GO:0010795 regulation of ubiquinone biosynthetic process: Metabolic Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0010795 describes any process that modulates the frequency, rate or extent of ubiquinone (coenzyme Q) biosynthesis, a lipid-soluble electron carrier essential for mitochondrial respiration and antioxidant defense.
• Ubiquinone biosynthesis is regulated at transcriptional, post-transcriptional and metabolic levels, and its dysregulation is linked to ferroptosis sensitivity, hypoxia injury and liver metabolic disease [1,4,7].
• The FSP1-CoQ10 axis acts as a glutathione-independent ferroptosis suppressor, making regulation of ubiquinone biosynthesis a key determinant of cell death resistance [2,5].
• STARD7 controls intracellular coenzyme Q transport, connecting mitochondrial regulation of ubiquinone biosynthesis to ferroptotic resistance.
• CoQ imbalance can drive reverse electron transport and disrupt liver metabolism, highlighting the physiological importance of tight regulation.
• CRISPR knockout, point-mutation, knock-in and overexpression models are powerful tools to dissect causal roles of regulators of ubiquinone biosynthesis [4,6,7].
Description
Ubiquinone, also known as coenzyme Q (CoQ), is a lipid-soluble electron-transporting coenzyme that is indispensable for mitochondrial oxidative phosphorylation and for protecting membranes from oxidative damage. The Gene Ontology term GO:0010795, regulation of ubiquinone biosynthetic process, captures any process that modulates the frequency, rate or extent of ubiquinone biosynthesis. Because ubiquinone sits at the intersection of energy metabolism, redox homeostasis and cell death, understanding how its biosynthesis is regulated has become a central question in mitochondrial biology and disease research [1,3]. Recent studies have shown that ubiquinone biosynthesis is not a constitutive housekeeping pathway but is dynamically controlled in response to hypoxia, metabolic stress and lipid peroxidation [4,7]. For example, chronic hypoxia-induced hypermethylation of Cirbp attenuates hypothermic cardioprotection by down-regulating ubiquinone biosynthesis, directly linking epigenetic regulation to CoQ levels. In parallel, the FSP1-CoQ10 axis has emerged as a glutathione-independent ferroptosis suppressor, demonstrating that regulation of ubiquinone biosynthesis can determine whether a cell survives lipid peroxidation stress [2,5]. For researchers, GO:0010795 provides a structured framework to annotate and interrogate the regulatory layers that control CoQ production. This article reviews the definition, mechanistic stages, key genes, disease relevance and experimental strategies, including CRISPR-based models, for studying regulation of ubiquinone biosynthetic process [3,6,7].
regulation of ubiquinone biosynthetic process At A Glance
| GO ID | GO:0010795 |
|---|---|
| GO term | regulation of ubiquinone biosynthetic process |
| Ontology | biological_process |
| Synonym | none |
| Major function | Modulates the frequency, rate or extent of ubiquinone (coenzyme Q) biosynthesis |
| Definition source | QuickGO definition: any process that modulates the frequency, rate or extent of ubiquinone biosynthesis |
| Related process | Ubiquinone biosynthetic process (the regulated process) |
| Disease relevance | Ferroptosis, hypoxia injury, liver metabolic disease [1,2,4,7] |
| Key regulators | FSP1, STARD7, Cirbp, CoQ biosynthesis enzymes [2,4,6] |
What Is GO:0010795?
GO:0010795, regulation of ubiquinone biosynthetic process, is a biological process term defined as any process that modulates the frequency, rate or extent of ubiquinone biosynthesis. Ubiquinone biosynthesis consists of the chemical reactions and pathways resulting in the formation of ubiquinone, a lipid-soluble electron-transporting coenzyme. In practical terms, this term covers regulatory inputs, such as transcriptional control, post-transcriptional regulation, metabolic feedback and transport-mediated modulation, that set the pace and capacity of CoQ production [3,4,6].
Why Is regulation of ubiquinone biosynthetic process Important in Cell Biology?
Regulation of ubiquinone biosynthetic process is important because ubiquinone is required for mitochondrial electron transport, antioxidant protection and ferroptosis suppression, and its dysregulation contributes to diverse pathologies including ischemia-reperfusion injury, metabolic liver disease and cancer cell death resistance [1,2,4,7]. Understanding GO:0010795 helps researchers identify therapeutic nodes that can be targeted to restore or inhibit CoQ production in disease contexts [3,7].
• Ubiquinone is essential for mitochondrial respiration and ATP production, so its regulation directly impacts cellular energy status.
• The FSP1-CoQ10 axis suppresses ferroptosis independently of glutathione, making ubiquinone biosynthesis regulation a key determinant of cell death sensitivity.
• FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation and ferroptosis, linking ubiquinone regulation to lipid metabolism.
• STARD7 regulates intracellular coenzyme Q transport and ferroptotic resistance, showing that transport and biosynthesis regulation are coupled.
• Chronic hypoxia-induced Cirbp hypermethylation down-regulates ubiquinone biosynthesis and attenuates hypothermic cardioprotection.
• CoQ imbalance drives reverse electron transport and disrupts liver metabolism, highlighting systemic metabolic consequences.
• The polar oxy-metabolome reveals a 4-hydroxymandelate CoQ10 synthesis pathway, expanding known routes of ubiquinone production.
• Mitochondrial regulation of ferroptosis depends on ubiquinone-related redox chemistry, connecting GO:0010795 to cell death pathways.
• Regulation of ubiquinone biosynthesis is relevant to neurodegeneration, cardiovascular disease and cancer, where CoQ levels are altered [3,4].
• CRISPR-based models enable causal testing of candidate regulators of ubiquinone biosynthesis in human cells [4,6,7].
What Happens During regulation of ubiquinone biosynthetic process?
Transcriptional and epigenetic control of CoQ biosynthesis genes
In simple terms: Cells can turn CoQ production up or down by changing how often the instructions for making CoQ are read.
Regulation of ubiquinone biosynthetic process begins with transcriptional and epigenetic control of the genes encoding CoQ biosynthetic enzymes. Chronic hypoxia-induced Cirbp hypermethylation attenuates hypothermic cardioprotection via down-regulation of ubiquinone biosynthesis, demonstrating that DNA methylation changes can directly reduce CoQ production capacity. This layer of regulation sets the baseline biosynthetic capacity of the cell [3,4].
Post-transcriptional and transport-mediated regulation
In simple terms: Even after the instructions are made, the cell can control how the CoQ-making machinery is moved and used.
STARD7 regulates intracellular coenzyme Q transport and ferroptotic resistance, indicating that post-transcriptional and transport-mediated mechanisms modulate ubiquinone availability. Mitochondria regulate intracellular coenzyme Q transport, and this regulation is coupled to ferroptotic resistance, showing that spatial control of CoQ is part of GO:0010795. These mechanisms ensure that ubiquinone is delivered to the right membranes at the right time.
Metabolic feedback and CoQ imbalance
In simple terms: When CoQ levels go wrong, the cell's metabolism can react in ways that cause further problems.
CoQ imbalance drives reverse electron transport to disrupt liver metabolism, illustrating that loss of regulation of ubiquinone biosynthetic process can have systemic metabolic consequences. This feedback loop connects ubiquinone levels to mitochondrial reverse electron transport and liver function. Such metabolic feedback is a core feature of the regulation captured by GO:0010795.
Redox and ferroptosis-linked regulation
In simple terms: CoQ helps stop a type of cell death called ferroptosis, so controlling CoQ production controls cell survival.
FSP1 is a glutathione-independent ferroptosis suppressor that uses CoQ10 to prevent lipid peroxidation. FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation and ferroptosis, further linking regulation of ubiquinone biosynthesis to redox homeostasis. Mitochondrial regulation of ferroptosis also depends on ubiquinone-related chemistry, making GO:0010795 a determinant of ferroptosis sensitivity.
Alternative biosynthetic routes and pathway flexibility
In simple terms: Cells can make CoQ building blocks through more than one route, which adds flexibility to regulation.
The polar oxy-metabolome reveals the 4-hydroxymandelate CoQ10 synthesis pathway, expanding the known biochemical routes that contribute to ubiquinone production. This pathway flexibility means that regulation of ubiquinone biosynthetic process can occur at multiple metabolic entry points. Understanding these routes helps interpret how cells maintain CoQ under stress.
Key Genes Involved in GO:0010795 regulation of ubiquinone biosynthetic process
The following genes and proteins are experimentally implicated in the regulation of ubiquinone biosynthetic process and its downstream biology.
| Gene | Major Role | Research Relevance |
|---|---|---|
| FSP1 (AIFM2) | Glutathione-independent ferroptosis suppressor using CoQ10 | Target for ferroptosis resistance studies |
| STARD7 | Regulates intracellular coenzyme Q transport and ferroptotic resistance | Links CoQ transport to cell death |
| Cirbp | Hypoxia-induced hypermethylation down-regulates ubiquinone biosynthesis | Epigenetic regulator of CoQ under hypoxia |
| COQ2 | CoQ biosynthesis enzyme (polyprenyltransferase) | Core biosynthetic node for regulation studies |
| COQ3 | CoQ biosynthesis enzyme (O-methyltransferase) | Candidate for knockout and point-mutation models |
| COQ4 | CoQ biosynthesis enzyme, scaffold function | Relevant to CoQ deficiency models |
| COQ5 | CoQ biosynthesis enzyme (C-methyltransferase) | Target for metabolic flux analysis |
| COQ6 | CoQ biosynthesis enzyme (monooxygenase) | Linked to CoQ deficiency and nephropathy |
| COQ7 | CoQ biosynthesis enzyme (hydroxylase) | Key regulatory node in CoQ synthesis |
| COQ8A | CoQ biosynthesis regulator (kinase-like) | Candidate for knock-in and overexpression |
| COQ8B | CoQ biosynthesis regulator (kinase-like) | Relevant to steroid-resistant nephrotic syndrome |
| COQ9 | CoQ biosynthesis enzyme, lipid-binding | Model for CoQ deficiency |
| COQ10A | CoQ biosynthesis enzyme | Target for functional validation |
| COQ10B | CoQ biosynthesis enzyme | Target for functional validation |
| PDSS1 | Decaprenyl diphosphate synthase subunit | Upstream regulator of CoQ synthesis |
| PDSS2 | Decaprenyl diphosphate synthase subunit | Linked to CoQ deficiency |
| AIFM2/FSP1 | Ferroptosis suppression via CoQ10 [2,5] | Model for lipid peroxidation studies [2,5] |
How Is regulation of ubiquinone biosynthetic process Regulated?
Regulation of ubiquinone biosynthetic process is itself controlled by multiple inputs. Chronic hypoxia-induced Cirbp hypermethylation down-regulates ubiquinone biosynthesis, showing epigenetic control. STARD7 regulates intracellular coenzyme Q transport, adding a transport-dependent layer. CoQ imbalance drives reverse electron transport to disrupt liver metabolism, indicating metabolic feedback. FSP1 and lipid droplet quality control further modulate the redox consequences of CoQ availability [2,5].
regulation of ubiquinone biosynthetic process and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| FSP1 (AIFM2) | Ferroptosis resistance in cancer | Knockout and overexpression cell models |
| Cirbp | Hypoxia-induced cardioprotection loss | Point-mutation and knockout models |
| STARD7 | CoQ transport and ferroptotic resistance | Knock-in and tagged knock-in models |
| COQ7 | CoQ deficiency and mitochondrial disease | Knockout and point-mutation models |
| COQ2 | CoQ deficiency syndromes | Knock-in and overexpression models |
Ferroptosis and cancer cell death resistance
FSP1 is a glutathione-independent ferroptosis suppressor that depends on CoQ10, so regulation of ubiquinone biosynthetic process directly influences ferroptosis sensitivity in cancer cells. FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation and ferroptosis, linking GO:0010795 to lipid metabolism and cell death. Mitochondrial regulation of ferroptosis also involves ubiquinone-related redox chemistry.
Hypoxia, cardioprotection and ischemia-reperfusion
Chronic hypoxia-induced Cirbp hypermethylation attenuates hypothermic cardioprotection via down-regulation of ubiquinone biosynthesis, demonstrating that impaired regulation of CoQ production worsens cardiac injury. This connects GO:0010795 to ischemia-reperfusion and cardioprotective strategies.
Liver metabolic disease and CoQ imbalance
CoQ imbalance drives reverse electron transport to disrupt liver metabolism, showing that loss of regulation of ubiquinone biosynthetic process can cause systemic metabolic dysfunction. This positions GO:0010795 as a node in metabolic liver disease research.
CoQ deficiency and mitochondrial disease
Ubiquinone biosynthesis is essential for mitochondrial respiration, and its dysregulation is linked to mitochondrial disease and CoQ deficiency syndromes. The 4-hydroxymandelate CoQ10 synthesis pathway further expands the metabolic routes relevant to disease.
From regulation of ubiquinone biosynthetic process-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Is a candidate gene required for ubiquinone biosynthesis? | CRISPR knockout cell model [4,6,7] |
| Does a specific amino acid change alter CoQ regulation? | CRISPR point-mutation model [4,6] |
| Does a disease-associated variant affect CoQ levels? | CRISPR knock-in model [4,6] |
| Where does a regulator localize within the cell? | Tagged knock-in model |
| Does increased expression of a regulator enhance CoQ production? | CRISPR overexpression model [2,7] |
| Which pathways depend on CoQ regulation? | CRISPR library screening and bioinformatics [1,5] |
How to Study the regulation of ubiquinone biosynthetic process Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Metabolomics (LC-MS) | Ubiquinone and precursor levels | Quantifying CoQ biosynthesis flux |
| CRISPR knockout screening | Gene requirement for CoQ regulation [1,2] | Identifying regulators of ubiquinone biosynthesis [1,2] |
| Lipid peroxidation imaging | Ferroptosis and lipid ROS | Assessing downstream effects of CoQ regulation |
| RNA-seq | Transcript levels of CoQ genes | Transcriptional regulation studies |
| Methylation analysis | Epigenetic changes at CoQ gene loci | Hypoxia-induced regulation studies |
| Proteomics | Protein abundance of CoQ enzymes | Transport and biosynthesis coupling |
| Seahorse respirometry | Mitochondrial respiration | Functional impact of CoQ regulation |
| Bioinformatics pathway analysis | Pathway enrichment of CoQ regulators | Systems-level interpretation |
Metabolomics and CoQ quantification
Mass spectrometry-based metabolomics can quantify ubiquinone and its precursors to assess regulation of ubiquinone biosynthetic process. The polar oxy-metabolome approach revealed the 4-hydroxymandelate CoQ10 synthesis pathway, demonstrating the power of metabolomic profiling.
CRISPR screening and functional genomics
CRISPR library screening can identify genes that modulate ubiquinone biosynthesis and ferroptosis sensitivity [1,2]. FSP1 was identified as a glutathione-independent ferroptosis suppressor through such functional approaches.
Imaging and lipid peroxidation assays
Lipid peroxidation imaging and lipid droplet quality control assays can measure the downstream consequences of altered ubiquinone regulation. FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation, providing a readout for GO:0010795 activity.
Transcriptomics and epigenomics
RNA-seq and methylation analysis can reveal transcriptional and epigenetic control of CoQ biosynthesis genes. Chronic hypoxia-induced Cirbp hypermethylation was discovered through such approaches.
How CRISPR Can Be Used to Study GO:0010795 regulation of ubiquinone biosynthetic process
Knockout
CRISPR knockout of candidate regulators such as FSP1, STARD7 or COQ genes can test whether they are required for regulation of ubiquinone biosynthetic process [2,4,6]. Knockout models reveal loss-of-function phenotypes in CoQ levels and ferroptosis sensitivity [2,6].
Point Mutation
CRISPR point mutation can introduce specific amino acid changes to dissect catalytic or regulatory residues in CoQ pathway proteins [4,6]. This approach helps distinguish enzymatic activity from regulatory function [4,6].
Knock-in
CRISPR knock-in of disease-associated variants or tags allows precise modeling of how sequence changes affect regulation of ubiquinone biosynthetic process [4,6]. Tagged knock-in enables localization and interaction studies.
Overexpression
CRISPR overexpression of regulators such as FSP1 or CoQ enzymes can test whether increased dosage enhances CoQ production or ferroptosis resistance [2,7]. Overexpression models complement knockout studies for causal inference [2,7].
How EDITGENE Supports regulation of ubiquinone biosynthetic process Research
Researchers studying regulation of ubiquinone biosynthetic process-related genes often need to determine whether a candidate gene is causally involved in CoQ production, ferroptosis resistance or metabolic disease. EDITGENE provides publication-ready CRISPR cell models and screening services to answer these questions with rigor and reproducibility.
Contact EDITGENE today to design your custom CRISPR model for regulation of ubiquinone biosynthetic process research.
Frequently Asked Questions About regulation of ubiquinone biosynthetic process
What is GO:0010795 regulation of ubiquinone biosynthetic process?
GO:0010795 is a biological process term defined as any process that modulates the frequency, rate or extent of ubiquinone biosynthesis, where ubiquinone is a lipid-soluble electron-transporting coenzyme.
What genes are involved in regulation of ubiquinone biosynthetic process?
Key genes include FSP1, STARD7, Cirbp and COQ family enzymes such as COQ2, COQ3, COQ7 and COQ8A [2,3,4,6].
Why is ubiquinone biosynthesis regulation important for ferroptosis?
FSP1 uses CoQ10 as a glutathione-independent ferroptosis suppressor, so regulation of ubiquinone biosynthesis determines lipid peroxidation resistance [2,5].
How does hypoxia affect ubiquinone biosynthesis?
Chronic hypoxia-induced Cirbp hypermethylation attenuates hypothermic cardioprotection via down-regulation of ubiquinone biosynthesis.
What is the role of STARD7 in coenzyme Q regulation?
STARD7 regulates intracellular coenzyme Q transport and ferroptotic resistance, coupling transport to biosynthesis regulation.
Can CoQ imbalance affect liver metabolism?
Yes, CoQ imbalance drives reverse electron transport to disrupt liver metabolism.
What experimental models are used to study GO:0010795?
CRISPR knockout, point-mutation, knock-in and overexpression cell models, together with metabolomics and screening, are commonly used [2,4,6,7].
What is the 4-hydroxymandelate CoQ10 synthesis pathway?
It is an alternative CoQ10 synthesis route revealed by polar oxy-metabolome profiling.
How does FSP1-mediated lipid droplet quality control relate to ubiquinone?
FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation and ferroptosis, linking ubiquinone regulation to lipid metabolism.
What services does EDITGENE offer for ubiquinone biosynthesis research?
EDITGENE offers CRISPR knockout, point-mutation, knock-in, overexpression, library screening and bioinformatics services for GO:0010795-related studies [2,4,6,7].
Conclusion
GO:0010795 regulation of ubiquinone biosynthetic process is a critical biological process that controls CoQ production, mitochondrial function and ferroptosis sensitivity [1,2,3]. Its dysregulation is implicated in hypoxia injury, liver metabolic disease and cancer cell death resistance [4,7]. CRISPR-based models and multi-omics approaches provide powerful tools to dissect the causal regulators of this process [2,6,7].
References
- 1. Gan B. 2021. Mitochondrial regulation of ferroptosis.. J Cell Biol 220(9) PMID: 34328510
- 2. Doll S et al.. 2019. FSP1 is a glutathione-independent ferroptosis suppressor.. Nature 575(7784):693-698 PMID: 31634899
- 3. Dallner G et al.. 2000. Regulation of ubiquinone metabolism.. Free Radic Biol Med 29(3-4):285-94 PMID: 11035257
- 4. Liu Y et al.. 2019. Chronic hypoxia-induced Cirbp hypermethylation attenuates hypothermic cardioprotection via down-regulation of ubiquinone biosynthesis.. Sci Transl Med 11(489) PMID: 31019028
- 5. Lange M et al.. 2025. FSP1-mediated lipid droplet quality control prevents neutral lipid peroxidation and ferroptosis.. Nat Cell Biol 27(11):1902-1913 PMID: 41162632
- 6. Deshwal S et al.. 2023. Mitochondria regulate intracellular coenzyme Q transport and ferroptotic resistance via STARD7.. Nat Cell Biol 25(2):246-257 PMID: 36658222
- 7. Goncalves RLS et al.. 2025. CoQ imbalance drives reverse electron transport to disrupt liver metabolism.. Nature 643(8073):1057-1065 PMID: 40437093
- 8. Banh RS et al.. 2021. The polar oxy-metabolome reveals the 4-hydroxymandelate CoQ10 synthesis pathway.. Nature 597(7876):420-425 PMID: 34471290
