GO:0090070 positive regulation of ribosome biogenesis: Protein Synthesis Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0090070 describes any process that increases the rate, frequency or extent of ribosome biogenesis, the biosynthesis and assembly of ribosomal subunits.
• Ribosome biogenesis is a major biosynthetic burden and its positive regulation supports cell growth, hypertrophy and proliferation.
• Exercise and nutrient signals reprogram ribosome biogenesis in skeletal muscle through genetic and epigenetic mechanisms.
• Dysregulated positive regulation of ribosome biogenesis contributes to cancer progression, including lung adenocarcinoma and thyroid cancer.
• Autophagy-related proteins such as TFEB and SQSTM1 coordinate ribosome availability with ribophagy during starvation.
• CRISPR knockout, point mutation, knock-in and overexpression models allow causal testing of regulators of ribosome biogenesis.
Description
GO:0090070, positive regulation of ribosome biogenesis, is a Gene Ontology biological process term that captures any process which increases the rate, frequency or extent of ribosome biogenesis. Ribosome biogenesis itself is the cellular process that produces the constituent macromolecules of ribosomes, assembles them, and arranges the parts of ribosomal subunits. Because ribosomes are the machines that translate mRNA into protein, positive regulation of their production is tightly coupled to cell growth, proliferation and metabolic state. Researchers study this term to understand how cells match protein synthesis capacity to demand during development, exercise, immune activation and disease. In skeletal muscle, hypertrophy requires a coordinated increase in ribosome biogenesis, and genetic and epigenetic programs control this response to exercise. In cancer, positive regulation of ribosome biogenesis is often hijacked to support rapid proliferation, as shown in lung adenocarcinoma and thyroid cancer models. Inflammatory and autoimmune contexts also depend on biosynthetic programs that intersect with ribosome production. This article integrates the QuickGO definition with verified PubMed literature to provide a research-grade overview of GO:0090070, its mechanisms, key genes, disease links and experimental methods.
positive regulation of ribosome biogenesis At A Glance
| GO ID | GO:0090070 |
|---|---|
| GO term | positive regulation of ribosome biogenesis |
| Ontology | biological_process |
| Synonym | None listed in QuickGO |
| Definition | Any process that increases the rate, frequency or extent of ribosome biogenesis, the biosynthesis and assembly of ribosomal subunits. |
| Major function | Enhances ribosome production to support protein synthesis, cell growth and proliferation. |
| Related processes | Ribosome biogenesis, ribophagy, autophagy, mTOR signaling, skeletal muscle hypertrophy. |
| Disease relevance | Cancer, sarcopenia, autoimmune inflammation, ribosomopathies. |
What Is GO:0090070?
In simple terms, GO:0090070 is the set of processes that speed up or enhance the making of ribosomes. The QuickGO definition states: Any process that increases the rate, frequency or extent of ribosome biogenesis. Ribosome biogenesis is the cellular process that results in the biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of ribosome subunits. This term is a biological process and does not have listed synonyms in the provided QuickGO data. It is distinct from the core ribosome biogenesis process because it specifically covers positive regulation, such as signaling events, transcription factor activity or assembly factor availability that elevate the output of ribosome production.
Why Is positive regulation of ribosome biogenesis Important in Cell Biology?
Positive regulation of ribosome biogenesis is important because it determines the cell's capacity for protein synthesis, which is a prerequisite for growth, proliferation and adaptive responses. In skeletal muscle, hypertrophy requires expansion of the ribosome pool, and exercise triggers genetic and epigenetic changes that increase ribosome biogenesis. In cancer, tumors often upregulate ribosome biogenesis to sustain rapid division, and this process is linked to prognosis and immunotherapy response in lung adenocarcinoma. In thyroid cancer, TERT accelerates dedifferentiation and progression by regulating ribosome biogenesis. Beyond cancer, age-related sarcopenia involves reduced ribosome biogenesis, and probiotic supplementation can attenuate this via the gut-muscle axis. Starvation and autophagy pathways also coordinate ribosome availability through TFEB and SQSTM1, linking ribosome regulation to cellular stress responses. Thus, understanding GO:0090070 provides mechanistic insight into growth control, metabolic disease and therapeutic opportunities.
• Supports skeletal muscle hypertrophy by expanding ribosome capacity.
• Is regulated by exercise through genetic and epigenetic mechanisms.
• Contributes to age-related sarcopenia and can be modulated by probiotics.
• Is a prognostic and immunotherapy-related feature in lung adenocarcinoma.
• Drives thyroid cancer dedifferentiation and progression via TERT.
• Intersects with cullin-based ubiquitination and phosphorylation signaling.
• Is coordinated with autophagy and ribophagy during starvation via TFEB and SQSTM1.
• Links mitochondrial metabolism and inflammatory cytokine production.
• Provides targets for CRISPR-based functional studies.
• Offers biomarkers and therapeutic hypotheses in cancer and muscle disease.
What Happens During positive regulation of ribosome biogenesis?
Signal reception and growth factor signaling
In simple terms: Cells first receive signals that tell them to grow, such as nutrients or exercise-related cues.
Positive regulation of ribosome biogenesis begins with signals that indicate favorable growth conditions. In skeletal muscle, exercise and nutrient availability trigger signaling that increases ribosome production, and this response is controlled by genetic and epigenetic programs. Growth factor and nutrient-sensing pathways converge on transcription factors that activate ribosomal RNA and ribosomal protein genes, thereby raising the rate of ribosome biogenesis. In cancer, oncogenic signals such as TERT can amplify this process to support dedifferentiation and progression.
Transcriptional and epigenetic activation of ribosome genes
In simple terms: The cell turns on the genes needed to build ribosomes.
Once signals are received, transcription of ribosomal RNA and ribosomal protein genes increases. Genetic and epigenetic regulation of skeletal muscle ribosome biogenesis with exercise demonstrates that chromatin and transcriptional changes underlie this activation. This step determines the available pool of ribosomal components and assembly factors. In lung adenocarcinoma, expression programs related to ribosome biogenesis are associated with prognosis and immunotherapy strategies, indicating that transcriptional activation is a key node.
Assembly of ribosomal subunits
In simple terms: The cell assembles the parts into ribosomal subunits.
After transcription, ribosomal RNA is processed and assembled with ribosomal proteins into small and large subunits. Positive regulation increases the efficiency or rate of this assembly. The QuickGO definition explicitly includes biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of ribosome subunits. Autophagy-related proteins such as TFEB and SQSTM1 coordinate ribosome availability with ribophagy during starvation, showing that assembly and degradation are balanced.
Coordination with autophagy and ribophagy
In simple terms: The cell can also recycle ribosomes when nutrients are low.
Positive regulation of ribosome biogenesis is not isolated from degradation pathways. TFEB coordinates autophagosome biogenesis and ribophagy during starvation via SQSTM1, linking ribosome production and turnover. This coordination ensures that cells can adjust ribosome numbers to nutrient status. In autoimmune tissue inflammation, mitochondrial aspartate regulates TNF biogenesis, illustrating how biosynthetic and metabolic pathways intersect with ribosome-related processes.
Protein synthesis output and growth
In simple terms: More ribosomes mean the cell can make more proteins and grow.
The ultimate outcome of positive regulation of ribosome biogenesis is increased protein synthesis capacity, which supports cell growth, hypertrophy and proliferation. In skeletal muscle hypertrophy, molecular mechanisms converge on ribosome production to meet the demand for new proteins. In cancer, this output supports rapid proliferation and is associated with clinical outcomes in lung adenocarcinoma. Thus, the process is a central determinant of biosynthetic capacity.
Key Genes Involved in GO:0090070 positive regulation of ribosome biogenesis
The following genes and proteins are experimentally linked to positive regulation of ribosome biogenesis or its coordination with growth, autophagy and disease.
| Gene | Major Role | Research Relevance |
|---|---|---|
| TERT | Regulates ribosome biogenesis in thyroid cancer | Drives BRAF mutant-induced dedifferentiation and progression |
| TFEB | Coordinates autophagosome biogenesis and ribophagy | Links starvation to ribosome turnover via SQSTM1 |
| SQSTM1 | Mediates ribophagy during starvation | Connects autophagy and ribosome availability |
| MTOR | Central growth signaling node | Regulates ribosome biogenesis in muscle and cancer |
| MYC | Oncogenic transcription factor | Amplifies ribosome biogenesis programs in cancer |
| RPS6KB1 | Ribosomal protein S6 kinase | Downstream of mTOR in growth control |
| RPL | Ribosomal protein large subunit genes | Constituents of ribosome assembly |
| RPS | Ribosomal protein small subunit genes | Constituents of ribosome assembly |
| POLR1 | RNA polymerase I subunits | Transcribe ribosomal RNA |
| POLR3 | RNA polymerase III subunits | Transcribe 5S rRNA and tRNAs |
| UTP | Small subunit processome factors | Ribosomal RNA processing |
| NCL | Nucleolin | Ribosome assembly and rRNA processing |
| FBL | Fibrillarin | rRNA methylation and processing |
| CUL | Cullin-based ubiquitination | Phosphorylation-regulated ubiquitination in tumorigenesis |
| SQSTM1 | Autophagy receptor | Ribophagy and stress response |
| TNF | Inflammatory cytokine | Mitochondrial aspartate regulates its biogenesis |
| SLC25A | Mitochondrial transporters | Aspartate transport and immune metabolism |
How Is positive regulation of ribosome biogenesis Regulated?
Positive regulation of ribosome biogenesis is controlled by nutrient and growth signaling, transcriptional programs and epigenetic changes. In skeletal muscle, exercise induces genetic and epigenetic regulation of ribosome biogenesis, linking mechanical and metabolic cues to ribosomal gene expression. mTOR signaling is a central node that integrates nutrient availability with ribosome production, supporting hypertrophy. In cancer, oncogenic drivers such as TERT can enhance ribosome biogenesis to promote dedifferentiation and progression. Phosphorylation regulates cullin-based ubiquitination in tumorigenesis, providing a mechanism for post-translational control of proteins involved in biosynthetic programs. During starvation, TFEB coordinates autophagosome biogenesis and ribophagy via SQSTM1, balancing ribosome production with degradation. Mitochondrial aspartate regulates TNF biogenesis and autoimmune tissue inflammation, showing that metabolic inputs can influence biosynthetic and inflammatory outputs. Together, these layers ensure that ribosome biogenesis is matched to cellular demand.
positive regulation of ribosome biogenesis and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| TERT | Thyroid cancer dedifferentiation and progression | Knockout or overexpression in thyroid cancer cell lines |
| MYC | Lung adenocarcinoma prognosis and immunotherapy | Knockdown or overexpression in lung cancer models |
| TFEB | Starvation response and ribophagy | Knockout or tagged knock-in in mammalian cells |
| SQSTM1 | Ribophagy and autophagy | Point mutation or knockout in cell lines |
| SLC25A | Autoimmune tissue inflammation | Knockout in immune cells or mouse models |
Cancer
Positive regulation of ribosome biogenesis is frequently upregulated in cancer to support rapid proliferation. In lung adenocarcinoma, ribosome biogenesis features are explored to advance prognostic methods and immunotherapy strategies. In thyroid cancer, TERT accelerates BRAF mutant-induced dedifferentiation and progression by regulating ribosome biogenesis. These findings suggest that targeting ribosome biogenesis regulators could have therapeutic potential. Phosphorylation-dependent cullin-based ubiquitination also contributes to tumorigenesis, adding another layer of regulation.
Sarcopenia and muscle wasting
Age-related sarcopenia involves reduced muscle mass and function, and probiotic supplementation attenuates this via the gut-muscle axis in SAMP8 mice. Skeletal muscle hypertrophy requires positive regulation of ribosome biogenesis, and molecular mechanisms of hypertrophy highlight the importance of ribosome production. Exercise regulates ribosome biogenesis through genetic and epigenetic mechanisms, making it a key intervention target. Thus, maintaining ribosome biogenesis is important for muscle health.
Autoimmune and inflammatory disease
Mitochondrial aspartate regulates TNF biogenesis and autoimmune tissue inflammation, linking metabolic pathways to inflammatory cytokine production. Autophagy-related proteins such as TFEB and SQSTM1 coordinate ribosome turnover during starvation, which may influence immune cell function. These connections suggest that ribosome biogenesis regulation intersects with inflammatory disease mechanisms.
From positive regulation of ribosome biogenesis-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does a candidate gene regulate ribosome biogenesis? | CRISPR knockout cell line |
| Does a specific mutation alter ribosome biogenesis? | Point mutation knock-in |
| Does overexpression drive proliferation? | Overexpression cell model |
| Where does a protein localize during ribosome assembly? | Tagged knock-in with imaging |
| Does a gene affect muscle hypertrophy? | Knockout or overexpression in muscle cells |
| Does a gene influence autophagy-ribosome crosstalk? | Knockout with ribophagy assays |
How to Study the positive regulation of ribosome biogenesis Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Ribo-seq | Translated mRNA fragments | Global translation output |
| RNA-seq | Gene expression levels | Ribosomal gene transcription |
| Proteomics | Protein abundance and interactions | Assembly complex composition |
| Imaging | Subcellular localization | Nucleolar and ribosome dynamics |
| ChIP-seq | Chromatin binding | Epigenetic regulation |
| Polysome profiling | Ribosome-mRNA association | Translation efficiency |
| CRISPR screening | Gene function at scale | Identify regulators of ribosome biogenesis |
Ribosome profiling (Ribo-seq)
Ribo-seq measures translated mRNA fragments and provides a snapshot of protein synthesis. It can be used to assess the output of positive regulation of ribosome biogenesis in cells and tissues. Combining Ribo-seq with genetic perturbations helps determine whether a regulator changes translation capacity.
RNA-seq and transcriptomics
RNA-seq quantifies expression of ribosomal protein genes, rRNA processing factors and signaling components. In skeletal muscle, transcriptomic and epigenetic analyses reveal exercise-induced changes in ribosome biogenesis. In cancer, expression signatures related to ribosome biogenesis are associated with prognosis.
Proteomics and interactomics
Mass spectrometry can identify proteins associated with ribosomal subunits and assembly intermediates. This approach helps map how positive regulators alter the composition of ribosome assembly complexes. Proteomics can also detect post-translational modifications such as phosphorylation that regulate cullin-based ubiquitination.
Imaging and reporter assays
Fluorescence microscopy of tagged ribosomal proteins or nucleolar markers visualizes ribosome assembly and nucleolar dynamics. Tagged knock-in models allow tracking of endogenous proteins during ribophagy and starvation responses. Reporter assays can measure rRNA transcription and processing.
How CRISPR Can Be Used to Study GO:0090070 positive regulation of ribosome biogenesis
Knockout
CRISPR knockout is used to delete candidate regulators of positive regulation of ribosome biogenesis and assess loss-of-function effects on ribosomal gene expression, assembly and proliferation. For example, knocking out TERT or MYC-related factors can reveal their contribution to ribosome biogenesis in cancer cells.
Point Mutation
Point mutation knock-in allows testing of specific amino acid changes that may alter protein function in ribosome biogenesis. This is useful for dissecting phosphorylation sites or disease-associated variants in genes such as SQSTM1 or cullins.
Knock-in
Tagged knock-in introduces epitope or fluorescent tags at endogenous loci to track protein localization and interactions during ribosome assembly and ribophagy. This approach preserves native regulation and is valuable for imaging studies.
Overexpression
Overexpression models test whether increasing a gene's activity is sufficient to enhance ribosome biogenesis and drive phenotypes such as proliferation or hypertrophy. Overexpressing TERT or MYC can mimic oncogenic activation of ribosome biogenesis.
How EDITGENE Supports positive regulation of ribosome biogenesis Research
Researchers studying positive regulation of ribosome biogenesis-related genes often need to determine whether a candidate gene is causally involved in ribosome production, assembly or downstream growth phenotypes. EDITGENE provides CRISPR-based cell model services that enable precise genetic perturbations to test these hypotheses.
Contact EDITGENE today to design your custom CRISPR model for positive regulation of ribosome biogenesis research.
Frequently Asked Questions About positive regulation of ribosome biogenesis
What is GO:0090070 positive regulation of ribosome biogenesis?
GO:0090070 is a Gene Ontology biological process term describing any process that increases the rate, frequency or extent of ribosome biogenesis, the biosynthesis and assembly of ribosomal subunits.
What genes are involved in positive regulation of ribosome biogenesis?
Genes such as TERT, TFEB, SQSTM1, MTOR, MYC and ribosomal protein genes are linked to this process in published studies.
How is ribosome biogenesis regulated in skeletal muscle?
Exercise and nutrient signals regulate ribosome biogenesis through genetic and epigenetic mechanisms, supporting hypertrophy.
Why is ribosome biogenesis important in cancer?
Cancer cells often upregulate ribosome biogenesis to support proliferation, and this is linked to prognosis and immunotherapy in lung adenocarcinoma and thyroid cancer.
What is the role of TFEB in ribosome biogenesis?
TFEB coordinates autophagosome biogenesis and ribophagy during starvation via SQSTM1, linking ribosome turnover to nutrient status.
Can probiotics affect ribosome biogenesis in aging muscle?
Probiotic supplementation attenuates age-related sarcopenia via the gut-muscle axis in SAMP8 mice, suggesting effects on muscle biosynthetic programs.
What methods study positive regulation of ribosome biogenesis?
Ribo-seq, RNA-seq, proteomics, imaging and CRISPR screening are commonly used to study this process.
How does TERT regulate ribosome biogenesis?
TERT accelerates BRAF mutant-induced thyroid cancer dedifferentiation and progression by regulating ribosome biogenesis.
What is the connection between autophagy and ribosome biogenesis?
Autophagy-related proteins coordinate ribosome availability with ribophagy during starvation, balancing production and degradation.
How can CRISPR help study ribosome biogenesis?
CRISPR knockout, point mutation, knock-in and overexpression models allow causal testing of genes involved in ribosome biogenesis.
Conclusion
GO:0090070 positive regulation of ribosome biogenesis is a central biological process that controls protein synthesis capacity and supports growth, proliferation and adaptive responses. Its dysregulation is implicated in cancer, sarcopenia and inflammatory conditions, making it a compelling area for mechanistic and therapeutic research. CRISPR-based models and multi-omics methods provide powerful tools to dissect the regulators and consequences of this process.
References
- 1. Schiaffino S et al.. 2021. Molecular Mechanisms of Skeletal Muscle Hypertrophy.. J Neuromuscul Dis 8(2):169-183 PMID: 33216041
- 2. Figueiredo VC et al.. 2021. Genetic and epigenetic regulation of skeletal muscle ribosome biogenesis with exercise.. J Physiol 599(13):3363-3384 PMID: 33913170
- 3. Chen LH et al.. 2022. Probiotic supplementation attenuates age-related sarcopenia via the gut-muscle axis in SAMP8 mice.. J Cachexia Sarcopenia Muscle 13(1):515-531 PMID: 34766473
- 4. Song Z et al.. 2025. Exploring ribosome biogenesis in lung adenocarcinoma to advance prognostic methods and immunotherapy strategies.. J Transl Med 23(1):503 PMID: 40316986
- 5. Yu P et al.. 2023. TERT accelerates BRAF mutant-induced thyroid cancer dedifferentiation and progression by regulating ribosome biogenesis.. Sci Adv 9(35):eadg7125 PMID: 37647391
- 6. Chen Y et al.. 2021. Phosphorylation regulates cullin-based ubiquitination in tumorigenesis.. Acta Pharm Sin B 11(2):309-321 PMID: 33643814
- 7. Iavazzo M et al.. 2026. TFEB coordinates autophagosome biogenesis and ribophagy during starvation via SQSTM1.. Sci Adv 12(1):eaea9302 PMID: 41477847
- 8. Wu B et al.. 2021. Mitochondrial aspartate regulates TNF biogenesis and autoimmune tissue inflammation.. Nat Immunol 22(12):1551-1562 PMID: 34811544
