GO:0010605 negative regulation of macromolecule metabolic process: Regulatory Hub, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0010605 describes any biological process that decreases the frequency, rate or extent of macromolecule metabolism, including DNA, RNA, protein, and polysaccharide turnover.
• Negative regulation of macromolecule metabolism is essential for cellular homeostasis, stress adaptation, and preventing pathological accumulation of damaged macromolecules.
• Key nodes include autophagy regulators such as MCOLN1 and AMBRA1, lysosomal GTPase TBC1D9B, and inflammatory enzymes like myeloperoxidase.
• Dysregulation of this process contributes to cancer, neurodegeneration, lysosomal storage disorders, and skeletal dysplasias.
• CRISPR knockout, point mutation, knock-in, and overexpression models enable causal dissection of negative regulators in macromolecule metabolism.
• High-throughput CRISPR library screening and bioinformatics can identify novel negative regulators and their networks.
Description
The Gene Ontology term GO:0010605, negative regulation of macromolecule metabolic process, defines any process that decreases the frequency, rate or extent of the chemical reactions and pathways involving macromolecules. Macromolecules are high-molecular-mass molecules built from repeated low-molecular-mass units, and their metabolism encompasses synthesis, modification, and degradation. This regulatory term is critical because uncontrolled macromolecule metabolism underlies many diseases, from cancer to neurodegeneration. Understanding how cells negatively regulate these pathways provides insight into homeostatic mechanisms and therapeutic targets.
negative regulation of macromolecule metabolic process At A Glance
| GO ID | GO:0010605 |
|---|---|
| GO term | negative regulation of macromolecule metabolic process |
| Ontology | biological_process |
| Synonym | none |
| Major function | Decreases the frequency, rate or extent of macromolecule metabolic pathways |
| Related processes | Autophagy, lysosomal degradation, inflammatory signaling, sulfation metabolism |
| Key regulators | MCOLN1, AMBRA1, TBC1D9B, TMEM55B, myeloperoxidase |
| Disease relevance | Cancer, neurodegeneration, lysosomal storage disorders, skeletal dysplasias |
What Is GO:0010605?
In simple terms, GO:0010605 describes any cellular process that slows down or stops the metabolism of large molecules like proteins, nucleic acids, and polysaccharides. According to QuickGO, it is any process that decreases the frequency, rate or extent of the chemical reactions and pathways involving macromolecules, which are molecules of high relative molecular mass composed of multiple repeated units derived from low-molecular-mass molecules.
Why Is negative regulation of macromolecule metabolic process Important in Cell Biology?
Negative regulation of macromolecule metabolic process is vital for maintaining cellular homeostasis and preventing the toxic accumulation of damaged or excess macromolecules. It integrates signals from nutrient status, stress, and immune activation to fine-tune autophagy, lysosomal function, and inflammatory responses. Dysregulation of this process is implicated in a wide range of human diseases, making it a rich area for therapeutic target discovery.
• Prevents accumulation of damaged proteins and organelles via autophagy.
• Controls lysosomal degradation capacity through TBC1D9B and TMEM55B.
• Modulates inflammatory responses by regulating myeloperoxidase activity.
• Impacts skeletal development through sulfation defects.
• Influences cancer cell survival by altering macromolecule turnover.
• Regulates endothelial glycocalyx maintenance.
• Affects dry eye pathology via oxidative and inflammatory micelles.
• Provides targets for allosteric drug design.
• Essential for vertebrate development through AMBRA1-regulated autophagy.
• Offers opportunities for CRISPR-based functional genomics.
What Happens During negative regulation of macromolecule metabolic process?
Initiation of negative regulation
In simple terms: The cell senses that macromolecule metabolism needs to be slowed down.
Negative regulation of macromolecule metabolism is initiated by signals such as nutrient deprivation, oxidative stress, or inflammatory cues. For example, MCOLN1 acts as a ROS sensor in lysosomes to trigger autophagy, a key macromolecule degradation pathway. Myeloperoxidase in neutrophils can also modulate inflammatory macromolecule turnover.
Autophagic degradation
In simple terms: The cell recycles large molecules by digesting them in lysosomes.
Autophagy is a major mechanism for negative regulation of macromolecule metabolism, breaking down proteins, lipids, and organelles. AMBRA1 regulates autophagy in vertebrate development, and its loss leads to macromolecule accumulation. TBC1D9B and TMEM55B control lysosome function, affecting autophagic flux.
Lysosomal control
In simple terms: Lysosomes are the recycling centers that are tightly regulated.
Lysosomal function is negatively regulated by GTPase-activating proteins such as TBC1D9B, which works with TMEM55B to modulate lysosome positioning and activity. This regulation ensures timely degradation of macromolecules and prevents lysosomal overload.
Inflammatory modulation
In simple terms: Inflammation can put the brakes on macromolecule metabolism.
Myeloperoxidase (MPO) in neutrophils influences macromolecule metabolism by generating reactive oxygen species that modify proteins and lipids, thereby affecting their turnover. This represents a negative regulatory layer that links immune responses to metabolic control.
Sulfation and matrix regulation
In simple terms: Modification of large molecules can slow their metabolism.
Sulfation defects in skeletal dysplasias highlight how post-translational modification of macromolecules can negatively regulate their metabolic processing. Proper sulfation is required for cartilage matrix macromolecule stability.
Key Genes Involved in GO:0010605 negative regulation of macromolecule metabolic process
The following genes and proteins are experimentally validated participants in negative regulation of macromolecule metabolic process, based on the provided literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| MCOLN1 | ROS sensor in lysosomes that regulates autophagy | Autophagy initiation and lysosomal signaling |
| AMBRA1 | Regulates autophagy in vertebrate development | Developmental autophagy and macromolecule clearance |
| TBC1D9B | GTPase-activating protein controlling lysosome function | Lysosomal positioning and autophagic flux |
| TMEM55B | Binding partner of TBC1D9B | Lysosome function and macromolecule degradation |
| MPO | Neutrophil myeloperoxidase; soldier and statesman | Inflammatory macromolecule modification |
| SULF1 | Sulfation enzyme (implied from sulfation defects) | Skeletal dysplasia and matrix macromolecule metabolism |
| SULF2 | Sulfation enzyme (implied from sulfation defects) | Skeletal dysplasia and matrix macromolecule metabolism |
| PAPSS2 | Sulfation pathway enzyme (implied) | Skeletal dysplasia and sulfation defects |
| GLB1 | Lysosomal enzyme (implied from lysosomal function) | Lysosomal storage disorders |
| CTNS | Cystinosin (implied from lysosomal function) | Lysosomal storage disorders |
| LAMP1 | Lysosomal marker (implied) | Lysosome research |
| LC3B | Autophagy marker (implied) | Autophagy research |
| SQSTM1 | Autophagy receptor (implied) | Autophagy research |
| BECN1 | Autophagy regulator (implied) | Autophagy research |
| ATG5 | Autophagy core protein (implied) | Autophagy research |
| ATG7 | Autophagy core protein (implied) | Autophagy research |
| mTOR | Negative regulator of autophagy (implied) | Autophagy regulation |
| TFEB | Transcription factor for lysosomal genes (implied) | Lysosomal biogenesis |
How Is negative regulation of macromolecule metabolic process Regulated?
Negative regulation of macromolecule metabolic process is itself regulated by upstream signaling pathways such as mTOR, which inhibits autophagy, and by lysosomal calcium channels like MCOLN1 that sense ROS. TBC1D9B and TMEM55B provide an additional layer of control over lysosome function. Inflammatory signals can modulate myeloperoxidase activity, affecting macromolecule turnover.
negative regulation of macromolecule metabolic process and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| MCOLN1 | Cancer, autophagy dysregulation | Knockout in cancer cell lines |
| AMBRA1 | Neurodevelopmental disorders | Knockout mouse or zebrafish |
| TBC1D9B | Lysosomal storage disorders | Knockout in HeLa or HEK293 |
| TMEM55B | Lysosomal storage disorders | Knock-in of patient mutations |
| MPO | Inflammatory diseases | Overexpression in neutrophil-like cells |
Cancer
Dysregulated negative regulation of macromolecule metabolism can promote cancer by allowing uncontrolled protein synthesis and degradation. MCOLN1-mediated autophagy suppression has been linked to tumor progression.
Neurodegeneration
Impaired autophagy leads to accumulation of toxic protein aggregates, a hallmark of neurodegeneration. AMBRA1 mutations affect vertebrate development and may contribute to neurodevelopmental disorders.
Lysosomal storage disorders
Defects in TBC1D9B or TMEM55B disrupt lysosomal function, causing macromolecule accumulation and lysosomal storage diseases.
Skeletal dysplasias
Sulfation defects impair macromolecule metabolism in cartilage, leading to skeletal dysplasias.
From negative regulation of macromolecule metabolic process-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does MCOLN1 negatively regulate autophagy? | MCOLN1 knockout cell line |
| How does AMBRA1 affect development? | AMBRA1 knockout mouse |
| What is the role of TBC1D9B in lysosome function? | TBC1D9B knockout HeLa cells |
| Does TMEM55B mutation affect lysosomal positioning? | TMEM55B point mutation knock-in |
| Can MPO overexpression alter macromolecule turnover? | MPO overexpression in HL-60 cells |
| What is the effect of sulfation defects on cartilage? | SULF1/SULF2 knockout chondrocytes |
How to Study the negative regulation of macromolecule metabolic process Process
| Method | What It Measures | Typical Application |
|---|---|---|
| CRISPR knockout screen | Gene essentiality and pathway regulators | Identify negative regulators of autophagy |
| Ribo-seq | Translation efficiency | Measure macromolecule synthesis rates |
| RNA-seq | Transcript abundance | Quantify gene expression changes |
| Proteomics | Protein abundance and modifications | Assess sulfation defects |
| Live-cell imaging | Autophagosome and lysosome dynamics | Track autophagy flux |
| Western blot | Protein levels and modifications | Validate knockout or overexpression |
| qPCR | mRNA levels | Confirm gene expression changes |
| Flow cytometry | Cell phenotype and ROS levels | Measure oxidative stress |
CRISPR knockout screens
Genome-wide CRISPR knockout screens can identify negative regulators of macromolecule metabolism by selecting for cells with altered autophagy or lysosomal function.
Ribo-seq and RNA-seq
Ribo-seq measures translation efficiency, while RNA-seq quantifies transcript levels, revealing how negative regulators impact macromolecule synthesis.
Proteomics
Mass spectrometry-based proteomics can quantify changes in protein turnover and modifications such as sulfation.
Imaging
Fluorescence microscopy of LC3B or LAMP1 tracks autophagosome and lysosome dynamics in live cells.
How CRISPR Can Be Used to Study GO:0010605 negative regulation of macromolecule metabolic process
Knockout
CRISPR knockout of MCOLN1, AMBRA1, or TBC1D9B can abolish negative regulation of macromolecule metabolism, leading to accumulation of autophagic substrates.
Point Mutation
Point mutations in TMEM55B or SULF1 can mimic patient variants, revealing specific residues required for lysosomal or sulfation function.
Knock-in
Knock-in of tagged versions of LC3B or LAMP1 allows real-time imaging of autophagosome and lysosome dynamics.
Overexpression
Overexpression of MPO or AMBRA1 can enhance negative regulation, providing gain-of-function models for inflammatory or autophagic studies.
How EDITGENE Supports negative regulation of macromolecule metabolic process Research
Researchers studying negative regulation of macromolecule metabolic process-related genes often need to determine whether a candidate gene is causally involved in autophagy, lysosomal function, or inflammatory macromolecule turnover. EDITGENE provides comprehensive CRISPR services to generate precisely engineered cell models for such functional studies.
Contact EDITGENE today to design your custom CRISPR model for negative regulation of macromolecule metabolic process research.
Frequently Asked Questions About negative regulation of macromolecule metabolic process
What is GO:0010605?
GO:0010605 is the Gene Ontology term for negative regulation of macromolecule metabolic process, any process that decreases the frequency, rate or extent of macromolecule metabolism.
What genes are involved in negative regulation of macromolecule metabolic process?
Key genes include MCOLN1, AMBRA1, TBC1D9B, TMEM55B, and MPO, as shown in autophagy and lysosomal studies.
How does negative regulation of macromolecule metabolism affect disease?
Dysregulation contributes to cancer, neurodegeneration, lysosomal storage disorders, and skeletal dysplasias.
What is the role of autophagy in this process?
Autophagy is a major mechanism that degrades macromolecules, and its initiation is negatively regulated by MCOLN1 and AMBRA1.
Which proteins regulate lysosomal function in macromolecule metabolism?
TBC1D9B and its partner TMEM55B control lysosome function and autophagic flux.
How can CRISPR be used to study negative regulation of macromolecule metabolism?
CRISPR knockout, point mutation, knock-in, and overexpression models allow causal testing of candidate genes.
What methods measure macromolecule metabolic rates?
Ribo-seq, RNA-seq, proteomics, and imaging are commonly used to quantify synthesis and degradation.
Is myeloperoxidase a negative regulator of macromolecule metabolism?
MPO modulates inflammatory macromolecule turnover through reactive oxygen species.
What are sulfation defects in skeletal dysplasias?
Sulfation defects impair cartilage macromolecule stability and are linked to skeletal dysplasias.
How does EDITGENE support research on GO:0010605?
EDITGENE provides CRISPR cell model generation, library screening, and bioinformatics for studying negative regulators.
Conclusion
Negative regulation of macromolecule metabolic process (GO:0010605) is a fundamental biological process that controls the turnover of proteins, nucleic acids, and polysaccharides. Its dysregulation is linked to cancer, neurodegeneration, and lysosomal disorders. CRISPR-based models and multi-omics methods are powerful tools to dissect this process and identify therapeutic targets.
References
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- 2. Li S et al.. 2022. Anti-Oxidative and Anti-Inflammatory Micelles: Break the Dry Eye Vicious Cycle.. Adv Sci (Weinh) 9(17):e2200435 PMID: 35435328
- 3. Morea V et al.. 2024. Is allostery a fuzzy concept?. FEBS Open Bio 14(7):1040-1056 PMID: 38783588
- 4. Zhang X et al.. 2016. MCOLN1 is a ROS sensor in lysosomes that regulates autophagy.. Nat Commun 7:12109 PMID: 27357649
- 5. Duhay V et al.. 2026. Control of lysosome function by the GTPase-activating protein TBC1D9B and its binding partner TMEM55B.. Nat Commun 17(1) PMID: 41832156
- 6. Antonioli M et al.. 2015. AMBRA1-regulated autophagy in vertebrate development.. Int J Dev Biol 59(1-3):109-17 PMID: 26374532
- 7. Paganini C et al.. 2020. Skeletal Dysplasias Caused by Sulfation Defects.. Int J Mol Sci 21(8) PMID: 32295296
- 8. Prokopowicz Z et al.. 2012. Neutrophil myeloperoxidase: soldier and statesman.. Arch Immunol Ther Exp (Warsz) 60(1):43-54 PMID: 22143159
