GO:1903426 regulation of reactive oxygen species biosynthetic process: Redox Signaling Pathway, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:1903426 describes any process that modulates the frequency, rate or extent of reactive oxygen species (ROS) biosynthetic process, encompassing both positive and negative regulation.
• ROS are not merely damaging byproducts; they act as specific molecular regulators of cell signaling and function, making their controlled biosynthesis essential for physiology.
• Key regulatory nodes include NF-kB signaling, thiol-based redox switches, deubiquitinating enzymes (DUBs), and metabolic enzymes such as DHODH.
• Dysregulation of ROS biosynthesis is implicated in cancer, neurodegenerative disorders, inflammatory diseases, and ferroptosis-related pathologies.
• CRISPR-based models (knockout, point mutation, knock-in, overexpression) enable causal dissection of genes controlling ROS biosynthetic process.
• Studying GO:1903426 requires integrated methods such as redox proteomics, live-cell ROS imaging, and CRISPR library screening to link regulators to phenotypes.
Description
Reactive oxygen species (ROS) are chemically reactive molecules containing oxygen, and their biosynthetic process is tightly controlled to balance signaling and damage. The Gene Ontology term GO:1903426, regulation of reactive oxygen species biosynthetic process, captures any process that modulates the frequency, rate or extent of ROS biosynthesis. This term is critical because ROS participate in diverse physiological and pathological contexts, from immune defense to cell death. Understanding its regulation provides mechanistic insight into how cells maintain redox homeostasis and respond to stress. ROS biosynthesis occurs at multiple subcellular sites, including mitochondria, peroxisomes, and the plasma membrane, and is influenced by metabolic and signaling inputs. The regulation of this process involves enzymes such as NADPH oxidases, mitochondrial electron transport chain components, and metabolic dehydrogenases, as well as redox-sensitive transcription factors. For researchers, GO:1903426 offers a framework to annotate genes and pathways that control ROS production, facilitating comparative genomics and functional studies. Given the broad impact of ROS on cell fate, the regulation of ROS biosynthetic process is a focal point in cancer biology, immunology, and neuroscience. This article synthesizes authoritative QuickGO data and verified PubMed literature to provide a research-grade overview of GO:1903426, including its definition, mechanisms, key genes, disease links, and experimental models for investigation.
regulation of reactive oxygen species biosynthetic process At A Glance
| GO ID | GO:1903426 |
|---|---|
| GO term | regulation of reactive oxygen species biosynthetic process |
| Ontology | biological_process |
| Synonym | regulation of ROS formation; regulation of ROS generation; regulation of reactive oxygen species anabolism; regulation of reactive oxygen species biosynthesis; regulation of reactive oxygen species synthesis |
| Major function | Modulates the frequency, rate or extent of ROS biosynthetic process, thereby influencing redox signaling and homeostasis. |
| Related processes | ROS biosynthetic process (GO:1903409), reactive oxygen species metabolic process (GO:0072593), cellular response to oxidative stress (GO:0034599). |
| Key regulators | NF-kB signaling, thiol-based redox switches, DUBs, DHODH, DGK5-mediated PA burst. |
| Disease relevance | Cancer, neurodegeneration, inflammatory diseases, ferroptosis. |
What Is GO:1903426?
GO:1903426, regulation of reactive oxygen species biosynthetic process, is defined as any process that modulates the frequency, rate or extent of reactive oxygen species biosynthetic process. In other words, it encompasses all molecular events that control how much ROS is produced, when, and where, without directly carrying out the biosynthesis itself. This regulation can be positive (increasing ROS production) or negative (decreasing it), and it operates through diverse mechanisms including enzyme activity modulation, gene expression changes, and metabolic flux alterations.
Why Is regulation of reactive oxygen species biosynthetic process Important in Cell Biology?
The regulation of ROS biosynthetic process is fundamentally important because ROS act as double-edged swords: at controlled levels they serve as signaling molecules in processes such as cell proliferation, immune response, and differentiation, but excessive or misplaced ROS production leads to oxidative damage and disease. Understanding GO:1903426 helps researchers identify therapeutic targets and biomarkers, as many pathological conditions involve aberrant ROS regulation.
• ROS are specific molecular regulators of cell signaling, not just damaging agents, so their biosynthesis must be precisely controlled.
• NF-kB signaling crosstalks with ROS, and this interplay affects inflammation and cancer progression.
• Thiol-based redox switches provide reversible regulation of protein function in response to ROS, linking biosynthesis to cellular decisions.
• Deubiquitinating enzymes (DUBs) are regulated by oxidative stress and in turn modulate ROS-related pathways.
• DHODH-mediated mitochondrial redox homeostasis controls ferroptosis, a form of regulated cell death.
• In plants, DGK5-mediated phosphatidic acid burst regulates ROS in immunity, showing evolutionary conservation.
• Photosynthetic electron transport generates ROS that must be regulated to avoid photodamage.
• Macrophage redox regulation is critical for immune function and host defense.
• Dysregulated ROS biosynthesis contributes to cancer, neurodegeneration, and metabolic disorders.
• CRISPR screens can identify novel regulators of ROS biosynthesis, accelerating target discovery.
What Happens During regulation of reactive oxygen species biosynthetic process?
Initiation of ROS Biosynthesis and Its Regulatory Inputs
In simple terms: Cells start making ROS when enzymes like NADPH oxidases or mitochondrial complexes receive signals, and this start is controlled by other molecules.
ROS biosynthesis is initiated by enzymes such as NADPH oxidases (NOX family), mitochondrial electron transport chain complexes, and metabolic oxidases. Regulatory inputs include growth factors, cytokines, and metabolic cues that modulate these enzymes' activity or expression. For example, NF-kB signaling can induce NOX expression, while thiol-based redox switches on regulatory proteins can alter their function in response to ROS levels. In plants, DGK5-mediated phosphatidic acid burst is a regulatory input for ROS production during immunity.
Amplification and Feedback Control
In simple terms: Once ROS production begins, it can amplify through positive feedback, but cells also have brakes to prevent runaway damage.
ROS can activate signaling pathways that further stimulate their own production, creating positive feedback loops. For instance, ROS can activate NF-kB, which induces more ROS-producing enzymes. Conversely, negative feedback is provided by antioxidant systems and by redox-sensitive phosphatases that dampen signaling. Deubiquitinating enzymes (DUBs) also participate in feedback by stabilizing or destabilizing regulators of ROS biosynthesis.
Integration with Metabolism and Organelle Crosstalk
In simple terms: ROS regulation is tied to how cells use energy and communicate between organelles like mitochondria and peroxisomes.
Mitochondrial ROS production is linked to metabolic flux through the electron transport chain and is influenced by enzymes such as DHODH, which supports mitochondrial redox homeostasis. Peroxisomal and endoplasmic reticulum ROS also contribute to the overall pool. Organelle crosstalk, including mitochondria-associated membranes, coordinates ROS biosynthesis with calcium and lipid signaling.
Resolution and Adaptation
In simple terms: After ROS levels rise, cells activate programs to lower them and adapt to the new redox state.
Resolution involves upregulation of antioxidant enzymes (e.g., superoxide dismutase, catalase, glutathione peroxidase) and repair of oxidized macromolecules. Adaptive responses include activation of transcription factors like Nrf2 and NF-kB, which modulate gene expression to restore redox balance. In macrophages, redox regulation is essential for resolving inflammation and returning to homeostasis.
Key Genes Involved in GO:1903426 regulation of reactive oxygen species biosynthetic process
The following genes and proteins are key players in the regulation of ROS biosynthetic process, based on verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| NFKB1 | Transcription factor that crosstalks with ROS and induces ROS-producing enzymes | Inflammation and cancer models |
| NOX1 | NADPH oxidase that produces superoxide | ROS biosynthesis studies in colon and vascular cells |
| NOX2 | NADPH oxidase in phagocytes for immune defense | Macrophage redox regulation and infection |
| NOX4 | Constitutively active NADPH oxidase producing H2O2 | Fibrosis and cancer research |
| DHODH | Mitochondrial enzyme linked to redox homeostasis and ferroptosis | Ferroptosis and metabolic studies |
| DGK5 | Diacylglycerol kinase generating phosphatidic acid to regulate ROS in plants | Plant immunity and ROS signaling |
| TXN | Thioredoxin, a thiol-based redox switch protein | Redox regulation and oxidative stress |
| TXNIP | Thioredoxin-interacting protein, regulates redox and inflammation | Metabolic and inflammatory disease models |
| PRDX1 | Peroxiredoxin, antioxidant enzyme and redox sensor | Cancer and neurodegeneration |
| GPX4 | Glutathione peroxidase 4, protects against lipid peroxidation | Ferroptosis research |
| SOD1 | Superoxide dismutase 1, converts superoxide to H2O2 | ALS and oxidative stress |
| SOD2 | Mitochondrial superoxide dismutase | Mitochondrial ROS regulation |
| CAT | Catalase, detoxifies H2O2 | Redox homeostasis |
| NQO1 | Quinone oxidoreductase, antioxidant enzyme | Nrf2 pathway studies |
| USP7 | Deubiquitinating enzyme regulated by oxidative stress | DUB and ROS crosstalk |
| OTUB1 | Deubiquitinating enzyme involved in oxidative stress response | Redox signaling |
| PSII | Photosystem II component generating ROS during photosynthesis | Plant ROS regulation |
How Is regulation of reactive oxygen species biosynthetic process Regulated?
The regulation of ROS biosynthetic process is itself subject to multiple layers of control. NF-kB signaling is a central node that both responds to and modulates ROS levels, creating feedback loops. Thiol-based redox switches on proteins such as thioredoxin and peroxiredoxins provide rapid, reversible regulation in response to ROS. Deubiquitinating enzymes (DUBs) are regulated by oxidative stress and can stabilize or destabilize key ROS regulators. In mitochondria, DHODH activity is linked to redox homeostasis and ferroptosis sensitivity. In plants, DGK5-mediated phosphatidic acid burst is a specific regulatory mechanism for ROS in immunity. Photosynthetic electron transport also generates ROS that is regulated by the redox state of the electron carriers. Macrophage redox regulation involves complex signaling that integrates ROS with immune function.
regulation of reactive oxygen species biosynthetic process and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| NFKB1 | Inflammation and cancer | Knockout in cancer cell lines; NF-kB reporter assays |
| DHODH | Ferroptosis and metabolic stress | Knockout or point mutation in cancer cells; ferroptosis induction |
| SOD1 | Amyotrophic lateral sclerosis | Knock-in of ALS-associated mutations in iPSC-derived motor neurons |
| GPX4 | Ferroptosis and neurodegeneration | Knockout in neuronal cells; lipid peroxidation assays |
| NOX2 | Chronic granulomatous disease and immune deficiency | Knockout in macrophages; bacterial killing assays |
Cancer
Dysregulated ROS biosynthesis contributes to cancer initiation, progression, and therapy resistance. NF-kB signaling, which crosstalks with ROS, is frequently activated in cancers and promotes survival and proliferation. Elevated ROS can also drive genomic instability. Targeting ROS regulatory pathways, such as NOX enzymes or DHODH, is an emerging therapeutic strategy.
Neurodegenerative Disorders
Oxidative stress from excessive ROS production is implicated in neurodegeneration, including amyotrophic lateral sclerosis (ALS) and Alzheimer's disease. Mutations in SOD1 cause familial ALS, and impaired regulation of ROS biosynthesis contributes to neuronal death. Thiol-based redox switches are also disrupted in neurodegenerative conditions.
Inflammatory and Immune Diseases
ROS regulation is critical for immune cell function. Macrophages require controlled ROS production for pathogen killing, but excessive ROS causes tissue damage in inflammatory diseases. NF-kB and ROS crosstalk is central to chronic inflammation. DUBs that respond to oxidative stress also modulate inflammatory signaling.
Ferroptosis and Metabolic Disorders
Ferroptosis is a form of regulated cell death driven by iron-dependent lipid peroxidation, and DHODH-mediated mitochondrial redox homeostasis is a key regulator. GPX4 is a major defender against ferroptosis, and its regulation is tied to ROS biosynthesis. Metabolic disorders such as diabetes involve altered ROS regulation.
From regulation of reactive oxygen species biosynthetic process-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is a candidate gene required for ROS biosynthesis? | CRISPR knockout in cell lines followed by ROS measurement |
| Does a specific point mutation alter ROS regulation? | CRISPR point mutation knock-in (e.g., SOD1 mutations) |
| How does a disease-associated variant affect ROS levels? | Knock-in of the variant in isogenic cell lines |
| Where and when is a ROS regulator expressed? | Tagged knock-in with fluorescent protein for live imaging |
| Does overexpression of a gene increase ROS production? | CRISPR activation or cDNA overexpression |
| Which genes regulate ROS biosynthesis in a genome-wide manner? | CRISPR library screening with ROS-sensitive reporters |
How to Study the regulation of reactive oxygen species biosynthetic process Process
| Method | What It Measures | Typical Application |
|---|---|---|
| DCFDA / MitoSOX | Total or mitochondrial ROS levels | Live-cell imaging and flow cytometry |
| HyPer biosensor | H2O2 dynamics in real time | Subcellular ROS imaging |
| CRISPR knockout screen | Genes required for ROS biosynthesis or survival | Genome-wide regulator discovery |
| Redox proteomics (OxICAT) | Reversible cysteine oxidation | Thiol-based redox switch identification |
| RNA-seq | Transcriptional changes in ROS-related genes | Pathway analysis after oxidative stress |
| DUB activity assay | Deubiquitinating enzyme activity | Oxidative stress response studies |
| Ferroptosis assay | Lipid peroxidation and cell death | DHODH and GPX4 functional studies |
| Macrophage ROS assay | ROS production in immune cells | Host defense and inflammation |
Measuring ROS Levels and Biosynthesis
ROS levels can be measured using fluorescent probes such as DCFDA, MitoSOX, and HyPer, which detect specific ROS species. These probes enable live-cell imaging and flow cytometry to quantify ROS production in real time. For biosynthesis specifically, isotope tracing or enzyme activity assays can be used.
Genetic Screens for ROS Regulators
CRISPR knockout and activation screens coupled with ROS-sensitive reporters or cell survival under oxidative stress can identify novel regulators of ROS biosynthesis. Such screens have revealed roles for metabolic enzymes and signaling proteins.
Redox Proteomics and Thiol Profiling
Redox proteomics techniques, such as OxICAT or dimedone-based labeling, identify proteins with oxidized cysteine residues, revealing thiol-based redox switches and their regulation. These methods link ROS biosynthesis to specific signaling nodes.
Transcriptional and Post-Translational Analysis
RNA-seq and ChIP-seq can reveal transcriptional changes in ROS-related genes, while ubiquitination assays and DUB activity assays uncover post-translational regulation. NF-kB activation can be monitored by luciferase reporters.
How CRISPR Can Be Used to Study GO:1903426 regulation of reactive oxygen species biosynthetic process
Knockout
CRISPR knockout of candidate genes (e.g., NOX isoforms, DHODH) allows researchers to test whether the gene is necessary for ROS biosynthesis. Knockout cell lines can be challenged with stressors and assessed for ROS levels, viability, and signaling changes.
Point Mutation
Point mutations can be introduced to model disease-associated variants or to dissect catalytic residues. For example, knock-in of SOD1 mutations linked to ALS enables study of ROS regulation in neurodegeneration. Point mutations in DHODH can reveal residues critical for redox homeostasis.
Knock-in
Knock-in of reporter tags (e.g., fluorescent proteins) or disease variants allows tracking of protein localization and function. Tagged knock-in of ROS regulators can be used for live imaging and proteomics. Disease variant knock-in models help link genotype to ROS phenotypes.
Overexpression
CRISPR activation (CRISPRa) or cDNA overexpression can increase gene expression to test sufficiency for ROS production. Overexpression of NOX enzymes or DHODH can elevate ROS levels and drive phenotypes such as ferroptosis resistance. This approach complements knockout studies.
How EDITGENE Supports regulation of reactive oxygen species biosynthetic process Research
Researchers studying regulation of reactive oxygen species biosynthetic process-related genes often need to determine whether a candidate gene is causally involved in ROS production, signaling, or disease. EDITGENE provides comprehensive CRISPR-based services to generate precisely engineered cell models, enabling rigorous functional validation of genes implicated in GO:1903426.
Contact EDITGENE today to design your custom CRISPR model for regulation of reactive oxygen species biosynthetic process research.
Frequently Asked Questions About regulation of reactive oxygen species biosynthetic process
What is GO:1903426?
GO:1903426 is the Gene Ontology term for regulation of reactive oxygen species biosynthetic process, defined as any process that modulates the frequency, rate or extent of ROS biosynthesis.
What genes are involved in regulation of reactive oxygen species biosynthetic process?
Key genes include NFKB1, NOX family members, DHODH, SOD1/2, GPX4, TXN, and DUBs such as USP7, among others.
How is ROS biosynthesis regulated?
ROS biosynthesis is regulated by signaling pathways (e.g., NF-kB), thiol-based redox switches, metabolic enzymes like DHODH, and post-translational modifications such as deubiquitination.
Why is regulation of ROS biosynthetic process important in cancer?
Dysregulated ROS biosynthesis promotes cancer cell survival, proliferation, and therapy resistance, often through NF-kB crosstalk and metabolic reprogramming.
What diseases are linked to ROS biosynthesis dysregulation?
Cancer, neurodegenerative diseases (e.g., ALS), inflammatory disorders, and ferroptosis-related pathologies are linked to altered ROS regulation.
What methods are used to study GO:1903426?
Methods include ROS-sensitive fluorescent probes, CRISPR screens, redox proteomics, RNA-seq, and DUB activity assays.
Can CRISPR be used to study ROS regulation?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models are powerful tools to dissect gene function in ROS biosynthesis.
What is the role of DHODH in ROS regulation?
DHODH supports mitochondrial redox homeostasis and regulates ferroptosis, making it a key node in ROS biosynthesis regulation.
How do thiol-based redox switches control ROS?
Thiol-based redox switches are reversible modifications of cysteine residues that alter protein activity in response to ROS, providing feedback regulation.
What are the synonyms for GO:1903426?
Synonyms include regulation of ROS formation, regulation of ROS generation, regulation of reactive oxygen species anabolism, biosynthesis, and synthesis.
Conclusion
GO:1903426, regulation of reactive oxygen species biosynthetic process, is a central biological process that controls redox signaling and homeostasis. Its dysregulation underlies numerous diseases, and understanding its mechanisms offers therapeutic opportunities. CRISPR-based models and advanced screening methods are indispensable for dissecting the genetic and molecular regulators of ROS biosynthesis. EDITGENE provides end-to-end services to support such research, from knockout and knock-in cell lines to library screening and bioinformatics.
References
- 1. Morgan MJ et al.. 2011. Crosstalk of reactive oxygen species and NF-κB signaling.. Cell Res 21(1):103-15 PMID: 21187859
- 2. Lennicke C et al.. 2021. Redox metabolism: ROS as specific molecular regulators of cell signaling and function.. Mol Cell 81(18):3691-3707 PMID: 34547234
- 3. Snyder NA et al.. 2021. Deubiquitinating enzymes (DUBs): Regulation, homeostasis, and oxidative stress response.. J Biol Chem 297(3):101077 PMID: 34391779
- 4. Kong L et al.. 2024. Dual phosphorylation of DGK5-mediated PA burst regulates ROS in plant immunity.. Cell 187(3):609-623.e21 PMID: 38244548
- 5. Krieger-Liszkay A et al.. 2022. Regulation of the generation of reactive oxygen species during photosynthetic electron transport.. Biochem Soc Trans 50(2):1025-1034 PMID: 35437580
- 6. Cao J et al.. 2025. DHODH-mediated mitochondrial redox homeostasis: a novel ferroptosis regulator and promising therapeutic target.. Redox Biol 85:103788 PMID: 40716151
- 7. Groitl B et al.. 2014. Thiol-based redox switches.. Biochim Biophys Acta 1844(8):1335-43 PMID: 24657586
- 8. Tran N et al.. 2024. Redox regulation of macrophages.. Redox Biol 72:103123 PMID: 38615489
