GO:0033194 response to hydroperoxide: Oxidative Stress Response, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0033194 response to hydroperoxide describes any cellular or organismal change triggered by a hydroperoxide stimulus, including changes in gene expression, enzyme production, movement, or secretion.
• Hydroperoxides are monosubstitution products of hydrogen peroxide (HOOH) and include hydrogen peroxide itself, lipid hydroperoxides, and organic hydroperoxides such as limonene hydroperoxides.
• Peroxiredoxins are central enzymatic defenders that are induced or regulated in response to hydroperoxide stress across species.
• Bacteria such as Chromobacterium violaceum and Caulobacter crescentus mount global transcriptional responses to organic hydroperoxide, often controlled by regulators like OhrR and the sigmaE-ChrR system.
• In eukaryotes, lipid oxidation products such as linoleic acid hydroperoxide can trigger cell cycle arrest, and specific genes are required for this response in Saccharomyces cerevisiae.
• Dysregulated hydroperoxide metabolism, including excessive mitochondrial hydrogen peroxide production, is linked to human diseases such as atopic dermatitis and influences radiation response in cancer.
Description
Response to hydroperoxide (GO:0033194) is a biological process that encompasses any change in a cell or organism's state or activity following exposure to a hydroperoxide stimulus. Hydroperoxides are reactive oxygen species derived from hydrogen peroxide (HOOH) by monosubstitution, and they include hydrogen peroxide itself, organic hydroperoxides, and lipid hydroperoxides. These molecules can oxidize biomolecules, modulate signaling pathways, and induce adaptive or toxic responses. Understanding this process is critical because hydroperoxides are generated during normal metabolism, inflammation, and exposure to environmental agents, and their accumulation is associated with oxidative stress and disease. Researchers study response to hydroperoxide to uncover antioxidant defense mechanisms, cellular signaling, and host-pathogen interactions. The process is conserved from bacteria to humans, making model organisms valuable for dissecting its molecular players.
response to hydroperoxide At A Glance
| GO ID | GO:0033194 |
|---|---|
| GO term | response to hydroperoxide |
| Ontology | biological_process |
| Synonym | None listed |
| Definition | Any process that results in a change in state or activity of a cell or an organism as a result of a hydroperoxide stimulus; hydroperoxides are monosubstitution products of hydrogen peroxide, HOOH. |
| Major function | Cellular and organismal adaptation to hydroperoxide stress, including antioxidant enzyme induction, transcriptional changes, and cell cycle regulation. |
| Examples of hydroperoxides | Hydrogen peroxide, organic hydroperoxides (e.g., limonene hydroperoxides), lipid hydroperoxides (e.g., linoleic acid hydroperoxide). |
| Key regulators | Peroxiredoxins, OhrR, sigmaE-ChrR system, and other stress-responsive transcription factors. |
| Taxonomic range | Conserved across bacteria, fungi, plants, and animals. |
What Is GO:0033194?
According to the Gene Ontology, GO:0033194 response to hydroperoxide is defined as any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a hydroperoxide stimulus. Hydroperoxides are monosubstitution products of hydrogen peroxide, HOOH. This term captures the broad physiological and molecular reactions triggered by hydroperoxides, including activation of antioxidant enzymes, transcriptional reprogramming, and cell cycle effects.
Why Is response to hydroperoxide Important in Cell Biology?
Response to hydroperoxide is fundamental to cellular survival and homeostasis because hydroperoxides are constantly generated as byproducts of metabolism and immune responses. Dysregulation of this process contributes to oxidative damage, inflammation, and diseases ranging from cancer to atopic dermatitis. Moreover, pathogens rely on hydroperoxide-sensing regulators to control virulence, making this process a target for antimicrobial strategies. Understanding the mechanisms of hydroperoxide response also informs radiation therapy, as manipulating hydroperoxide metabolism can sensitize tumors to radiation.
• Protects cells from oxidative damage by inducing antioxidant enzymes such as peroxiredoxins.
• Regulates cell cycle progression and arrest in response to lipid oxidation products.
• Controls bacterial virulence traits through regulators like OhrR in Chromobacterium violaceum.
• Mediates global transcriptional responses to organic hydroperoxide in Caulobacter crescentus via the sigmaE-ChrR system.
• Influences radiation response in cancer, with hydroperoxide metabolism as a therapeutic target.
• Linked to skin disorders such as atopic dermatitis through excessive mitochondrial hydrogen peroxide production.
• Involved in allergic contact dermatitis from limonene hydroperoxides.
• Serves as a model for studying conserved stress response pathways across species.
What Happens During response to hydroperoxide?
Hydroperoxide sensing and initial signaling
In simple terms: Cells first detect the presence of hydroperoxides, often through specific sensor proteins that become oxidized.
The response to hydroperoxide begins with sensing the stimulus. In bacteria, organic hydroperoxide is detected by regulators such as OhrR, which controls a global transcriptional response. In Caulobacter crescentus, the sigmaE-ChrR system mediates the response to organic hydroperoxide, singlet oxygen, and UV-A. In eukaryotes, peroxiredoxins can act as sensors that are oxidized by hydroperoxides, leading to downstream signaling.
Transcriptional reprogramming
In simple terms: The cell changes which genes are turned on or off to produce protective proteins.
Following sensing, cells alter gene expression to cope with hydroperoxide stress. In Chromobacterium violaceum, organic hydroperoxide induces a global transcriptional response that includes virulence traits. In Caulobacter crescentus, the sigmaE-ChrR system drives a transcriptional program in response to organic hydroperoxide. In Saccharomyces cerevisiae, a specific gene is required for G1 arrest in response to linoleic acid hydroperoxide, indicating cell cycle-related transcriptional changes.
Antioxidant enzyme induction
In simple terms: The cell produces enzymes that neutralize hydroperoxides to prevent damage.
A key outcome of the response is the increased expression or activity of antioxidant enzymes. Peroxiredoxins, which reduce hydroperoxides, show variant expression patterns in response to hydroperoxide stress. Mitochondrial peroxiredoxins are particularly important for detoxifying hydroperoxides in mitochondria. These enzymes help restore redox balance and protect cellular components from oxidative damage.
Cell cycle and physiological adjustments
In simple terms: The cell may pause its division cycle or change its behavior to survive the stress.
Hydroperoxide stress can lead to cell cycle arrest, allowing time for repair and adaptation. In Saccharomyces cerevisiae, linoleic acid hydroperoxide induces G1 arrest, and a specific gene is required for this response. In multicellular organisms, excessive mitochondrial hydrogen peroxide production contributes to atopic dermatitis, highlighting physiological consequences. These adjustments are critical for survival under oxidative stress.
Resolution or pathological outcomes
In simple terms: Depending on the severity, the cell either recovers or suffers damage that can lead to disease.
If the response is successful, cells restore redox homeostasis and resume normal function. However, chronic or excessive hydroperoxide exposure can overwhelm defenses, leading to oxidative damage and disease. For example, manipulation of glucose and hydroperoxide metabolism can improve radiation response in cancer, indicating that failure to manage hydroperoxides affects therapy outcomes. In skin, excessive mitochondrial hydrogen peroxide contributes to atopic dermatitis pathogenesis.
Key Genes Involved in GO:0033194 response to hydroperoxide
The following genes and proteins are experimentally implicated in the response to hydroperoxide across various organisms.
| Gene | Major Role | Research Relevance |
|---|---|---|
| PRDX1 | Peroxiredoxin that reduces hydroperoxides | Variant expression in response to hydroperoxide stress |
| PRDX2 | Peroxiredoxin involved in antioxidant defense | Expressed in response to hydroperoxide stress |
| PRDX3 | Mitochondrial peroxiredoxin | Detoxifies hydroperoxides in mitochondria |
| PRDX4 | Peroxiredoxin in endoplasmic reticulum | Part of peroxiredoxin family studied in hydroperoxide response |
| PRDX5 | Mitochondrial and cytosolic peroxiredoxin | Mitochondrial peroxiredoxins in hydroperoxide metabolism |
| OhrR | Organic hydroperoxide sensor and regulator | Controls global response and virulence in Chromobacterium violaceum |
| ChrR | Part of sigmaE-ChrR system | Mediates response to organic hydroperoxide in Caulobacter crescentus |
| SigmaE | Alternative sigma factor | Works with ChrR in hydroperoxide response |
| Unknown gene (S. cerevisiae) | Required for G1 arrest in response to linoleic acid hydroperoxide | Identified in yeast hydroperoxide response |
| Mitochondrial electron transport chain components | Source of hydrogen peroxide | Excessive production linked to atopic dermatitis |
| Glucose metabolism enzymes | Modulate hydroperoxide levels | Manipulation improves radiation response |
| Limonene hydroperoxide-metabolizing enzymes | Detoxify limonene hydroperoxides | Relevant to allergic contact dermatitis |
How Is response to hydroperoxide Regulated?
The response to hydroperoxide is regulated at multiple levels. In bacteria, the OhrR regulator directly senses organic hydroperoxides and controls gene expression. The sigmaE-ChrR system in Caulobacter crescentus coordinates a transcriptional response to organic hydroperoxide and other stresses. In eukaryotes, peroxiredoxins are not only effectors but also participate in redox signaling that can modulate further responses. Additionally, cell cycle checkpoints, such as the G1 arrest pathway in Saccharomyces cerevisiae, are activated upon hydroperoxide exposure. Metabolic factors, including glucose metabolism, can influence the cellular redox state and thereby modulate the response to hydroperoxides.
response to hydroperoxide and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| Mitochondrial electron transport chain | Atopic dermatitis | Knockout of mitochondrial complex I subunits in keratinocytes |
| Glucose metabolism enzymes | Cancer radiation response | Overexpression or knockout in cancer cell lines |
| OhrR | Bacterial virulence | Knockout in Chromobacterium violaceum |
| Peroxiredoxins | Oxidative stress-related diseases | Knockout or overexpression in mammalian cells |
| Unknown yeast gene | Cell cycle arrest | Knockout in Saccharomyces cerevisiae |
Atopic dermatitis
Excessive production of hydrogen peroxide in mitochondria contributes to the pathogenesis of atopic dermatitis, a chronic inflammatory skin disease. This highlights how dysregulated hydroperoxide metabolism can drive disease.
Cancer and radiation response
Manipulation of glucose and hydroperoxide metabolism can improve radiation response in cancer therapy. Tumor cells often have altered redox balance, making them vulnerable to strategies that increase hydroperoxide levels.
Allergic contact dermatitis
Limonene hydroperoxides are known skin sensitizers that can cause allergic contact dermatitis. The response to these hydroperoxides involves both detoxification and immune activation.
Infectious diseases
In pathogens like Chromobacterium violaceum, the response to organic hydroperoxide is linked to virulence traits, suggesting that interfering with this response could reduce pathogenicity.
From response to hydroperoxide-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X mediate hydroperoxide-induced cell cycle arrest? | Knockout of gene X in Saccharomyces cerevisiae |
| Does point mutation in peroxiredoxin alter hydroperoxide sensitivity? | Point mutation knock-in of PRDX in mammalian cells |
| Does overexpression of OhrR affect virulence? | Overexpression of OhrR in Chromobacterium violaceum |
| Does mitochondrial hydrogen peroxide production drive atopic dermatitis? | Knockout of mitochondrial antioxidant enzymes in mouse models |
| Does manipulation of glucose metabolism sensitize tumors to radiation? | Knockout of glucose metabolism genes in cancer xenografts |
| Does sigmaE-ChrR system regulate specific genes? | Knockout of chrR in Caulobacter crescentus |
How to Study the response to hydroperoxide Process
| Method | What It Measures | Typical Application |
|---|---|---|
| RNA-seq | Global gene expression changes | Identify transcriptional response to hydroperoxide |
| Proteomics | Protein abundance and modifications | Detect peroxiredoxin expression changes |
| Enzyme activity assays | Catalytic activity of antioxidant enzymes | Measure peroxiredoxin activity |
| Flow cytometry | Cell cycle distribution | Assess G1 arrest |
| Redox sensors (e.g., HyPer) | Intracellular hydrogen peroxide levels | Monitor mitochondrial H2O2 in atopic dermatitis models |
| Metabolic flux analysis | Glucose and hydroperoxide metabolism | Evaluate radiation response |
| Reporter gene assays | Transcriptional activity of stress promoters | Study OhrR regulation |
Transcriptional profiling (RNA-seq)
RNA sequencing can reveal global changes in gene expression in response to hydroperoxide. This approach has been used to characterize the organic hydroperoxide response in Chromobacterium violaceum and the sigmaE-ChrR regulon in Caulobacter crescentus.
Proteomics and enzyme activity assays
Proteomic analyses and activity assays can measure changes in antioxidant enzyme levels and activity. Peroxiredoxin expression variants in response to hydroperoxide stress have been studied using such methods.
Cell cycle analysis
Flow cytometry or microscopic analysis can assess cell cycle arrest induced by hydroperoxides. The G1 arrest in Saccharomyces cerevisiae in response to linoleic acid hydroperoxide was identified using these techniques.
Metabolic and redox measurements
Measuring hydrogen peroxide levels, glutathione ratios, and other redox parameters helps quantify the impact of hydroperoxide stress. Such measurements have linked mitochondrial hydrogen peroxide to atopic dermatitis and informed radiation response studies.
How CRISPR Can Be Used to Study GO:0033194 response to hydroperoxide
Knockout
CRISPR knockout can eliminate genes involved in hydroperoxide response to test their necessity. For example, knocking out peroxiredoxins or OhrR can reveal their roles in detoxification and virulence. In yeast, knockout of the gene required for G1 arrest can confirm its function.
Point Mutation
CRISPR point mutation can introduce specific amino acid changes to dissect catalytic or regulatory domains. For instance, mutating the catalytic cysteine of a peroxiredoxin can abolish its hydroperoxide-reducing activity while preserving other functions.
Knock-in
Knock-in of tagged or reporter versions of genes allows real-time monitoring of protein localization and expression. Tagging peroxiredoxins or OhrR can help track their dynamics during hydroperoxide stress.
Overexpression
CRISPR activation or overexpression constructs can elevate gene expression to study gain-of-function effects. Overexpressing antioxidant enzymes may protect cells from hydroperoxide-induced damage, while overexpressing OhrR can alter virulence.
How EDITGENE Supports response to hydroperoxide Research
Researchers studying response to hydroperoxide-related genes often need to determine whether a candidate gene is causally involved in sensing, detoxifying, or signaling in response to hydroperoxides. EDITGENE provides comprehensive CRISPR gene editing services to create precisely modified cell models for such investigations.
Contact EDITGENE today to design your custom CRISPR model for response to hydroperoxide research.
Related Products
| Product name | Cat.No. | Species | Gene ID | |
|---|---|---|---|---|
| SP1 Knockout HEK293 Cell Line | EDJ-KQ407 | Human | 6667 | Details Get a Quote |
| CHUK Knockout HEK293 Cell Line | EDJ-KQ556 | Human | 1147 | Details Get a Quote |
| CD38 Knockout HEK293 Cell Line | EDJ-KQ1619 | Human | 952 | Details Get a Quote |
| RNF112 Knockout HEK293 Cell Line | EDJ-KQ6089 | Human | 7732 | Details Get a Quote |
| JAK2 Knockout HEK293 Cell Line | EDJ-KQ17828 | Human | 3717 | Details Get a Quote |
| XRCC1 Knockout HEK293 Cell Line | EDJ-KQ17916 | Human | 7515 | Details Get a Quote |
| SP1 Knockout HCT 116 Cell Line | EDJ-KQ17990 | Human | 6667 | Details Get a Quote |
| CHUK Knockout A-549 Cell Line | EDJ-KQ18927 | Human | 1147 | Details Get a Quote |
| CHUK Knockout HCT 116 Cell Line | EDJ-KQ18928 | Human | 1147 | Details Get a Quote |
| CHUK Knockout HeLa Cell Line | EDJ-KQ18929 | Human | 1147 | Details Get a Quote |
| XRCC1 Knockout A-549 Cell Line | EDJ-KQ23023 | Human | 7515 | Details Get a Quote |
| XRCC1 Knockout HCT 116 Cell Line | EDJ-KQ23025 | Human | 7515 | Details Get a Quote |
| XRCC1 Knockout HeLa Cell Line | EDJ-KQ23026 | Human | 7515 | Details Get a Quote |
| SP1 Knockout A-549 Cell Line | EDJ-KQ18661 | Human | 6667 | Details Get a Quote |
| SP1 Knockout HeLa Cell Line | EDJ-KQ18662 | Human | 6667 | Details Get a Quote |
Displaying Records 1 To 15 Of 27 Records
Frequently Asked Questions About response to hydroperoxide
What is GO:0033194 response to hydroperoxide?
GO:0033194 is a Gene Ontology biological process term defined as any process that results in a change in state or activity of a cell or an organism as a result of a hydroperoxide stimulus. Hydroperoxides are monosubstitution products of hydrogen peroxide, HOOH.
What are hydroperoxides?
Hydroperoxides are reactive oxygen species derived from hydrogen peroxide by monosubstitution. They include hydrogen peroxide itself, organic hydroperoxides such as limonene hydroperoxides, and lipid hydroperoxides like linoleic acid hydroperoxide.
What genes are involved in response to hydroperoxide?
Key genes include peroxiredoxins (PRDX1-5), bacterial regulators OhrR and ChrR, and a yeast gene required for G1 arrest in response to linoleic acid hydroperoxide.
How do cells respond to hydroperoxide stress?
Cells sense hydroperoxides, activate transcriptional programs, induce antioxidant enzymes like peroxiredoxins, and may arrest the cell cycle to allow repair and adaptation.
What is the role of peroxiredoxins in hydroperoxide response?
Peroxiredoxins are enzymes that reduce hydroperoxides to water or alcohols, protecting cells from oxidative damage. Their expression is often induced or regulated in response to hydroperoxide stress.
How is response to hydroperoxide studied?
Common methods include RNA-seq for transcriptional profiling, proteomics for protein expression, enzyme activity assays, cell cycle analysis, and redox measurements.
What diseases are linked to hydroperoxide response?
Dysregulated hydroperoxide response is linked to atopic dermatitis, cancer radiation response, allergic contact dermatitis, and bacterial virulence.
Can CRISPR be used to study response to hydroperoxide?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models can be used to dissect gene function in hydroperoxide response pathways.
What is the sigmaE-ChrR system?
The sigmaE-ChrR system is a regulatory pathway in Caulobacter crescentus that mediates the transcriptional response to organic hydroperoxide, singlet oxygen, and UV-A.
Why is response to hydroperoxide important in cancer?
Manipulating hydroperoxide metabolism can improve radiation response in cancer, as tumor cells often have altered redox balance that affects their sensitivity to therapy.
Conclusion
Response to hydroperoxide (GO:0033194) is a conserved and vital biological process that enables cells and organisms to cope with reactive hydroperoxides. It involves sensing, transcriptional reprogramming, antioxidant enzyme induction, and cell cycle adjustments, with peroxiredoxins and regulators like OhrR playing central roles. Dysregulation of this process contributes to diseases such as atopic dermatitis and influences cancer therapy outcomes. Continued research using CRISPR models and multi-omics approaches will further illuminate the mechanisms and therapeutic potential of targeting hydroperoxide response pathways.
References
- 1. Floberg JM et al.. 2019. Manipulation of Glucose and Hydroperoxide Metabolism to Improve Radiation Response.. Semin Radiat Oncol 29(1):33-41 PMID: 30573182
- 2. de Groot A. 2019. Limonene Hydroperoxides.. Dermatitis 30(6):331-335 PMID: 31433385
- 3. Mitsumoto A et al.. 2001. Variants of peroxiredoxins expression in response to hydroperoxide stress.. Free Radic Biol Med 30(6):625-35 PMID: 11295360
- 4. Cao Z et al.. 2007. Mitochondrial peroxiredoxins.. Subcell Biochem 44:295-315 PMID: 18084900
- 5. Previato-Mello M et al.. 2017. Global Transcriptional Response to Organic Hydroperoxide and the Role of OhrR in the Control of Virulence Traits in Chromobacterium violaceum.. Infect Immun 85(8) PMID: 28507067
- 6. Lourenço RF et al.. 2009. The transcriptional response to cadmium, organic hydroperoxide, singlet oxygen and UV-A mediated by the sigmaE-ChrR system in Caulobacter crescentus.. Mol Microbiol 72(5):1159-70 PMID: 19400803
- 7. Alic N et al.. 2001. Identification of a Saccharomyces cerevisiae gene that is required for G1 arrest in response to the lipid oxidation product linoleic acid hydroperoxide.. Mol Biol Cell 12(6):1801-10 PMID: 11408586
- 8. Minzaghi D et al.. 2023. Excessive Production of Hydrogen Peroxide in Mitochondria Contributes to Atopic Dermatitis.. J Invest Dermatol 143(10):1906-1918.e8 PMID: 37085042
