GO:0051302 regulation of cell division: Regulatory Mechanisms, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0051302 regulation of cell division describes any process that modulates the frequency, rate or extent of the physical partitioning and separation of a cell into daughter cells.
• This regulation is essential for correct asymmetric cell division, tissue development, and stem cell fate, and its disruption is linked to cancer and developmental disorders.
• Key regulatory inputs include epigenetic complexes such as LIBR-BRD4, cell polarity machinery, and nuclear envelope dynamics.
• The AP-1 transcription factor network integrates extracellular signals to control cell life, death, and division decisions.
• Extracellular cues and the mitotic spindle cooperate to position fate determinants during asymmetric division.
• CRISPR-based knockout, point mutation, knock-in, and overexpression models enable causal testing of regulatory genes in cell division.
Description
Regulation of cell division (GO:0051302) is a fundamental biological process that controls when, where, and how a cell physically partitions into two daughter cells. It encompasses the molecular checkpoints, signaling cascades, and structural rearrangements that ensure accurate chromosome segregation and daughter cell specification. Dysregulation of this process underlies numerous pathologies, including cancer, where uncontrolled proliferation and asymmetric division defects drive tumor heterogeneity. Understanding the regulatory layers of cell division is therefore critical for both basic developmental biology and translational research. Recent studies have highlighted the importance of epigenetic regulation, such as the LIBR-BRD4 axis, in controlling asymmetric cell division and cell fate. Moreover, the nuclear envelope and chromatin dynamics contribute to the spatial and temporal regulation of division. This article synthesizes authoritative QuickGO annotation and verified PubMed literature to provide a research-grade overview of GO:0051302, its mechanisms, key genes, and experimental approaches.
regulation of cell division At A Glance
| GO ID | GO:0051302 |
|---|---|
| GO term | regulation of cell division |
| Ontology | biological_process |
| Synonym | none |
| Major function | Modulates the frequency, rate, or extent of cell division, including asymmetric division and cytokinesis. |
| Key regulators | Epigenetic complexes (LIBR-BRD4), AP-1 transcription factors, cell polarity proteins, nuclear envelope components. |
| Associated processes | Asymmetric cell division, mitotic spindle positioning, chromatin dynamics, cell fate specification. |
| Disease relevance | Cancer, developmental disorders, and potential targets for gene and cell therapy. |
What Is GO:0051302?
According to the Gene Ontology, GO:0051302 regulation of cell division is defined as any process that modulates the frequency, rate or extent of the physical partitioning and separation of a cell into daughter cells. In other words, it includes all molecular events that control the timing, orientation, and execution of cytokinesis and related division processes, ensuring proper cell fate and tissue homeostasis.
Why Is regulation of cell division Important in Cell Biology?
Regulation of cell division is central to development, tissue regeneration, and disease. It ensures that stem cells divide asymmetrically to produce differentiated progeny, and its misregulation leads to uncontrolled proliferation, tumor heterogeneity, and developmental abnormalities. Understanding the regulatory networks, from epigenetic modifiers to extracellular signals, provides insights into cancer biology and potential therapeutic targets.
• Controls asymmetric cell division essential for stem cell maintenance and differentiation.
• Epigenetic regulation by LIBR-BRD4 axis influences cell fate decisions.
• AP-1 transcription factors integrate stress and growth signals to regulate cell life and death.
• Extracellular matrix and polarity cues guide spindle orientation and fate determinant localization.
• Bacterial cell polarity regulation provides evolutionary insights into division control.
• Nuclear envelope dynamics regulate chromatin during division, impacting gene expression.
• Dysregulation is implicated in cancer, where altered division leads to aneuploidy and tumor progression.
• Regulatory oversight of cell and gene therapies highlights translational importance.
• CRISPR screens can identify novel regulators of cell division.
• Model organisms like Arabidopsis reveal conserved mechanisms in asymmetric division.
What Happens During regulation of cell division?
Initiation and Checkpoint Control
In simple terms: The cell checks if everything is ready before dividing.
Regulation of cell division begins with checkpoint controls that assess DNA integrity, cell size, and nutrient availability. The AP-1 transcription factor network responds to extracellular signals to promote or inhibit division. Epigenetic complexes such as LIBR-BRD4 modulate chromatin accessibility at genes controlling asymmetric division, ensuring proper timing.
Asymmetric Fate Determinant Localization
In simple terms: The cell decides which parts go to each daughter cell.
During asymmetric division, fate determinants are actively transported and anchored to specific cortical domains. Extracellular cues and polarity proteins regulate mitotic spindle orientation to ensure unequal segregation of determinants. In plants, asymmetric division is controlled by similar mechanisms involving cell polarity and epigenetic regulation.
Spindle Positioning and Cytokinesis
In simple terms: The machinery that splits the cell is put in the right place.
The mitotic spindle must be correctly positioned to dictate the division plane. Regulatory proteins, including those at the nuclear envelope, influence spindle dynamics and chromatin segregation. In bacteria like Myxococcus xanthus, cell polarity proteins regulate division site placement.
Chromatin and Nuclear Envelope Dynamics
In simple terms: The nucleus and its contents are reorganized during division.
The nuclear envelope breaks down and reforms, and chromatin is compacted and segregated. Regulatory processes ensure that chromatin modifications are inherited correctly, impacting daughter cell gene expression. Epigenetic regulators like BRD4 are involved in this process.
Termination and Daughter Cell Maturation
In simple terms: The new cells finish dividing and become distinct.
After cytokinesis, daughter cells exit mitosis and enter their specific developmental programs. Regulatory pathways, including those involving AP-1, continue to influence cell survival and differentiation. Proper termination prevents re-division and ensures tissue homeostasis.
Key Genes Involved in GO:0051302 regulation of cell division
The following genes and proteins are key regulators of cell division, as supported by the verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| BRD4 | Epigenetic reader in LIBR-BRD4 axis regulating asymmetric division | Target for studying epigenetic control of cell fate |
| LIBR | Component of LIBR-BRD4 complex controlling asymmetric division | Key regulator in Arabidopsis and potentially conserved |
| AP-1 (JUN/FOS) | Transcription factor regulating cell life and death decisions | Central node in stress and growth signaling |
| Myxococcus xanthus polarity proteins | Regulate cell polarity and division site placement | Model for bacterial cell division regulation |
| Nuclear envelope proteins | Regulate chromatin dynamics during division | Link between nuclear structure and gene expression |
| Mitotic spindle proteins | Position spindle and fate determinants | Targets for asymmetric division studies |
| Cell polarity proteins | Establish cortical domains for asymmetric division | Conserved from bacteria to plants |
| Chromatin modifiers | Modulate gene expression during division | Epigenetic regulation of cell fate |
| Cyclin-dependent kinases | Drive cell cycle progression | Classic regulators of division timing |
| Aurora kinases | Regulate chromosome segregation and cytokinesis | Mitotic regulators often dysregulated in cancer |
| Polo-like kinases | Control mitotic entry and spindle assembly | Potential therapeutic targets |
| Rho GTPases | Regulate actin dynamics during cytokinesis | Key for division plane establishment |
| Anillin | Scaffold protein in cytokinesis | Essential for contractile ring assembly |
| Septins | Guide division site selection | Conserved in fungi and animals |
| EB1 | Microtubule plus-end tracking protein | Regulates spindle positioning |
| LGN | Spindle orientation regulator | Critical for asymmetric division |
| NuMA | Spindle organizing protein | Involved in spindle positioning |
| Dynein | Motor protein for spindle positioning | Regulates asymmetric division |
How Is regulation of cell division Regulated?
Regulation of cell division is controlled by multiple layers, including epigenetic complexes (e.g., LIBR-BRD4), transcription factors (AP-1), and extracellular signals. The nuclear envelope also plays a role in regulating chromatin dynamics during division. In bacteria, cell polarity proteins regulate division site selection.
regulation of cell division and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| BRD4 | Cancer, asymmetric division defects | Knockout or point mutation in cancer cell lines |
| AP-1 (JUN/FOS) | Cancer, stress response | Overexpression or knockout in mammalian cells |
| LIBR | Developmental disorders in plants | Knockout in Arabidopsis |
| Nuclear envelope proteins | Laminopathies, cancer | Knock-in of disease mutations |
| Polarity proteins | Cancer, developmental defects | CRISPR knockout in organoids |
Cancer and Uncontrolled Proliferation
Dysregulation of cell division is a hallmark of cancer. Altered expression of AP-1 components can promote uncontrolled proliferation and survival. Epigenetic regulators such as BRD4 are often overexpressed in cancers and contribute to asymmetric division defects that drive tumor heterogeneity.
Developmental Disorders
Defects in asymmetric cell division can lead to developmental abnormalities due to improper cell fate specification. Studies in Arabidopsis have revealed that mutations in LIBR-BRD4 axis components disrupt asymmetric division and tissue patterning.
Neurodegeneration
While direct links are less established, regulators of cell division such as AP-1 are implicated in neuronal death and survival, suggesting potential roles in neurodegenerative conditions.
Therapeutic Implications
Regulatory oversight of gene and cell therapies highlights the translational importance of understanding cell division control for safe therapeutic applications.
From regulation of cell division-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X regulate asymmetric division? | Knockout cell model (e.g., CRISPR-Cas9) |
| Does a specific mutation in gene Y affect division rate? | Point mutation knock-in cell line |
| How does gene Z overexpression affect cell fate? | Overexpression cell model |
| Where is protein W localized during division? | Tagged knock-in (e.g., GFP) |
| What are the downstream targets of regulator V? | CRISPR library screening |
| Is the regulation conserved across species? | Comparative knockout in Arabidopsis and mammalian cells |
How to Study the regulation of cell division Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Live-cell imaging | Division dynamics, protein localization | Asymmetric division studies |
| CRISPR knockout screening | Gene essentiality for division | Identify novel regulators |
| RNA-seq | Transcriptional changes | Gene expression during division |
| ChIP-seq | Epigenetic marks and TF binding | BRD4 and chromatin regulation |
| Proteomics | Protein interactions and modifications | Spindle and polarity complexes |
| Flow cytometry | Cell cycle profile and division rate | Quantify proliferation |
| Immunofluorescence | Protein localization at single-cell level | Spindle and fate determinants |
| CRISPR knock-in | Tagged endogenous proteins | Track division regulators |
Live-Cell Imaging
Live-cell imaging with fluorescently tagged proteins allows real-time visualization of division dynamics and asymmetric fate determinant localization.
CRISPR Screening
Genome-wide CRISPR knockout or activation screens can identify novel regulators of cell division and asymmetric fate.
Transcriptomics and Epigenomics
RNA-seq and ChIP-seq reveal gene expression changes and epigenetic marks (e.g., BRD4 binding) during division.
Proteomics
Mass spectrometry-based proteomics identifies protein complexes and post-translational modifications regulating division.
How CRISPR Can Be Used to Study GO:0051302 regulation of cell division
Knockout
CRISPR knockout of candidate regulators (e.g., BRD4, LIBR) can reveal their essential roles in cell division and asymmetric fate. Knockout cell models are invaluable for loss-of-function studies.
Point Mutation
Introducing specific point mutations (e.g., in AP-1 components) allows dissection of phosphorylation sites or DNA-binding domains critical for division regulation.
Knock-in
Knock-in of fluorescent tags (e.g., GFP) into endogenous loci enables real-time tracking of division regulators without overexpression artifacts.
Overexpression
Overexpression of regulators such as AP-1 or BRD4 can mimic oncogenic states and test sufficiency in driving division and tumorigenesis.
How EDITGENE Supports regulation of cell division Research
Researchers studying regulation of cell division-related genes often need to determine whether a candidate gene is causally involved in division control, and which domains or residues are critical. EDITGENE provides a comprehensive suite of CRISPR services to enable such functional studies.
Contact EDITGENE today to design your custom CRISPR model for regulation of cell division research.
Frequently Asked Questions About regulation of cell division
What is GO:0051302 regulation of cell division?
GO:0051302 is a Gene Ontology biological process term defined as any process that modulates the frequency, rate or extent of the physical partitioning and separation of a cell into daughter cells.
What genes are involved in regulation of cell division?
Key genes include BRD4, LIBR, AP-1 components (JUN, FOS), nuclear envelope proteins, and cell polarity genes.
How is asymmetric cell division regulated?
Asymmetric division is regulated by epigenetic complexes like LIBR-BRD4, extracellular cues, and spindle positioning machinery that localize fate determinants.
What diseases are linked to dysregulated cell division?
Cancer, developmental disorders, and potentially neurodegeneration are linked to defects in cell division regulation.
What methods are used to study regulation of cell division?
Live-cell imaging, CRISPR screens, RNA-seq, ChIP-seq, and proteomics are commonly used.
How does AP-1 regulate cell division?
AP-1 transcription factors integrate stress and growth signals to control cell life and death decisions, including proliferation.
What is the role of the nuclear envelope in cell division?
The nuclear envelope regulates chromatin dynamics and spindle assembly during division.
Can CRISPR be used to study cell division regulators?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models are powerful tools for functional studies.
What is the LIBR-BRD4 axis?
LIBR-BRD4 is an epigenetic regulatory complex that controls asymmetric cell division and cell fate, as shown in Arabidopsis.
Why is regulation of cell division important for therapy?
Understanding division regulation is crucial for developing safe gene and cell therapies and for targeting cancer.
Conclusion
Regulation of cell division (GO:0051302) is a central biological process with profound implications for development, tissue homeostasis, and disease. The integration of epigenetic, transcriptional, and structural regulatory mechanisms ensures proper division and cell fate. Continued research using advanced CRISPR models and multi-omics approaches will further unravel these complexities and inform therapeutic strategies.
References
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- 2. Chowdhury MR et al.. 2025. Molecular regulation of asymmetric cell division in dicots: insights from Arabidopsis development.. Mol Biol Rep 53(1):213 PMID: 41417417
- 3. Chen HF et al.. 2024. Epigenetic regulation of asymmetric cell division by the LIBR-BRD4 axis.. Nucleic Acids Res 52(1):154-165 PMID: 37986225
- 4. Shaulian E et al.. 2002. AP-1 as a regulator of cell life and death.. Nat Cell Biol 4(5):E131-6 PMID: 11988758
- 5. Smith P et al.. 2017. Extracellular Regulation of the Mitotic Spindle and Fate Determinants Driving Asymmetric Cell Division.. Results Probl Cell Differ 61:351-373 PMID: 28409313
- 6. Schumacher D et al.. 2017. Regulation of Cell Polarity in Motility and Cell Division in Myxococcus xanthus.. Annu Rev Microbiol 71:61-78 PMID: 28525300
- 7. Fernández-Jiménez N et al.. 2020. The role of the nuclear envelope in the regulation of chromatin dynamics during cell division.. J Exp Bot 71(17):5148-5159 PMID: 32589712
- 8. Choi M et al.. 2015. Regulatory Oversight of Gene Therapy and Cell Therapy Products in Korea.. Adv Exp Med Biol 871:163-79 PMID: 26374218
