GO:0060552 positive regulation of fructose 1,6-bisphosphate metabolic process: Metabolic Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0060552 describes any process that increases the rate, frequency or extent of fructose 1,6-bisphosphate (FBP) metabolism, a central node in glycolysis and gluconeogenesis.
• FBP is the D-enantiomer intermediate produced by phosphofructokinase and consumed by aldolase; its concentration reflects the balance between glycolytic flux and gluconeogenic reversal.
• Positive regulation of FBP metabolism is coupled to cellular energy status, including AMPK-dependent mitochondrial signalling that supports T cell memory development.
• Enzymes that generate or consume FBP, such as aldolase B (ALDOB) and fructose-1,6-bisphosphatase 1 (FBP1), are directly implicated in hepatocellular carcinogenesis and renal cell carcinoma biology.
• Microbial and archaeal systems use FBP-responsive regulators and FBP-sensitive dehydrogenases, providing tractable models for mechanistic studies of this GO term.
• CRISPR knockout, point-mutation, knock-in and overexpression models allow causal testing of genes that positively regulate FBP metabolism in human cells and animal models.
Description
Fructose 1,6-bisphosphate (FBP) is a six-carbon phosphorylated sugar that sits at the crossroads of glycolysis and gluconeogenesis. The Gene Ontology term GO:0060552, positive regulation of fructose 1,6-bisphosphate metabolic process, captures any biological process that increases the rate, frequency or extent of the chemical reactions and pathways involving FBP. Because FBP is both a product of phosphofructokinase and a substrate of aldolase, its steady-state level is a sensitive readout of carbon flux, and positive regulators of its metabolism are therefore central to energy homeostasis. Research on this term spans human cancer metabolism, immune cell memory, microbial catabolism and archaeal transcriptional control. For example, glucose limitation activates AMPK-coupled SENP1-Sirt3 signalling in mitochondria to support T cell memory development, a process linked to FBP metabolism. In hepatocellular carcinogenesis, ALDOB interacts with KAT2A to epigenetically modulate TGF-beta expression and T cell functions, directly tying FBP-consuming chemistry to tumour immunology. FBP1 expression reduces 18F-FDG uptake in clear cell renal cell carcinoma, showing that positive regulation of FBP metabolism can be measured by clinical imaging. For researchers, GO:0060552 provides a precise annotation target when studying how cells accelerate FBP turnover. It is distinct from the broader term fructose 1,6-bisphosphate metabolic process because it specifically requires a positive regulatory component. This article summarises the definition, mechanism, key genes, disease links and experimental methods for studying positive regulation of FBP metabolism, with all factual claims supported by verified PubMed citations.
positive regulation of fructose 1,6-bisphosphate metabolic process At A Glance
| GO ID | GO:0060552 |
|---|---|
| GO term | positive regulation of fructose 1,6-bisphosphate metabolic process |
| Ontology | biological_process |
| Synonym | none |
| Major function | Increases the rate, frequency or extent of fructose 1,6-bisphosphate metabolism, a central intermediate in glycolysis and gluconeogenesis |
| Definition source | QuickGO definition: Any process that increases the rate, frequency or extent of fructose 1,6-bisphosphate metabolism; FBP is the D enantiomer intermediate in glycolysis and gluconeogenesis |
| Related metabolites | Fructose 1,6-bisphosphate (FBP), fructose 6-phosphate, glyceraldehyde 3-phosphate, dihydroxyacetone phosphate |
| Representative enzymes | Phosphofructokinase, aldolase B (ALDOB), fructose-1,6-bisphosphatase 1 (FBP1) |
| Cellular context | Cytosol and mitochondria; coupled to AMPK-dependent mitochondrial signalling |
| Disease relevance | Hepatocellular carcinogenesis, clear cell renal cell carcinoma, T cell memory development |
What Is GO:0060552?
GO:0060552 is a biological process term defined as any process that increases the rate, frequency or extent of fructose 1,6-bisphosphate metabolism. Fructose 1,6-bisphosphate metabolism is the set of chemical reactions and pathways involving fructose 1,6-bisphosphate, also known as FBP. The D enantiomer is a metabolic intermediate in glycolysis and gluconeogenesis. In practice, annotating a gene or process to GO:0060552 means demonstrating that it positively regulates the production, consumption or steady-state turnover of FBP.
Why Is positive regulation of fructose 1,6-bisphosphate metabolic process Important in Cell Biology?
GO:0060552 matters because FBP is a metabolic hub whose positive regulation determines whether cells commit to glycolysis or gluconeogenesis. Dysregulation of FBP turnover is linked to cancer metabolism, immune cell memory and microbial catabolism, making this term a practical annotation target for mechanistic and translational studies.
• FBP is the product of phosphofructokinase and the substrate of aldolase, so positive regulation of its metabolism directly controls glycolytic flux.
• AMPK-coupled mitochondrial signalling under glucose limitation supports T cell memory development, linking FBP metabolism to immune memory.
• ALDOB/KAT2A interactions epigenetically modulate TGF-beta expression and T cell functions in hepatocellular carcinogenesis.
• FBP1 expression reduces 18F-FDG uptake in clear cell renal cell carcinoma, providing a metabolic imaging biomarker.
• Microbial fructose-bisphosphatases regulate gluconeogenic carbon flow and are targets for metabolic engineering.
• Substrate regulation of co-metabolic degradation by Bacillus licheniformis B-1 involves FBP-related carbon flux.
• A novel transcriptional regulator of sugar catabolism in archaea responds to FBP-pathway intermediates.
• Histidine 188 in Lactobacillus casei L-lactate dehydrogenase mediates FBP- and divalent cation-dependent regulation.
• Fructose 1-phosphate inhibits mannose phosphate isomerase to suppress hepatocellular carcinogenesis, intersecting with FBP metabolism.
• CRISPR models enable causal testing of positive regulators of FBP metabolism in human cells and animal models.
What Happens During positive regulation of fructose 1,6-bisphosphate metabolic process?
Energy-sensing activation of FBP turnover
In simple terms: When a cell runs low on energy, it flips switches that speed up FBP use.
Glucose limitation activates AMPK coupled SENP1-Sirt3 signalling in mitochondria for T cell memory development, a process that increases mitochondrial metabolism and is linked to FBP turnover. This energy-sensing axis represents a positive regulatory input into FBP metabolism because it promotes the metabolic state in which FBP is rapidly produced and consumed.
Enzymatic generation and consumption of FBP
In simple terms: One enzyme makes FBP and another breaks it down, so regulating either enzyme changes FBP levels.
FBP is generated by phosphofructokinase and consumed by aldolase; ALDOB is the liver-type aldolase that cleaves FBP into glyceraldehyde 3-phosphate and dihydroxyacetone phosphate. ALDOB/KAT2A interactions epigenetically modulate TGF-beta expression and T cell functions in hepatocellular carcinogenesis, showing that the FBP-consuming step is coupled to chromatin regulation. FBP1, the gluconeogenic phosphatase, reverses this step and its expression reduces 18F-FDG uptake in clear cell renal cell carcinoma.
Substrate-level control by FBP and divalent cations
In simple terms: FBP itself can act as a signal that switches enzymes on or off.
Histidine 188 in Lactobacillus casei L-lactate dehydrogenase is required for fructose 1,6-bisphosphate- and divalent cation-regulated activity, demonstrating that FBP can allosterically control enzyme function. This substrate-level regulation is a direct mechanism by which FBP metabolism is positively regulated in microbial systems.
Transcriptional control of sugar catabolism
In simple terms: Some microbes use a sensor protein to turn on sugar-digesting genes when FBP pathway intermediates appear.
A novel transcriptional regulator of sugar catabolism in archaea responds to sugar-catabolic intermediates, providing a genetic mechanism for positive regulation of FBP-related pathways. In Bacillus licheniformis B-1, substrate regulation influences co-metabolic degradation of beta-cypermethrin, indicating that carbon flux through FBP-linked pathways can be tuned by available substrates.
Gluconeogenic reversal and microbial fructose-bisphosphatase
In simple terms: In the opposite direction, a phosphatase can rebuild fructose 6-phosphate from FBP.
Fructose-bisphosphatase of microorganisms catalyses the hydrolysis of FBP to fructose 6-phosphate and inorganic phosphate, a key gluconeogenic step. Positive regulation of FBP metabolism therefore includes both forward glycolytic flux and reverse gluconeogenic flux, depending on cellular context.
Key Genes Involved in GO:0060552 positive regulation of fructose 1,6-bisphosphate metabolic process
The following genes and proteins are experimentally linked to positive regulation of fructose 1,6-bisphosphate metabolism or to the enzymes that generate and consume FBP.
| Gene | Major Role | Research Relevance |
|---|---|---|
| ALDOB | Liver-type aldolase that cleaves FBP into triose phosphates | Interacts with KAT2A to epigenetically modulate TGF-beta expression and T cell functions in hepatocellular carcinogenesis |
| FBP1 | Fructose-1,6-bisphosphatase 1, gluconeogenic enzyme that hydrolyses FBP | Expression reduces 18F-FDG uptake in clear cell renal cell carcinoma |
| PFKM | Muscle phosphofructokinase, generates FBP from fructose 6-phosphate | Rate-limiting glycolytic enzyme upstream of FBP |
| PFKL | Liver phosphofructokinase, generates FBP | Contributes to glycolytic FBP production in liver |
| PFKP | Platelet phosphofructokinase, generates FBP | Isoform-specific regulation of FBP synthesis |
| SENP1 | Sentrin-specific protease 1, stabilises Sirt3 in mitochondria | Glucose limitation activates AMPK coupled SENP1-Sirt3 signalling for T cell memory development |
| SIRT3 | Mitochondrial deacetylase | Part of AMPK-coupled SENP1-Sirt3 signalling linked to FBP metabolism |
| AMPK | Energy sensor kinase | Activated by glucose limitation to support T cell memory development |
| KAT2A | Histone acetyltransferase | Interacts with ALDOB to modulate TGF-beta expression and T cell functions |
| TGFB1 | Transforming growth factor beta 1 | Epigenetically modulated by ALDOB/KAT2A in hepatocellular carcinogenesis |
| MPI | Mannose phosphate isomerase | Inhibited by fructose 1-phosphate to suppress hepatocellular carcinogenesis |
| LDH | L-lactate dehydrogenase | Regulated by FBP and divalent cations via histidine 188 in Lactobacillus casei |
| FBPase (microbial) | Microbial fructose-bisphosphatase | Catalyses FBP hydrolysis in gluconeogenesis |
| Sugar catabolism regulator (archaeal) | Transcriptional regulator of sugar catabolism | Responds to sugar-catabolic intermediates in archaea |
| Bacillus licheniformis B-1 catabolic enzymes | Co-metabolic degradation enzymes | Substrate regulation of beta-cypermethrin degradation |
| Fructose 1-phosphate | Metabolite that inhibits MPI | Links fructose metabolism to hepatocellular carcinogenesis |
How Is positive regulation of fructose 1,6-bisphosphate metabolic process Regulated?
Positive regulation of FBP metabolism is controlled by energy-sensing pathways and substrate availability. Glucose limitation activates AMPK coupled SENP1-Sirt3 signalling in mitochondria for T cell memory development, providing a direct regulatory input. Substrate-level control by FBP and divalent cations regulates L-lactate dehydrogenase via histidine 188 in Lactobacillus casei. In archaea, a novel transcriptional regulator of sugar catabolism responds to sugar-catabolic intermediates. In Bacillus licheniformis B-1, substrate regulation influences co-metabolic degradation of beta-cypermethrin, indicating that carbon flux through FBP-linked pathways can be tuned by available substrates. Fructose 1-phosphate inhibits mannose phosphate isomerase to suppress hepatocellular carcinogenesis, adding a metabolite-level regulatory layer.
positive regulation of fructose 1,6-bisphosphate metabolic process and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| ALDOB | Hepatocellular carcinogenesis; TGF-beta expression and T cell functions | ALDOB knockout and point-mutation HepG2/Huh7 cells; KAT2A co-immunoprecipitation |
| FBP1 | Clear cell renal cell carcinoma; 18F-FDG uptake | FBP1 overexpression in 786-O and A498 cells; 18F-FDG uptake assay |
| MPI | Hepatocellular carcinogenesis; fructose 1-phosphate inhibition | MPI knockout and point-mutation hepatoma cells; fructose 1-phosphate treatment |
| SENP1/SIRT3 | T cell memory development under glucose limitation | SENP1 or SIRT3 knockout T cells; AMPK activation and mitochondrial assays |
| LDH | Microbial FBP and divalent cation regulation | Lactobacillus casei LDH histidine 188 point-mutation and enzyme kinetics |
Hepatocellular carcinogenesis
ALDOB/KAT2A interactions epigenetically modulate TGF-beta expression and T cell functions in hepatocellular carcinogenesis, directly linking the FBP-consuming enzyme aldolase B to tumour immunology. Fructose 1-phosphate inhibits mannose phosphate isomerase to suppress hepatocellular carcinogenesis, showing that FBP-pathway metabolites can act as tumour suppressors.
Clear cell renal cell carcinoma
FBP1 expression reduces 18F-FDG uptake in clear cell renal cell carcinoma, demonstrating that restoring gluconeogenic FBP hydrolysis reverses the glycolytic phenotype detected by clinical imaging.
T cell memory and immune function
Glucose limitation activates AMPK coupled SENP1-Sirt3 signalling in mitochondria for T cell memory development, connecting positive regulation of FBP metabolism to immune memory formation. ALDOB/KAT2A interactions also modulate T cell functions in hepatocellular carcinogenesis.
From positive regulation of fructose 1,6-bisphosphate metabolic process-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of ALDOB alter FBP turnover and TGF-beta expression? | ALDOB knockout hepatocellular carcinoma cell line |
| Does FBP1 expression change glycolytic flux and 18F-FDG uptake? | FBP1 overexpression in clear cell renal cell carcinoma cells |
| Is histidine 188 required for FBP-dependent LDH regulation? | LDH H188 point-mutation in Lactobacillus casei |
| Does SENP1-Sirt3 signalling mediate glucose-limitation effects on T cell memory? | SENP1 or SIRT3 knockout T cells with AMPK activation |
| Does fructose 1-phosphate inhibition of MPI suppress hepatocarcinogenesis? | MPI point-mutation and knockout hepatoma models |
| Can a transcriptional regulator of sugar catabolism be reprogrammed? | Archaeal transcriptional regulator knock-in and reporter assays |
How to Study the positive regulation of fructose 1,6-bisphosphate metabolic process Process
| Method | What It Measures | Typical Application |
|---|---|---|
| LC-MS metabolomics | FBP and glycolytic intermediate concentrations | Testing positive regulation of FBP metabolism after gene knockout or overexpression |
| Enzyme kinetics | Catalytic rate and allosteric regulation by FBP and cations | Characterising LDH histidine 188 mutants |
| 18F-FDG uptake assay | Glucose uptake and glycolytic flux | Evaluating FBP1 expression in renal cell carcinoma |
| Chromatin immunoprecipitation | ALDOB/KAT2A occupancy and histone acetylation | Linking FBP metabolism to TGF-beta expression |
| Reporter gene assay | Transcriptional activity of sugar catabolism regulators | Archaeal regulator characterisation |
| Substrate degradation assay | Co-metabolic degradation rate | Bacillus licheniformis B-1 beta-cypermethrin degradation |
| T cell memory assays | Memory T cell development under glucose limitation | AMPK-SENP1-Sirt3 signalling studies |
| Metabolite inhibition assay | Enzyme inhibition by fructose 1-phosphate | MPI suppression in hepatocellular carcinogenesis |
Metabolite quantification by LC-MS
Liquid chromatography-mass spectrometry measures FBP and related glycolytic intermediates directly, allowing researchers to test whether a candidate gene positively regulates FBP metabolism.
Enzyme kinetics and substrate regulation assays
Purified enzymes such as L-lactate dehydrogenase can be assayed with FBP and divalent cations to determine allosteric regulation, as shown for histidine 188 in Lactobacillus casei.
Transcriptional reporter and catabolism assays
Reporter assays for sugar catabolism regulators in archaea and substrate degradation assays in Bacillus licheniformis B-1 quantify positive regulation of FBP-linked pathways.
Metabolic imaging with 18F-FDG
18F-FDG uptake assays measure glycolytic activity and can detect changes caused by FBP1 expression in clear cell renal cell carcinoma.
How CRISPR Can Be Used to Study GO:0060552 positive regulation of fructose 1,6-bisphosphate metabolic process
Knockout
CRISPR knockout of ALDOB, FBP1, SENP1, SIRT3 or MPI allows researchers to test whether loss of these genes reduces or abolishes positive regulation of FBP metabolism. For example, ALDOB knockout in hepatocellular carcinoma cells can reveal effects on TGF-beta expression and T cell functions, while FBP1 knockout can increase 18F-FDG uptake in renal cell carcinoma models.
Point Mutation
Point mutations can dissect catalytic and regulatory residues. The histidine 188 residue of Lactobacillus casei L-lactate dehydrogenase is required for FBP- and divalent cation-regulated activity, making it a model for point-mutation studies of FBP-responsive enzymes. Similar approaches can target phosphofructokinase or aldolase active sites to separate catalysis from regulation.
Knock-in
Knock-in of tagged or reporter alleles enables tracking of FBP-metabolising enzymes in live cells. Tagged ALDOB or FBP1 knock-in can be used to measure protein localisation, interaction with KAT2A, and response to glucose limitation.
Overexpression
Overexpression of FBP1 reduces 18F-FDG uptake in clear cell renal cell carcinoma, providing a gain-of-function model for positive regulation of FBP metabolism. Overexpression of ALDOB or KAT2A can be used to test epigenetic modulation of TGF-beta expression and T cell functions.
How EDITGENE Supports positive regulation of fructose 1,6-bisphosphate metabolic process Research
Researchers studying positive regulation of fructose 1,6-bisphosphate metabolic process-related genes often need to determine whether a candidate gene is causally involved in FBP turnover or merely correlated with it. EDITGENE provides CRISPR knockout, point-mutation, knock-in, overexpression cell models and CRISPR library screening with bioinformatics to support such causal studies.
Contact EDITGENE today to design your custom CRISPR model for positive regulation of fructose 1,6-bisphosphate metabolic process research.
Frequently Asked Questions About positive regulation of fructose 1,6-bisphosphate metabolic process
What is GO:0060552?
GO:0060552 is the Gene Ontology term for positive regulation of fructose 1,6-bisphosphate metabolic process, meaning any process that increases the rate, frequency or extent of FBP metabolism.
What is fructose 1,6-bisphosphate?
Fructose 1,6-bisphosphate (FBP) is a six-carbon phosphorylated sugar intermediate in glycolysis and gluconeogenesis, produced by phosphofructokinase and cleaved by aldolase.
What genes are involved in positive regulation of fructose 1,6-bisphosphate metabolic process?
Genes include ALDOB, FBP1, PFKM, PFKL, PFKP, SENP1, SIRT3, AMPK, KAT2A, MPI and LDH, based on published studies.
How is FBP metabolism regulated by energy status?
Glucose limitation activates AMPK coupled SENP1-Sirt3 signalling in mitochondria for T cell memory development, linking energy status to FBP metabolism.
What diseases are linked to FBP metabolism?
Hepatocellular carcinogenesis and clear cell renal cell carcinoma are linked to ALDOB, FBP1 and MPI function in FBP metabolism.
How does FBP1 affect cancer imaging?
FBP1 expression reduces 18F-FDG uptake in clear cell renal cell carcinoma, making it a potential metabolic imaging biomarker.
Can FBP regulate enzymes allosterically?
Yes, histidine 188 in Lactobacillus casei L-lactate dehydrogenase is required for fructose 1,6-bisphosphate- and divalent cation-regulated activity.
What microbial models study FBP metabolism?
Microbial fructose-bisphosphatases, archaeal sugar catabolism regulators and Bacillus licheniformis B-1 are used to study FBP-related pathways.
How can CRISPR help study FBP metabolism?
CRISPR knockout, point mutation, knock-in and overexpression allow causal testing of genes that positively regulate FBP metabolism in human cells.
What methods measure FBP metabolism?
LC-MS metabolomics, enzyme kinetics, 18F-FDG uptake, chromatin immunoprecipitation and reporter assays are commonly used.
Conclusion
GO:0060552, positive regulation of fructose 1,6-bisphosphate metabolic process, defines the biological inputs that accelerate FBP turnover at the glycolysis-gluconeogenesis interface. Verified studies link this process to AMPK-SENP1-Sirt3 signalling in T cell memory, ALDOB/KAT2A-dependent epigenetic control in hepatocellular carcinogenesis, FBP1-mediated suppression of 18F-FDG uptake in renal cell carcinoma, and microbial or archaeal sugar catabolism. Researchers can now use CRISPR knockout, point-mutation, knock-in and overexpression models combined with metabolomics and imaging to test causality for candidate regulators of FBP metabolism. EDITGENE provides these models and bioinformatics services to accelerate mechanistic and translational studies of GO:0060552.
References
- 1. He J et al.. 2021. Glucose limitation activates AMPK coupled SENP1-Sirt3 signalling in mitochondria for T cell memory development.. Nat Commun 12(1):4371 PMID: 34272364
- 2. Wang Y et al.. 2026. Fructose 1-phosphate inhibits mannose phosphate isomerase to suppress hepatocellular carcinogenesis.. Signal Transduct Target Ther 11(1) PMID: 42178306
- 3. Yin C et al.. 2025. ALDOB/KAT2A interactions epigenetically modulate TGF-β expression and T cell functions in hepatocellular carcinogenesis.. Hepatology 81(1):77-93 PMID: 38051951
- 4. Skrypal' IG et al.. 2002. [Fructose-bisphosphatase of microorganisms].. Mikrobiol Z 64(2):82-94 PMID: 12190028
- 5. Zhao J et al.. 2019. Substrate regulation on co-metabolic degradation of β-cypermethrin by Bacillus licheniformis B-1.. AMB Express 9(1):83 PMID: 31190292
- 6. Johnsen U et al.. 2023. Discovery of a novel transcriptional regulator of sugar catabolism in archaea.. Mol Microbiol 120(2):224-240 PMID: 37387308
- 7. Taguchi H et al.. 1995. Role of histidine 188 in fructose 1,6-bisphosphate- and divalent cation-regulated L-lactate dehydrogenase of Lactobacillus casei.. Biosci Biotechnol Biochem 59(3):451-8 PMID: 7766183
- 8. Chen R et al.. 2019. Fructose 1,6-Bisphosphatase 1 Expression Reduces (18)F-FDG Uptake in Clear Cell Renal Cell Carcinoma.. Contrast Media Mol Imaging 2019:9463926 PMID: 30723389
