GO:0006355 regulation of DNA-templated transcription: Transcriptional Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0006355 (regulation of DNA-templated transcription) describes any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
• It is a biological_process term that encompasses both activation and repression of transcription, integrating chromatin state, transcription factor binding, and coregulator recruitment.
• Histone post-translational modifications are central cause-and-consequence players in transcriptional regulation, altering chromatin accessibility and recruiting reader proteins.
• Sequence-specific DNA-binding factors recruit coregulator complexes that bridge to RNA polymerase II and shape gene-specific transcriptional output.
• Dysregulation of DNA-templated transcription underlies cancer, immune dysfunction, and developmental disorders, making it a major therapeutic target.
• CRISPR-based knockout, point mutation, knock-in, and overexpression models enable causal dissection of transcriptional regulators in disease contexts.
Description
Regulation of DNA-templated transcription (GO:0006355) is the biological process that controls when, where, and how much RNA is synthesized from a DNA template. It is one of the most fundamental processes in biology because it determines cell identity, responses to environmental signals, and developmental programs. The QuickGO definition states that this term covers any process that modulates the frequency, rate or extent of cellular DNA-templated transcription. This broad definition includes both positive and negative regulation, from chromatin remodeling and histone modification to transcription factor recruitment and coregulator assembly. Researchers study GO:0006355 because transcriptional misregulation is a hallmark of many human diseases, including cancer, where epigenetic and transcriptional changes reshape the tumor microenvironment. The process is also central to normal physiology, as sequence-specific DNA-binding factors integrate signaling inputs and recruit coregulator complexes to specific genomic loci. Understanding how these components cooperate requires experimental models that can perturb individual regulators and measure transcriptional consequences. Recent advances in epigenetics and chromatin biology have clarified that transcriptional regulation is not a single event but a dynamic interplay between DNA sequence, histone modifications, nucleosome positioning, and nuclear architecture. This article summarizes the ontology, mechanisms, key genes, disease links, and research methods relevant to GO:0006355, with a focus on how CRISPR-based models can be used to interrogate this process.
regulation of DNA-templated transcription At A Glance
| GO ID | GO:0006355 |
|---|---|
| GO term | regulation of DNA-templated transcription |
| Ontology | biological_process |
| Definition | Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription. |
| Synonyms | regulation of cellular transcription, DNA-dependent; regulation of gene-specific transcription; regulation of transcription, DNA-dependent; regulation of transcription, DNA-templated; transcriptional control |
| Major function | Controls gene expression by modulating transcription initiation, elongation, and chromatin state. |
| Key molecular players | Sequence-specific DNA-binding factors, coregulator complexes, histone-modifying enzymes, chromatin remodelers. |
| Related processes | Histone post-translational modifications, nucleosome dynamics, chromatin motion. |
| Disease relevance | Cancer, immune disorders, developmental abnormalities. |
What Is GO:0006355?
In simple terms, GO:0006355 describes all the ways a cell turns transcription up or down. The official QuickGO definition is: any process that modulates the frequency, rate or extent of cellular DNA-templated transcription. This includes mechanisms that activate or repress RNA synthesis from a DNA template, such as transcription factor binding, coregulator recruitment, chromatin modification, and changes in chromatin accessibility. The term is a biological_process and is not restricted to a single molecular mechanism; instead, it groups diverse regulatory events that collectively control gene expression.
Why Is regulation of DNA-templated transcription Important in Cell Biology?
GO:0006355 is important because transcriptional regulation determines essentially every cell fate decision and physiological response, and its disruption is a common driver of human disease. Epigenetic and transcriptional changes in the tumor microenvironment can promote immune evasion and therapy resistance, making this process a major focus for therapeutic targeting. In addition, proteins that regulate transcription, such as chromatin remodelers and deubiquitinases, are increasingly recognized as actionable nodes in cancer and other diseases.
• Controls cell identity and differentiation by determining which genes are expressed in each cell type.
• Integrates developmental and environmental signals through sequence-specific DNA-binding factors.
• Histone post-translational modifications serve as both causes and consequences of transcriptional regulation.
• Histone serotonylation can enhance TFIID binding to H3K4me3, linking metabolism to transcription.
• Dysregulation contributes to cancer progression and therapy resistance.
• Chromatin motion and nucleosome dynamics influence transcription in living cells.
• Provides a mechanistic basis for understanding epigenetic therapies.
• Enables causal gene discovery through CRISPR perturbation of transcriptional regulators.
• Supports development of biomarkers based on transcriptional signatures.
• Offers targets for small molecules that modulate coregulator complexes.
What Happens During regulation of DNA-templated transcription?
Chromatin accessibility and nucleosome dynamics
In simple terms: Before transcription can start, the DNA must be made accessible by moving or modifying nucleosomes.
Transcriptional regulation begins with chromatin state, where nucleosome positioning and histone modifications control access of transcription factors to DNA. Nucleosomes are dynamic structures that can move and be remodeled, and local chromatin motion is linked to transcriptional activity. Histone post-translational modifications, such as methylation and acetylation, act as marks that recruit reader proteins and alter chromatin compaction. These modifications are both causes and consequences of genome function, creating feedback loops that stabilize transcriptional states.
Sequence-specific transcription factor binding
In simple terms: Proteins called transcription factors recognize specific DNA sequences and act as on/off switches for nearby genes.
Sequence-specific DNA-binding factors recognize regulatory elements in promoters and enhancers and nucleate the assembly of transcriptional regulatory complexes. These factors do not act alone; they recruit coregulator complexes that bridge to the basal transcription machinery. The integration of transcription coregulator complexes with sequence-specific DNA-binding factor interactomes determines gene-specific transcriptional output. This step is a major point of signal integration, allowing extracellular cues to be converted into changes in gene expression.
Coregulator recruitment and histone modification
In simple terms: Helper proteins are recruited to add or remove chemical marks on histones, which fine-tunes transcription.
Coregulator complexes include coactivators and corepressors that modify histones and remodel chromatin. Histone-modifying enzymes deposit or remove post-translational modifications that serve as docking sites for reader proteins. For example, histone serotonylation is a permissive modification that enhances TFIID binding to H3K4me3, linking a specific histone mark to general transcription factor recruitment. These events are highly dynamic and can be mapped using photo-cross-linking approaches that delineate epigenetic interactomes.
RNA polymerase II recruitment and initiation
In simple terms: The enzyme that makes RNA is recruited to the gene, and transcription begins.
The ultimate output of GO:0006355 is modulation of RNA polymerase II activity at target genes. Coregulator complexes facilitate or block the recruitment of RNA polymerase II and general transcription factors. The frequency and rate of transcription initiation are controlled by the combined action of activators and repressors. This step is often the rate-limiting point for gene expression and is a common target of regulatory mechanisms.
Elongation, termination, and feedback
In simple terms: After initiation, transcription must proceed efficiently and then stop, with feedback to adjust future rounds.
Regulation extends beyond initiation to include elongation and termination, which influence the amount of full-length RNA produced. Chromatin modifications can also affect elongation by altering nucleosome stability. Feedback mechanisms ensure that transcriptional output is matched to cellular needs, and disruption of these feedback loops can lead to disease. The dynamic nature of chromatin and transcription means that regulatory states are constantly remodeled.
Key Genes Involved in GO:0006355 regulation of DNA-templated transcription
The following genes and proteins are representative players in regulation of DNA-templated transcription (GO:0006355), based on published literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| SMARCA5 | Chromatin remodeling ATPase | Stabilized by USP3; linked to DNA damage response and chemotherapy resistance |
| USP3 | Deubiquitinase | Promotes DNA damage response by stabilizing SMARCA5 in prostate cancer |
| TFIID | General transcription factor | Binds H3K4me3; enhanced by histone serotonylation |
| H3K4me3 | Histone mark | Permissive mark recognized by TFIID |
| RNA polymerase II | Transcribes DNA to RNA | Central effector of transcriptional regulation |
| Histone acetyltransferases | Add acetyl groups to histones | Modify chromatin accessibility |
| Histone deacetylases | Remove acetyl groups | Repress transcription by compacting chromatin |
| Histone methyltransferases | Add methyl groups to histones | Create docking sites for reader proteins |
| Histone demethylases | Remove methyl groups | Reverse repressive or active marks |
| Chromatin remodelers | Move or evict nucleosomes | Control DNA accessibility |
| Sequence-specific transcription factors | Bind promoters/enhancers | Recruit coregulators |
| Coregulator complexes | Bridge factors to polymerase | Integrate signals for gene-specific output |
| Reader proteins | Recognize histone marks | Translate marks into transcriptional outcomes |
| Nucleosome | DNA packaging unit | Dynamic structure influencing transcription |
| Epigenetic interactome components | Mediate chromatin interactions | Mapped by photo-cross-linking |
How Is regulation of DNA-templated transcription Regulated?
Regulation of DNA-templated transcription is itself regulated by multiple layers of control. Histone post-translational modifications can be written, erased, and read, creating dynamic feedback that modulates transcription. Sequence-specific DNA-binding factors integrate signaling pathways and recruit distinct coregulator complexes depending on cellular context. Chromatin motion and nucleosome dynamics provide a physical layer of regulation that affects factor accessibility. In disease, these regulatory layers can be rewired, for example in the tumor microenvironment where epigenetic changes promote immune evasion. Deubiquitinases such as USP3 can stabilize chromatin remodelers and thereby influence transcriptional and DNA damage responses.
regulation of DNA-templated transcription 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, chromatin remodeling | Point mutation of catalytic domain; tagged knock-in for interaction studies |
| TFIID | Transcription initiation, histone mark recognition | Knock-in of H3K4me3 reader mutations; overexpression |
| Histone-modifying enzymes | Epigenetic regulation in cancer | CRISPR knockout and point mutation of catalytic residues |
| Chromatin remodelers | Developmental disorders, cancer | Knockout and knock-in of disease-associated mutations |
Cancer and the tumor microenvironment
Epigenetic regulation of transcription is a key mechanism in the tumor microenvironment, where cancer cells and immune cells undergo transcriptional reprogramming that supports tumor growth and immune evasion. Targeting epigenetic regulators is a promising therapeutic strategy, and understanding these mechanisms requires models that can perturb transcriptional regulators. For example, USP3 promotes DNA damage response and chemotherapy resistance by stabilizing SMARCA5 in prostate cancer, linking a transcriptional regulator to clinical outcomes.
DNA damage response and chemotherapy resistance
Transcriptional regulation intersects with DNA repair pathways. USP3 deubiquitinates and stabilizes SMARCA5, a chromatin remodeler, thereby promoting DNA damage response and chemotherapy resistance in prostate cancer. This illustrates how regulators of DNA-templated transcription can directly influence treatment response and represent potential therapeutic targets.
Developmental and epigenetic disorders
Because transcriptional regulation controls cell fate, its disruption can cause developmental abnormalities. Histone modifications and chromatin remodeling are essential for normal genome function, and their dysregulation is associated with disease. Nucleosome dynamics at the dawn of eukaryotes highlight the evolutionary importance of these mechanisms. Understanding these processes can inform diagnosis and therapy for epigenetic disorders.
From regulation of DNA-templated transcription-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of a transcriptional regulator alter gene expression? | CRISPR knockout cell line followed by RNA-seq |
| Does a specific point mutation in a chromatin remodeler affect transcription? | Point mutation knock-in via CRISPR |
| How does a histone mark reader domain contribute to transcription? | Knock-in of reader domain mutations or tagged knock-in |
| Does overexpression of a coregulator drive oncogenic transcription? | Overexpression cell model |
| Which genomic loci are bound by a transcription factor? | Tagged knock-in for ChIP-seq or photo-cross-linking |
| Can a deubiquitinase inhibitor reverse chemotherapy resistance? | Knockout of USP3 combined with drug treatment |
How to Study the regulation of DNA-templated transcription Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Transcript abundance | Global expression changes after knockout or overexpression |
| ChIP-seq | Protein-DNA binding sites | Mapping transcription factor and histone mark localization |
| Photo-cross-linking | Epigenetic interactome | Delineating protein interactions at chromatin |
| Mass spectrometry | Histone modifications | Detecting post-translational marks |
| Live-cell imaging | Chromatin motion | Linking nuclear dynamics to transcription |
| ATAC-seq | Chromatin accessibility | Assessing open chromatin after perturbation |
| CRISPR screening | Gene function at scale | Identifying regulators of transcription |
| Proteomics | Protein abundance and interactions | Characterizing coregulator complexes |
Transcriptomic profiling (RNA-seq)
RNA sequencing measures the abundance of transcripts and can reveal global changes in gene expression after perturbation of transcriptional regulators. It is widely used to assess the consequences of CRISPR knockout or overexpression of genes involved in GO:0006355.
Chromatin immunoprecipitation and interactome mapping
ChIP-seq and related methods identify genomic binding sites of transcription factors and modified histones. Photo-cross-linking approaches can delineate epigenetic interactomes and map protein-DNA interactions with high resolution. These methods are essential for understanding how sequence-specific factors and coregulators regulate transcription.
Histone modification analysis
Mass spectrometry and antibody-based assays detect histone post-translational modifications that are central to transcriptional regulation. Histone serotonylation, for example, can be detected and linked to TFIID binding. These analyses help establish cause-and-consequence relationships between marks and transcription.
Live-cell imaging of chromatin dynamics
Imaging approaches track local chromatin motion and its relationship to transcription in living cells. Nucleosome dynamics can be visualized to understand how chromatin architecture changes during regulatory events. These methods complement genomic approaches by providing spatial and temporal information.
How CRISPR Can Be Used to Study GO:0006355 regulation of DNA-templated transcription
Knockout
CRISPR knockout is used to eliminate a transcriptional regulator and measure the resulting changes in gene expression and phenotype. For example, knocking out USP3 can reveal its role in stabilizing SMARCA5 and promoting chemotherapy resistance. Knockout models are essential for establishing causal roles of genes in GO:0006355.
Point Mutation
Point mutation knock-in allows precise modification of catalytic residues or interaction domains to dissect molecular mechanisms. This approach can distinguish between enzymatic activity and scaffolding functions of chromatin regulators. It is particularly useful for studying histone-modifying enzymes and remodelers.
Knock-in
Knock-in of tags or reporter sequences enables visualization and purification of transcriptional regulators. Tagged knock-in can be used for ChIP-seq, proteomics, and live-cell imaging to map interactions and localization. This approach preserves endogenous regulation of the target gene.
Overexpression
Overexpression models are used to test whether increased levels of a transcriptional regulator drive oncogenic or other disease-associated transcriptional programs. They complement loss-of-function studies by revealing gain-of-function effects. Overexpression can also be used to rescue phenotypes in knockout backgrounds.
How EDITGENE Supports regulation of DNA-templated transcription Research
Researchers studying regulation of DNA-templated transcription-related genes often need to determine whether a candidate gene is causally involved in a specific transcriptional or disease phenotype. This requires precise genetic models that can knockout, mutate, tag, or overexpress the gene of interest in relevant cell types. EDITGENE provides end-to-end CRISPR services to generate such models and to support downstream screening and bioinformatics analysis.
Contact EDITGENE today to design your custom CRISPR model for regulation of DNA-templated transcription research.
Frequently Asked Questions About regulation of DNA-templated transcription
What is GO:0006355 regulation of DNA-templated transcription?
GO:0006355 is a Gene Ontology biological_process term defined as any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
What genes are involved in regulation of DNA-templated transcription?
Key genes include chromatin remodelers such as SMARCA5, deubiquitinases such as USP3, general transcription factors such as TFIID, and many histone-modifying enzymes.
How is DNA-templated transcription regulated?
It is regulated by chromatin accessibility, histone modifications, sequence-specific transcription factor binding, and coregulator recruitment to RNA polymerase II.
What is the role of histone modifications in transcription?
Histone post-translational modifications are both causes and consequences of genome function and help recruit reader proteins that modulate transcription.
How does histone serotonylation affect transcription?
Histone serotonylation is a permissive modification that enhances TFIID binding to H3K4me3, thereby promoting transcription.
What diseases are linked to dysregulated transcription?
Cancer, immune dysfunction, and developmental disorders are linked to dysregulated transcriptional regulation.
How can CRISPR be used to study transcriptional regulation?
CRISPR knockout, point mutation, knock-in, and overexpression models allow causal testing of transcriptional regulators in cells.
What methods measure transcriptional regulation?
RNA-seq, ChIP-seq, ATAC-seq, mass spectrometry, and live-cell imaging are commonly used.
What is the tumor microenvironment role in transcription?
Epigenetic regulation in the tumor microenvironment involves transcriptional reprogramming that supports tumor growth and immune evasion.
How does USP3 affect transcription and chemotherapy resistance?
USP3 stabilizes and deubiquitinates SMARCA5, promoting DNA damage response and chemotherapy resistance in prostate cancer.
Conclusion
GO:0006355 regulation of DNA-templated transcription is a central biological process that integrates chromatin state, transcription factor binding, and coregulator function to control gene expression. Its dysregulation is implicated in cancer and other diseases, making it a high-priority area for mechanistic and therapeutic research. CRISPR-based models, combined with genomic and imaging methods, provide powerful tools to dissect this process and identify new targets.
References
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- 2. Farrelly LA et al.. 2019. Histone serotonylation is a permissive modification that enhances TFIID binding to H3K4me3.. Nature 567(7749):535-539 PMID: 30867594
- 3. Yang J et al.. 2023. Epigenetic regulation in the tumor microenvironment: molecular mechanisms and therapeutic targets.. Signal Transduct Target Ther 8(1):210 PMID: 37217462
- 4. 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
- 5. Zhang Z et al.. 2022. Photo-Cross-Linking To Delineate Epigenetic Interactome.. J Am Chem Soc 144(46):20979-20997 PMID: 36346429
- 6. Velthuijs N et al.. 2021. Integration of transcription coregulator complexes with sequence-specific DNA-binding factor interactomes.. Biochim Biophys Acta Gene Regul Mech 1864(10):194749 PMID: 34425241
- 7. Babokhov M et al.. 2020. Local Chromatin Motion and Transcription.. J Mol Biol 432(3):694-700 PMID: 31689435
- 8. Hocher A et al.. 2024. Nucleosomes at the Dawn of Eukaryotes.. Genome Biol Evol 16(3) PMID: 38366053
