GO:0023051 regulation of signaling: Biological Process, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0023051 (regulation of signaling) is defined as any process that modulates the frequency, rate or extent of a signaling process.
• Signaling regulation operates across diverse contexts, including hematopoietic cytokine and chemokine networks, plant light and hormone perception, and developmental cell-fate decisions.
• Key regulatory nodes include Notch pathway modulators, Hippo pathway kinases, phytochrome photoreceptors, and SUMO-dependent transcription factor control.
• Dysregulated signaling regulation is mechanistically linked to cancers, developmental disorders, and metabolic disease through pathways such as Hippo and Notch.
• CRISPR knockout, point-mutation, knock-in, and overexpression models enable causal testing of signaling regulators in human and plant systems.
• Functional genomics methods such as CRISPR library screening, RNA-seq, and phosphoproteomics are central to mapping signaling regulatory networks.
Description
GO:0023051, regulation of signaling, is a Gene Ontology biological process term defined as any process that modulates the frequency, rate or extent of a signaling process. Signaling regulation is fundamental to how cells and organisms convert environmental and developmental cues into coordinated responses, ranging from hematopoietic cytokine signaling to plant light perception. Because signaling must be tightly controlled in time and space, regulatory mechanisms operate at multiple levels, including receptor availability, post-translational modification of pathway components, and transcriptional feedback. Understanding regulation of signaling is therefore central to both basic cell biology and translational research. Perturbations in signaling regulators are associated with human diseases such as cancer and developmental disorders, and with altered plant growth and stress responses. This article synthesizes authoritative GO annotation and verified literature to describe the mechanisms, key genes, disease links, and experimental models relevant to GO:0023051.
regulation of signaling At A Glance
| GO ID | GO:0023051 |
|---|---|
| GO term | regulation of signaling |
| Ontology | biological_process |
| Synonym | regulation of signaling process; regulation of signalling process |
| Definition | Any process that modulates the frequency, rate or extent of a signaling process. |
| Major function | Modulates the frequency, rate, or extent of signal transduction pathways across diverse biological contexts. |
| Biological scope | Includes regulation of cytokine, Notch, Hippo, light, and hormone signaling. |
| Representative regulators | Notch modulators, Hippo kinases, phytochromes, SUMOylation machinery. |
| Disease relevance | Cancer, developmental disorders, and metabolic dysregulation. |
What Is GO:0023051?
In practical terms, regulation of signaling encompasses any cellular process that changes how often, how fast, or how extensively a signaling event occurs. This includes positive and negative modulation of receptor activation, intracellular signal transduction, and downstream transcriptional outputs. The term is intentionally broad, covering regulation of signaling pathways in metazoans and plants, such as cytokine signaling in hematopoietic cells, Notch pathway activity, Hippo pathway signaling, and phytochrome-mediated light signaling.
Why Is regulation of signaling Important in Cell Biology?
Regulation of signaling is essential because signaling pathways must be precisely tuned to avoid inappropriate activation or silencing, which can drive disease. In hematopoietic cells, signaling pathways and their regulation control gene expression programs that determine proliferation, differentiation, and immune responses. In plants, light and hormone signaling regulation coordinates growth and development, with phytochrome and strigolactone pathways serving as key examples. Disruption of signaling regulators such as Notch and Hippo pathway components is directly implicated in cancer and developmental pathologies. Consequently, mapping and experimentally manipulating regulators of signaling is a major focus of biomedical and plant research.
• Controls cell-fate decisions and differentiation in hematopoietic and developmental systems.
• Coordinates plant growth, light perception, and hormone responses.
• Prevents inappropriate pathway activation that can lead to cancer.
• Integrates environmental cues into transcriptional programs via SUMOylation and transcription factor regulation.
• Provides targets for therapeutic intervention in signaling-driven diseases.
• Enables synthetic biology and crop improvement through modulation of plant signaling.
• Underpins circadian and metabolic regulation in specialized cell types such as osteoblasts.
• Serves as a framework for functional genomics and CRISPR screening studies.
What Happens During regulation of signaling?
Receptor-level modulation
In simple terms: Cells can turn signaling up or down by changing how many receptors are available or how active they are.
Regulation of signaling frequently begins at the receptor level, where the abundance, localization, or activity of receptors determines the strength of the incoming signal. In hematopoietic cells, cytokine and chemokine signaling is modulated by receptor expression and feedback mechanisms that shape gene expression programs. In plants, phytochrome photoreceptors perceive light and initiate signaling cascades whose activity is regulated by light quality and duration. Adrenergic receptor signaling in osteoblasts regulates clock gene expression, illustrating receptor-level control of downstream transcriptional rhythms.
Post-translational modification of pathway components
In simple terms: Adding small chemical tags to signaling proteins can switch pathways on or off.
Post-translational modifications such as SUMOylation provide rapid and reversible control of signaling. SUMO-mediated regulation of transcription factors acts as a mechanism for transducing environmental cues into cellular signaling in plants. Similarly, Notch signaling activity is regulated by modifications and trafficking events that control ligand-receptor interactions and proteolytic activation. These modifications allow cells to fine-tune signaling outputs without changing gene expression.
Kinase cascades and pathway switches
In simple terms: Chains of kinases can amplify or dampen signals, acting like molecular switches.
Kinase cascades are central to regulation of signaling. The Hippo pathway, for example, uses kinase modules to control downstream transcriptional co-activators, thereby regulating cell proliferation and organ size. Dysregulation of Hippo signaling is linked to cancer and other pathologies, underscoring the importance of kinase-mediated control. In plants, strigolactone biosynthesis and signaling are regulated by coordinated enzymatic and signaling components that influence shoot architecture.
Transcriptional feedback and integration
In simple terms: Signals often change which genes are turned on, creating feedback loops that adjust the signal.
Regulation of signaling extends to transcriptional feedback, where signaling pathways alter gene expression programs that in turn modulate pathway activity. In hematopoietic cells, signaling pathways and regulation of gene expression are tightly coupled, with transcription factors controlling cell identity and function. Light signaling and phytohormonal regulation of shoot growth involve integration of multiple inputs at the transcriptional level. Clock genes in osteoblasts are regulated by adrenergic receptor signaling, demonstrating cross-talk between signaling and circadian transcriptional networks.
Developmental and cell-fate control
In simple terms: During development, signaling regulation decides what type of cell a precursor becomes.
Notch signaling activity is a paradigm for developmental regulation of signaling, where precise modulation of ligand-receptor interactions determines cell-fate decisions. The Hippo pathway similarly regulates proliferation and differentiation during development and tissue homeostasis. These examples highlight how regulation of signaling shapes multicellular organization.
Key Genes Involved in GO:0023051 regulation of signaling
The following genes and proteins are representative regulators or components of signaling pathways whose activity is modulated in the context of GO:0023051.
| Gene | Major Role | Research Relevance |
|---|---|---|
| NOTCH1 | Receptor in Notch signaling; activity regulated by ligand availability and proteolysis | Developmental cell-fate decisions and cancer |
| JAG1 | Notch ligand; modulates Notch pathway activation | Notch signaling regulation studies |
| DLL1 | Notch ligand; regulates Notch signaling in development | Cell-fate and differentiation research |
| YAP1 | Transcriptional co-activator downstream of Hippo pathway | Hippo signaling regulation and cancer |
| WWTR1 | TAZ; Hippo pathway co-activator | Hippo signaling and organ size control |
| STK3 | MST2 kinase in Hippo pathway | Hippo pathway regulation |
| STK4 | MST1 kinase in Hippo pathway | Hippo pathway regulation |
| LATS1 | Kinase that phosphorylates YAP/TAZ | Hippo signaling regulation |
| LATS2 | Kinase that phosphorylates YAP/TAZ | Hippo signaling regulation |
| PHYA | Phytochrome A photoreceptor | Light signaling regulation in plants |
| PHYB | Phytochrome B photoreceptor | Light signaling regulation in plants |
| SUMO1 | Small ubiquitin-like modifier | SUMOylation of transcription factors in signaling |
| SIZ1 | SUMO E3 ligase in plants | SUMO-mediated regulation of signaling |
| ADRB2 | Beta-2 adrenergic receptor | Adrenergic regulation of clock genes |
| ARRB1 | Beta-arrestin; modulates receptor signaling | Receptor desensitization and signaling regulation |
| D14 | Strigolactone receptor in plants | Strigolactone signaling regulation |
| MAX2 | F-box protein in strigolactone signaling | Strigolactone signaling regulation |
How Is regulation of signaling Regulated?
Regulation of signaling is itself subject to multiple layers of control. In plants, SUMOylation of transcription factors transduces environmental cues into changes in signaling output. Light signaling and phytohormonal pathways integrate to regulate shoot growth, with phytochrome activity modulated by light conditions. In hematopoietic cells, signaling pathways and gene expression are reciprocally regulated, forming feedback loops that maintain cell identity. The Hippo pathway is controlled by upstream inputs including cell density and mechanical cues, which modulate kinase activity and downstream YAP/TAZ function. These examples illustrate that regulation of signaling is context-dependent and dynamically controlled.
regulation of signaling and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| YAP1 | Cancer; Hippo pathway dysregulation | Knockout and overexpression in cancer cell lines |
| LATS1 | Cancer; Hippo pathway dysregulation | Point mutation and knockout models |
| NOTCH1 | Developmental disorders and cancer | Knock-in and knockout in stem cell models |
| ADRB2 | Metabolic and circadian regulation | Knockout in osteoblast-like cells |
| D14 | Plant architecture and strigolactone signaling | Knockout in plant models |
Cancer and Hippo pathway dysregulation
Dysregulation of Hippo signaling, a key regulator of cell proliferation and organ size, is implicated in multiple cancers. The Hippo pathway kinases STK3/STK4 and LATS1/LATS2 control YAP1 and WWTR1 activity, and loss of this regulation leads to unchecked proliferation. Targeting Hippo pathway regulators is an active area of cancer research.
Developmental disorders and Notch signaling
Notch signaling regulation is critical for normal development, and altered Notch activity is associated with developmental disorders and cancer. Modulators of Notch ligand-receptor interactions represent potential therapeutic targets.
Metabolic and circadian regulation
Adrenergic receptor signaling regulates clock genes in osteoblasts, linking signaling regulation to bone metabolism and circadian rhythms. Disruption of this regulation may contribute to metabolic and skeletal pathologies.
Plant growth and agricultural traits
Regulation of light and strigolactone signaling influences shoot architecture and stress responses in plants, with implications for crop improvement.
From regulation of signaling-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of a Hippo kinase alter proliferation? | CRISPR knockout of LATS1/2 in cell lines |
| Does a point mutation in NOTCH1 affect ligand response? | CRISPR point mutation knock-in |
| Can a tagged signaling regulator be tracked in live cells? | Tagged knock-in of YAP1 |
| Does overexpression of a plant receptor alter light signaling? | Overexpression of PHYB in transgenic plants |
| Does SUMOylation site mutation affect transcription factor activity? | Point mutation of SUMO acceptor lysine |
| Can a signaling regulator be identified by screening? | CRISPR library screening in hematopoietic cells |
How to Study the regulation of signaling Process
| Method | What It Measures | Typical Application |
|---|---|---|
| CRISPR knockout screening | Gene requirement for signaling regulation | Identifying regulators in hematopoietic cells |
| RNA-seq | Transcriptional changes downstream of signaling | Gene expression profiling |
| Phosphoproteomics | Kinase activity and phosphorylation events | Hippo pathway regulation |
| SUMOylation assays | Post-translational modification of transcription factors | Plant signaling regulation |
| Reporter assays | Signaling pathway activity | Notch signaling regulation |
| Live-cell imaging | Protein localization and dynamics | Hippo pathway component tracking |
| Genetic epistasis | Order of pathway components | Notch and Hippo pathway studies |
| CRISPR point mutation | Effect of specific residues on signaling | SUMO acceptor site analysis |
CRISPR library screening
Pooled CRISPR knockout libraries enable unbiased identification of regulators of signaling pathways. In hematopoietic cells, such screens can reveal genes that modulate cytokine and chemokine signaling and gene expression programs. This approach is powerful for mapping signaling regulatory networks at scale.
Transcriptomics and RNA-seq
RNA sequencing measures changes in gene expression downstream of signaling regulation. In hematopoietic cells, signaling pathways and regulation of gene expression are tightly linked, making RNA-seq a key tool for studying regulatory effects. Plant light signaling studies also rely on transcriptomic profiling to identify regulated genes.
Phosphoproteomics and post-translational modification analysis
Phosphoproteomics and SUMOylation assays detect post-translational changes that regulate signaling. SUMO-mediated regulation of transcription factors can be studied using modification-specific enrichment and mass spectrometry. Kinase cascade activity in the Hippo pathway is often assessed by phospho-specific antibodies.
Imaging and reporter assays
Live-cell imaging and reporter assays visualize signaling dynamics and regulation in real time. Notch signaling activity can be monitored using reporter constructs that respond to pathway activation. Fluorescent tagging of Hippo pathway components allows tracking of their localization and regulation.
How CRISPR Can Be Used to Study GO:0023051 regulation of signaling
Knockout
CRISPR knockout of signaling regulators such as LATS1, LATS2, or NOTCH1 enables loss-of-function studies to determine their role in pathway regulation. Knockout models are widely used in cancer and developmental biology to test causality.
Point Mutation
CRISPR point mutation can introduce specific amino acid changes, such as SUMO acceptor lysine mutations, to dissect post-translational regulation of signaling. This approach is valuable for studying kinase-substrate interactions and receptor modifications.
Knock-in
Knock-in of tagged or reporter alleles allows tracking of signaling regulators in their endogenous context. Tagged knock-in of YAP1 or NOTCH1 can reveal dynamic localization and regulation.
Overexpression
Overexpression of signaling components, such as phytochrome PHYB in plants or constitutively active YAP1 in mammalian cells, tests gain-of-function effects on pathway regulation.
How EDITGENE Supports regulation of signaling Research
Researchers studying regulation of signaling-related genes often need to determine whether a candidate gene is causally involved in modulating a signaling pathway. EDITGENE provides comprehensive CRISPR-based services to generate knockout, point-mutation, knock-in, and overexpression cell models, as well as CRISPR library screening and bioinformatics support, enabling rigorous functional interrogation of signaling regulators.
Contact EDITGENE today to design your custom CRISPR model for regulation of signaling research.
Frequently Asked Questions About regulation of signaling
What is GO:0023051 regulation of signaling?
GO:0023051 is a Gene Ontology biological process term defined as any process that modulates the frequency, rate or extent of a signaling process.
What genes are involved in regulation of signaling?
Genes involved include NOTCH1, JAG1, DLL1, YAP1, WWTR1, STK3, STK4, LATS1, LATS2, PHYA, PHYB, SUMO1, SIZ1, ADRB2, ARRB1, D14, and MAX2, among others.
How is regulation of signaling studied?
It is studied using CRISPR knockout and point-mutation models, RNA-seq, phosphoproteomics, SUMOylation assays, reporter assays, and live-cell imaging.
Why is regulation of signaling important in cancer?
Dysregulation of pathways such as Hippo and Notch, which are controlled by signaling regulators, is linked to cancer development and progression.
What is the role of SUMOylation in regulation of signaling?
SUMOylation of transcription factors acts as a mechanism for transducing environmental cues into cellular signaling in plants.
How does light signaling relate to regulation of signaling?
Phytochrome photoreceptors and light signaling pathways regulate plant growth and development, and their activity is modulated by light conditions.
What experimental models are used for regulation of signaling research?
Models include CRISPR knockout, point-mutation, knock-in, and overexpression cell lines, as well as CRISPR library screening in hematopoietic cells.
Can CRISPR screening identify regulators of signaling?
Yes, pooled CRISPR knockout screens can identify genes that modulate signaling pathways and gene expression programs.
What diseases are associated with dysregulated signaling regulation?
Cancers, developmental disorders, and metabolic or circadian pathologies have been linked to altered signaling regulation.
How does EDITGENE support regulation of signaling research?
EDITGENE provides CRISPR knockout, point-mutation, knock-in, overexpression models, library screening, and bioinformatics services for signaling research.
Conclusion
GO:0023051 regulation of signaling is a broad but essential biological process that governs how cells and organisms modulate signal transduction. From hematopoietic cytokine signaling to plant light and hormone perception, regulatory mechanisms ensure appropriate pathway activity. Dysregulation of these processes contributes to cancer, developmental disorders, and metabolic disease, making them important research and therapeutic targets. Advances in CRISPR-based models and functional genomics continue to accelerate the dissection of signaling regulatory networks.
References
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- 2. Hirai T. 2018. Regulation of Clock Genes by Adrenergic Receptor Signaling in Osteoblasts.. Neurochem Res 43(1):129-135 PMID: 28752422
- 3. Schweisguth F. 2004. Regulation of notch signaling activity.. Curr Biol 14(3):R129-38 PMID: 14986688
- 4. Ma S et al.. 2019. The Hippo Pathway: Biology and Pathophysiology.. Annu Rev Biochem 88:577-604 PMID: 30566373
- 5. Cheng MC et al.. 2021. Phytochrome Signaling Networks.. Annu Rev Plant Biol 72:217-244 PMID: 33756095
- 6. Yao T et al.. 2026. The biosynthesis and signaling regulation of strigolactones in plants.. Plant Sci 364:112947 PMID: 41412366
- 7. Kurepin LV et al.. 2014. Light signaling and the phytohormonal regulation of shoot growth.. Plant Sci 229:280-289 PMID: 25443853
- 8. Roy D et al.. 2021. SUMO mediated regulation of transcription factors as a mechanism for transducing environmental cues into cellular signaling in plants.. Cell Mol Life Sci 78(6):2641-2664 PMID: 33452901
