes replication and repair synthesis.
Why Is positive regulation of DNA biosynthetic process Important in Cell Biology?
Positive regulation of DNA biosynthetic process is central to understanding how cells decide when to replicate their genome, how they respond to DNA damage, and how these decisions go awry in disease. Because DNA synthesis is a prerequisite for cell division, its positive regulation is tightly linked to proliferation, tissue regeneration, and tumor growth. At the same time, viruses and cancer cells hijack these regulatory circuits to sustain their own replication and survival. Studying GO:2000573 therefore provides a mechanistic entry point for identifying therapeutic targets that selectively inhibit pathological DNA synthesis while preserving normal genome maintenance.
• Controls cell proliferation by gating entry into S phase and sustaining DNA replication.
• Coordinates DNA repair-associated synthesis with genotoxic stress responses.
• Integrates metabolic signals with DNA biosynthetic capacity through CREB-dependent transcription.
• Mediates hormonal regulation of DNA synthesis via vitamin D3 and RUNX2 interactions.
• Is exploited by viruses such as hepatitis C virus to enhance host DNA synthesis and gene expression.
• Contributes to cancer progression when tumor suppressors like ATF3 are silenced.
• Provides a conceptual framework for target discovery in oncology and antiviral therapy.
• Supports regenerative medicine by informing how to boost DNA synthesis in stem cells.
• Links innate immune DNA sensing to downstream DNA biosynthetic programs.
• Enables CRISPR-based functional genomics of DNA synthesis regulators.
What Happens During positive regulation of DNA biosynthetic process?
Signal reception and transcription factor activation
In simple terms: The cell receives a signal that tells it to make more DNA.
Positive regulation of DNA biosynthetic process begins when extracellular or intracellular signals activate transcription factors that control DNA synthesis genes. CREB DNA binding activity is tunable and couples genotoxic stress response and metabolism, thereby influencing DNA biosynthetic programs. Vitamin D3 prohormone activity regulates RUNX2 transcription factor-DNA interactions and cell proliferation, linking hormonal signals to DNA synthesis. In viral infection, hepatitis C virus core protein transactivates IGF-II gene transcription through Egr1 and Sp1 sites, providing a viral mechanism that can indirectly enhance DNA biosynthetic processes. These examples show that diverse signals converge on transcription factors to initiate positive regulation.
Chromatin remodeling and promoter accessibility
In simple terms: The DNA packaging is loosened so that genes for DNA building can be read.
For transcription factors to activate DNA synthesis genes, chromatin must be accessible. ATF3 methylation-mediated silencing in thyroid cancer alters the expression of prognostic genes in MAPK and PI3K/AKT pathways, which are known to influence DNA synthesis and cell cycle entry. This indicates that epigenetic regulation of transcription factor availability is a key step in positive regulation of DNA biosynthetic process. Similarly, RUNX2-DNA interactions are modulated by vitamin D3, suggesting that chromatin-level regulation of transcription factor binding contributes to DNA biosynthetic control.
Activation of DNA synthesis machinery
In simple terms: The actual DNA-building enzymes are switched on.
Once transcription factors are active, they drive expression of genes encoding DNA polymerases, replication factors, and repair enzymes. Physiological regulation of eukaryotic topoisomerase II is critical for DNA replication and chromosome segregation, and its activity is required for DNA biosynthetic processes. CREB-dependent transcription can also regulate metabolic genes that supply nucleotides and energy for DNA synthesis. Thus, positive regulation of DNA biosynthetic process includes the coordinated upregulation of the enzymatic machinery that carries out DNA synthesis.
Integration with cell cycle and stress responses
In simple terms: The cell checks that conditions are right before making DNA.
Positive regulation of DNA biosynthetic process is integrated with cell cycle checkpoints and stress responses. Genotoxic stress can activate CREB, which then modulates DNA binding activity and metabolic gene expression to support DNA repair-associated synthesis. DNA-sensing molecules such as DAI (DLM-1/ZBP1) regulate innate immune responses and can influence downstream DNA biosynthetic programs. These integration points ensure that DNA synthesis occurs only when appropriate and that it is coupled to repair and immune signaling.
Feedback and termination
In simple terms: The cell has ways to stop making DNA when it is no longer needed.
Although GO:2000573 focuses on positive regulation, this process is balanced by negative feedback mechanisms. Physiological regulation of topoisomerase II includes downregulation after DNA synthesis is complete. ATF3 silencing removes a brake on MAPK and PI3K/AKT pathways, leading to sustained DNA biosynthetic activity in thyroid cancer. These examples highlight that positive regulation is normally transient and context-dependent, and its dysregulation can contribute to disease.
Key Genes Involved in GO:2000573 positive regulation of DNA biosynthetic process
The following genes and proteins are experimentally implicated in positive regulation of DNA biosynthetic process through transcriptional, signaling, or enzymatic mechanisms.
| Gene | Major Role | Research Relevance |
|---|---|---|
| CREB1 | Transcription factor that couples genotoxic stress response and metabolism to DNA synthesis | Tunable regulation of DNA binding activity; target for metabolic and stress studies |
| RUNX2 | Transcription factor regulating cell proliferation and DNA interactions | Modulated by vitamin D3; links hormonal signaling to DNA synthesis |
| ATF3 | Transcription factor whose silencing promotes cancer progression via MAPK and PI3K/AKT pathways | Methylation-mediated silencing in thyroid cancer; prognostic marker |
| Egr1 | Transcription factor that cooperates with Sp1 to activate IGF-II transcription | Mediates HCV core protein effects on DNA synthesis-related gene expression |
| Sp1 | Transcription factor that cooperates with Egr1 at IGF-II promoter | Viral transactivation of DNA biosynthetic programs |
| TOP2A | Topoisomerase II enzyme required for DNA replication and chromosome segregation | Physiological regulation of topoisomerase II is critical for DNA biosynthesis |
| IGF2 | Growth factor gene transactivated by HCV core protein | Links viral infection to DNA synthesis and proliferation |
| DAI (DLM-1/ZBP1) | DNA-sensing molecule regulating innate immune responses | Connects DNA sensing to downstream DNA biosynthetic programs |
| IRF10 | Fish interferon regulatory factor with DNA-bound crystal structure | Model for IFN regulation and DNA-binding determinants |
| IRF11 | Fish interferon regulatory factor with DNA-bound crystal structure | Model for IFN regulation and DNA-binding determinants |
| MAPK pathway genes | Signaling cascade influencing DNA synthesis and cell cycle | Dysregulated upon ATF3 silencing in thyroid cancer |
| PI3K/AKT pathway genes | Signaling cascade promoting cell growth and DNA synthesis | Dysregulated upon ATF3 silencing in thyroid cancer |
| Iron-sulfur cluster biogenesis genes | Support DNA replication and repair enzymes | Unique regulation in Gram-positive bacteria; model for cofactor supply |
| HCV core protein | Viral protein transactivating host transcription | Drives IGF-II expression and DNA biosynthetic programs |
| Vitamin D receptor | Nuclear receptor mediating vitamin D3 effects on RUNX2 | Regulates DNA interactions and cell proliferation |
| Topoisomerase II regulatory factors | Modulate TOP2A activity during cell cycle | Physiological regulation of DNA biosynthesis |
How Is positive regulation of DNA biosynthetic process Regulated?
Positive regulation of DNA biosynthetic process is controlled at multiple levels. Transcription factor activity is modulated by phosphorylation and metabolic signals, as shown for CREB, whose DNA binding activity is tunable and couples genotoxic stress response and metabolism. Hormonal signals, such as vitamin D3, regulate RUNX2 transcription factor-DNA interactions and cell proliferation, thereby influencing DNA synthesis. Epigenetic silencing of ATF3 by methylation removes a brake on MAPK and PI3K/AKT pathways, leading to enhanced DNA biosynthetic activity in thyroid cancer. Viral proteins such as HCV core can transactivate host genes like IGF-II through Egr1 and Sp1 sites, providing an exogenous layer of regulation. Additionally, physiological regulation of topoisomerase II ensures that DNA synthesis is coordinated with cell cycle progression. These mechanisms collectively determine the frequency, rate, and extent of DNA biosynthesis.
positive regulation of DNA biosynthetic process and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| ATF3 | Thyroid cancer progression via MAPK and PI3K/AKT pathways | Knockout or overexpression in thyroid cancer cell lines |
| HCV core | Hepatitis C viral pathogenesis and IGF-II transactivation | Knock-in or overexpression in hepatoma cell lines |
| CREB1 | Metabolic stress and genotoxic response | Point mutation or knockout in mammalian cells |
| RUNX2 | Hormonal regulation of cell proliferation | Knockout or point mutation in osteoblast models |
| TOP2A | DNA replication stress and chromosome segregation | Knockout or tagged knock-in in cancer cell lines |
Cancer progression and thyroid cancer
Methylation-mediated silencing of ATF3 promotes thyroid cancer progression by regulating prognostic genes in the MAPK and PI3K/AKT pathways. These pathways are known to drive DNA synthesis and cell cycle entry, suggesting that loss of ATF3 enhances positive regulation of DNA biosynthetic process to support tumor growth. This makes ATF3 and its downstream effectors potential targets for therapeutic intervention in thyroid cancer.
Viral pathogenesis and hepatitis C
Hepatitis C virus core protein transactivates insulin-like growth factor II gene transcription through acting concurrently on Egr1 and Sp1 sites. This viral mechanism can indirectly enhance DNA biosynthetic processes by increasing growth factor signaling, thereby supporting viral replication and host cell proliferation. Understanding this axis may inform antiviral strategies that target DNA synthesis-related pathways.
Metabolic stress and genotoxic response
CREB DNA binding activity couples genotoxic stress response and metabolism, linking DNA biosynthetic regulation to cellular energy status. Dysregulation of this coupling may contribute to metabolic disorders and cancer, where DNA synthesis is uncoupled from normal metabolic constraints. This highlights the importance of studying positive regulation of DNA biosynthetic process in the context of metabolic disease.
Innate immunity and DNA sensing
DNA-sensing molecules such as DAI (DLM-1/ZBP1) regulate innate immune responses and can influence downstream DNA biosynthetic programs. Aberrant activation of these pathways may contribute to autoimmune and inflammatory diseases, where DNA synthesis and immune signaling intersect. This provides a rationale for investigating GO:2000573 in immunology research.
From positive regulation of DNA biosynthetic process-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is ATF3 causally involved in thyroid cancer DNA synthesis? | ATF3 knockout and overexpression in thyroid cancer cell lines |
| Does HCV core protein enhance DNA biosynthetic process via IGF-II? | HCV core knock-in or overexpression in hepatoma cells |
| How does CREB DNA binding activity affect DNA synthesis under stress? | CREB1 point mutation or knockout in mammalian cells |
| Does RUNX2 mediate vitamin D3 effects on DNA synthesis? | RUNX2 knockout or point mutation in osteoblast models |
| What is the role of topoisomerase II in DNA biosynthesis? | TOP2A knockout or tagged knock-in in cancer cell lines |
| How does DAI DNA sensing influence DNA biosynthetic programs? | DAI knockout or overexpression in immune cells |
How to Study the positive regulation of DNA biosynthetic process Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Transcriptome-wide gene expression | Identify DNA synthesis genes regulated by ATF3, CREB, or RUNX2 |
| BrdU/EdU incorporation | Rate of DNA synthesis | Quantify positive regulation of DNA biosynthetic process |
| ChIP-seq | Transcription factor binding to DNA | Map CREB, RUNX2, Egr1, Sp1 binding sites |
| EMSA | DNA-protein interaction in vitro | Validate transcription factor-DNA binding |
| CRISPR knockout | Loss-of-function phenotype | Test causal role of candidate genes |
| CRISPR point mutation | Specific amino acid function | Dissect DNA binding or catalytic activity |
| CRISPR knock-in | Tagged or reporter gene expression | Track DNA synthesis regulators in live cells |
| CRISPR overexpression | Gain-of-function phenotype | Test sufficiency of candidate genes |
Transcriptional profiling of DNA synthesis genes
RNA-seq and qPCR can measure expression of DNA synthesis genes following manipulation of candidate regulators such as ATF3, CREB, or RUNX2. These methods reveal whether a gene positively regulates DNA biosynthetic process at the transcriptional level.
DNA synthesis assays
BrdU or EdU incorporation assays directly measure DNA synthesis rates in cells. These assays can be used to test whether knockout or overexpression of candidate genes alters the frequency or extent of DNA biosynthesis.
Chromatin immunoprecipitation and DNA binding assays
ChIP-seq and EMSA can determine whether transcription factors such as CREB, RUNX2, Egr1, and Sp1 bind to promoters of DNA synthesis genes under specific conditions. These methods link transcription factor activity to positive regulation of DNA biosynthetic process.
CRISPR-based functional genomics
CRISPR knockout, point mutation, knock-in, and overexpression models enable causal testing of candidate genes in DNA biosynthesis regulation. Library screening can identify novel regulators of GO:2000573 across the genome.
How CRISPR Can Be Used to Study GO:2000573 positive regulation of DNA biosynthetic process
Knockout
CRISPR knockout of candidate genes such as ATF3, CREB1, or RUNX2 can determine whether they are required for positive regulation of DNA biosynthetic process. Loss-of-function models reveal dependencies and compensatory mechanisms in DNA synthesis control.
Point Mutation
Point mutations can be introduced into transcription factor DNA-binding domains or catalytic residues to dissect specific molecular functions. For example, mutating CREB DNA binding activity can reveal how genotoxic stress response couples to DNA synthesis. Similarly, RUNX2 point mutations can test vitamin D3-dependent DNA interactions.
Knock-in
Knock-in of tagged versions of TOP2A or other DNA synthesis enzymes allows live-cell imaging and biochemical purification. This approach can track dynamic regulation of DNA biosynthetic process in real time.
Overexpression
Overexpression of HCV core protein or ATF3 can test sufficiency for enhancing DNA biosynthetic process. These models are useful for identifying downstream effectors and potential therapeutic targets.
How EDITGENE Supports positive regulation of DNA biosynthetic process Research
Researchers studying positive regulation of DNA biosynthetic process-related genes often need to determine whether a candidate gene is causally involved in DNA synthesis control or merely correlated with it. EDITGENE provides CRISPR-based cell model services that enable precise genetic manipulation to answer these questions.
Contact EDITGENE today to design your custom CRISPR model for positive regulation of DNA biosynthetic process research.
Frequently Asked Questions About positive regulation of DNA biosynthetic process
What is GO:2000573 positive regulation of DNA biosynthetic process?
GO:2000573 is a Gene Ontology biological_process term defined as any process that activates or increases the frequency, rate or extent of DNA biosynthetic process.
What genes are involved in positive regulation of DNA biosynthetic process?
Key genes include CREB1, RUNX2, ATF3, Egr1, Sp1, TOP2A, and viral proteins such as HCV core, which regulate DNA synthesis through transcriptional and signaling mechanisms.
How is positive regulation of DNA biosynthetic process regulated?
It is regulated by transcription factors, hormonal signals, epigenetic modifications, and viral proteins that converge on DNA synthesis gene expression and enzymatic activity.
What diseases are associated with positive regulation of DNA biosynthetic process?
Dysregulation is associated with thyroid cancer, hepatitis C pathogenesis, metabolic stress disorders, and innate immune disorders.
How can CRISPR be used to study positive regulation of DNA biosynthetic process?
CRISPR knockout, point mutation, knock-in, and overexpression models enable causal testing of candidate genes in DNA synthesis regulation.
What methods measure positive regulation of DNA biosynthetic process?
BrdU/EdU incorporation, RNA-seq, ChIP-seq, and CRISPR screens are commonly used to measure DNA synthesis rates and identify regulators.
What is the role of CREB in DNA biosynthetic process?
CREB DNA binding activity couples genotoxic stress response and metabolism, thereby influencing DNA biosynthetic programs.
How does vitamin D3 affect DNA synthesis regulation?
Vitamin D3 prohormone activity regulates RUNX2 transcription factor-DNA interactions and cell proliferation, linking hormonal signaling to DNA synthesis.
What is the link between ATF3 and thyroid cancer?
Methylation-mediated silencing of ATF3 promotes thyroid cancer progression by regulating prognostic genes in MAPK and PI3K/AKT pathways.
How does hepatitis C virus affect DNA biosynthetic process?
HCV core protein transactivates IGF-II gene transcription through Egr1 and Sp1 sites, indirectly enhancing DNA biosynthetic processes.
Conclusion
GO:2000573 positive regulation of DNA biosynthetic process is a critical biological_process node that integrates signaling, transcription, and enzymatic control of DNA synthesis. Its dysregulation contributes to cancer, viral pathogenesis, and metabolic disorders, making it a high-value target for mechanistic and therapeutic research. CRISPR-based cell models and functional genomics provide powerful tools to dissect the causal roles of individual genes in this process.
References
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- 2. Wang ZX et al.. 2024. Crystal Structures of DNA-bound Fish IRF10 and IRF11 Reveal the Determinants of IFN Regulation.. J Immunol 213(5):743-752 PMID: 39058321
- 3. Lee S et al.. 2001. Hepatitis C virus core protein transactivates insulin-like growth factor II gene transcription through acting concurrently on Egr1 and Sp1 sites.. Virology 283(2):167-77 PMID: 11336542
- 4. Isaacs RJ et al.. 1998. Physiological regulation of eukaryotic topoisomerase II.. Biochim Biophys Acta 1400(1-3):121-37 PMID: 9748535
- 5. Wang Z et al.. 2008. Regulation of innate immune responses by DAI (DLM-1/ZBP1) and other DNA-sensing molecules.. Proc Natl Acad Sci U S A 105(14):5477-82 PMID: 18375758
- 6. Kim SH et al.. 2016. Tunable regulation of CREB DNA binding activity couples genotoxic stress response and metabolism.. Nucleic Acids Res 44(20):9667-9680 PMID: 27431323
- 7. Underwood KF et al.. 2012. Regulation of RUNX2 transcription factor-DNA interactions and cell proliferation by vitamin D3 (cholecalciferol) prohormone activity.. J Bone Miner Res 27(4):913-25 PMID: 22189971
- 8. Santos JA et al.. 2014. The unique regulation of iron-sulfur cluster biogenesis in a Gram-positive bacterium.. Proc Natl Acad Sci U S A 111(22):E2251-60 PMID: 24847070
