GO:0007099 centriole replication: Mechanism, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0007099 centriole replication is the cell cycle process in which a daughter centriole forms perpendicular to an existing centriole, ensuring centrosome duplication and ciliary basal body formation.
• Centriole replication is tightly coordinated with the cell cycle, particularly S phase, and is regulated by kinases such as ZYG-1 and Plk1.
• Mild replication stress can cause premature centriole disengagement, leading to chromosome mis-segregation and genomic instability.
• Overexpression of centriole-replication proteins can drive centriole overduplication and de novo formation, linking these proteins to cancer.
• The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication.
• Multiciliated cell differentiation uses an alternative cell cycle that coordinates centriole amplification with ciliogenesis.
Description
Centriole replication (GO:0007099) is a fundamental cell cycle process that ensures each dividing cell inherits a correct complement of centrioles. Centrioles are microtubule-based structures that form the core of centrosomes and, in quiescent cells, template ciliary basal bodies. Defects in centriole replication lead to centrosome amplification, mitotic errors, and genomic instability, which are hallmarks of many cancers and developmental disorders. Understanding the molecular players and regulatory checkpoints of centriole replication is therefore critical for both basic cell biology and translational research. Recent studies have revealed that centriole duplication is intimately linked to the DNA replication machinery and cell cycle kinases, with unscheduled licensing prevented by dual signals from the replication apparatus. Moreover, mild replication stress can trigger premature centriole disengagement, causing chromosome mis-segregation and aneuploidy. These findings underscore the importance of precise temporal and spatial control of centriole replication. This article synthesizes authoritative QuickGO data and verified PubMed literature to provide a research-grade overview of centriole replication, its key genes, regulatory mechanisms, disease relevance, and experimental models for studying it.
centriole replication At A Glance
| GO ID | GO:0007099 |
|---|---|
| GO term | centriole replication |
| Ontology | biological_process |
| Synonym | centriole duplication; ciliary basal body duplication; microtubule basal body duplication |
| Major function | Formation of a daughter centriole perpendicular to an existing centriole, essential for centrosome duplication and ciliary basal body formation |
| Cell cycle coordination | Tightly linked to S phase and regulated by cell cycle kinases such as ZYG-1 and Plk1 |
| Disease relevance | Centrosome amplification, cancer, developmental disorders, and genomic instability |
| Key regulatory proteins | ZYG-1, Plk1, and components of the DNA replication machinery |
What Is GO:0007099?
According to the Gene Ontology, centriole replication (GO:0007099) is the cell cycle process in which a daughter centriole is formed perpendicular to an existing centriole. An immature centriole contains a ninefold radially symmetric array of single microtubules; mature centrioles consist of a radial array of nine microtubule triplets, doublets, or singlets depending upon the species and cell type. Duplicated centrioles also become the ciliary basal body in cells that form cilia during G0. Synonyms include centriole duplication, ciliary basal body duplication, and microtubule basal body duplication.
Why Is centriole replication Important in Cell Biology?
Centriole replication is essential for maintaining genomic stability, as errors in this process lead to centrosome amplification, multipolar spindles, and chromosome mis-segregation, which are frequently observed in cancer and developmental diseases. The process is also critical for the formation of cilia and flagella, which mediate sensory and signaling functions in many cell types. Understanding the molecular mechanisms of centriole replication provides insights into cell cycle control, tissue development, and disease pathogenesis, making it a key area of biomedical research.
• Ensures proper centrosome duplication and bipolar spindle formation during mitosis.
• Prevents genomic instability and aneuploidy by coordinating with the DNA replication machinery.
• Required for ciliary basal body formation and ciliogenesis in differentiated cells.
• Dysregulation leads to centrosome amplification, a hallmark of many cancers.
• Premature centriole disengagement under replication stress causes chromosome mis-segregation.
• Regulated by cell cycle kinases such as ZYG-1 and Plk1, linking to cell cycle checkpoints.
• Involved in multiciliated cell differentiation through an alternative cell cycle.
• Provides targets for cancer therapy and diagnostics.
• Essential for embryonic development and tissue homeostasis.
• Serves as a model for studying organelle duplication and cell cycle coordination.
What Happens During centriole replication?
Initiation and Licensing
In simple terms: The cell gives permission for a new centriole to form next to the existing one.
Centriole replication begins with the licensing of the mother centriole, a process that is tightly coupled to the cell cycle. The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication. This ensures that centriole duplication occurs only once per cell cycle, typically during S phase. The ZYG-1 kinase is a key regulator of centriole replication, acting as a mitotic and meiotic regulator.
Daughter Centriole Assembly
In simple terms: A new centriole grows perpendicular to the old one, using it as a template.
The daughter centriole forms perpendicular to the existing centriole, with an immature centriole initially containing a ninefold radially symmetric array of single microtubules. As it matures, it develops into a radial array of nine microtubule triplets, doublets, or singlets depending on the species and cell type. Overexpression of centriole-replication proteins in vivo induces centriole overduplication and de novo formation, demonstrating the sufficiency of these proteins for assembly.
Elongation and Maturation
In simple terms: The new centriole lengthens and becomes fully functional.
Following assembly, the daughter centriole elongates and matures into a structure capable of duplicating in the next cell cycle. This maturation step is critical for the centriole to acquire the ability to serve as a template for duplication and, in G0 cells, to become a ciliary basal body. The process is regulated by Plk1 activity, and mild replication stress can cause premature centriole disengagement via sub-critical Plk1 activity under the control of ATR-Chk1.
Disengagement and Cell Cycle Progression
In simple terms: The two centrioles separate so they can form the poles of the mitotic spindle.
Centriole disengagement is a prerequisite for centrosome duplication and mitotic spindle formation. Premature centriole disengagement caused by mild replication stress leads to chromosome mis-segregation. This disengagement is controlled by Plk1 and the ATR-Chk1 pathway, which ensures that separation occurs only after successful DNA replication. The apparent linkage between centriole replication and S phase ensures that these two processes are coordinated.
Alternative Cell Cycle in Multiciliated Cells
In simple terms: Some cells use a special cycle to make many centrioles for cilia.
Multiciliated cell differentiation uses an alternative cell cycle that coordinates centriole amplification with ciliogenesis. This process involves the generation of numerous centrioles that serve as basal bodies for motile cilia, highlighting the versatility of centriole replication mechanisms in different cellular contexts.
Key Genes Involved in GO:0007099 centriole replication
The following genes and proteins are key players in centriole replication, as supported by the verified literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| ZYG-1 | Mitotic and meiotic regulator of centriole replication | Key kinase for centriole duplication; studied in C. elegans and other models |
| Plk1 | Regulates centriole disengagement and licensing | Its sub-critical activity under ATR-Chk1 control links replication stress to centriole defects |
| ATR | DNA damage response kinase controlling Plk1 activity | Mediates premature centriole disengagement under replication stress |
| Chk1 | Downstream effector of ATR | Controls Plk1 activity to prevent premature centriole disengagement |
| DNA replication machinery components | Transmit dual signals to prevent unscheduled centrosome duplication | Studied for coordination between DNA replication and centrosome duplication |
| Centriole-replication proteins (e.g., SAS-6, STIL, CPAP) | Core components of centriole assembly | Overexpression induces overduplication and de novo formation |
| SAS-6 | Forms the cartwheel structure of centrioles | Essential for centriole assembly; target for structural studies |
| STIL | Centriolar protein required for daughter centriole formation | Overexpression leads to centriole overduplication |
| CPAP | Microtubule-binding protein involved in centriole elongation | Mutations cause microcephaly; studied in centriole biogenesis |
| Cep152 | Recruits Plk4 to centrioles | Key for centriole duplication initiation |
| Plk4 | Master kinase for centriole duplication | Overexpression causes centriole amplification |
| Cep192 | Scaffold protein for centriole assembly | Required for centriole duplication |
| γ-tubulin | Microtubule nucleation | Involved in centriole microtubule assembly |
| Centrin | Calcium-binding protein in centrioles | Structural component; studied in centriole function |
| Cep135 | Centriolar protein linking cartwheel to microtubules | Essential for centriole assembly |
| OFD1 | Centriolar protein mutated in oral-facial-digital syndrome | Links centriole function to ciliopathies |
| PCM1 | Pericentriolar material protein | Regulates centriole duplication and centrosome integrity |
| Mps1 | Spindle assembly checkpoint kinase | Involved in centrosome duplication control |
How Is centriole replication Regulated?
Centriole replication is regulated by a complex network of cell cycle kinases and checkpoints. The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication, ensuring that centriole duplication occurs only once per cell cycle. The ZYG-1 kinase acts as a mitotic and meiotic regulator of centriole replication. Plk1 activity is controlled by the ATR-Chk1 pathway, and mild replication stress can cause premature centriole disengagement via sub-critical Plk1 activity. This regulatory mechanism links DNA replication stress to centriole defects and chromosome mis-segregation. Additionally, the apparent linkage between centriole replication and S phase ensures coordination between these processes. In multiciliated cells, an alternative cell cycle coordinates centriole amplification with differentiation.
centriole replication and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| Plk1 | Cancer, chromosome mis-segregation | Knockout or point mutation in cancer cell lines |
| CPAP | Microcephaly, ciliopathies | Knock-in of patient mutations in iPSCs |
| OFD1 | Oral-facial-digital syndrome | Knockout mouse models |
| STIL | Cancer, centriole overduplication | Overexpression in cell lines |
| SAS-6 | Centriole amplification, cancer | Knockout and overexpression models |
Cancer and Genomic Instability
Centriole replication defects lead to centrosome amplification, which is a hallmark of many cancers. Overexpression of centriole-replication proteins induces centriole overduplication and de novo formation, driving genomic instability. Mild replication stress causes premature centriole disengagement, resulting in chromosome mis-segregation and aneuploidy, further promoting tumorigenesis.
Developmental Disorders and Ciliopathies
Proper centriole replication is essential for cilia formation, and defects in this process are linked to developmental disorders such as microcephaly and ciliopathies. Mutations in centriolar proteins like CPAP and OFD1 cause severe developmental phenotypes. The coordination between centriole replication and cell cycle progression is critical for tissue development.
Replication Stress and Chromosome Mis-segregation
Mild replication stress induces premature centriole disengagement through sub-critical Plk1 activity under the control of ATR-Chk1, leading to chromosome mis-segregation. This mechanism provides a direct link between DNA replication stress and centriole-related mitotic errors, which are relevant to cancer and aging.
From centriole replication-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does gene X regulate centriole duplication? | Knockout cell lines (e.g., HeLa, RPE1) |
| Does a point mutation in gene X cause centriole defects? | Point mutation knock-in via CRISPR |
| Does gene X overexpression induce centriole overduplication? | Overexpression cell models |
| Where does protein X localize during centriole replication? | Tagged knock-in (e.g., GFP) |
| Does gene X coordinate with DNA replication? | Knockout or knockdown in synchronized cells |
| Does gene X affect ciliogenesis? | Multiciliated cell differentiation models |
How to Study the centriole replication Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Immunofluorescence | Centriole number and localization | Assessing duplication defects |
| Electron microscopy | Ultrastructure of centrioles | Detailed assembly analysis |
| Live-cell imaging | Centriole dynamics | Real-time duplication and disengagement |
| RNA-seq | Gene expression changes | Identifying regulators of centriole replication |
| Proteomics | Protein interactions and abundance | Discovering centriole components |
| CRISPR library screening | Functional gene discovery | Systematic identification of centriole regulators |
| Bioinformatics | Genomic data integration | Linking centriole genes to diseases |
| Cell cycle synchronization | Coordination with S phase | Studying replication stress effects |
Imaging and Microscopy
Fluorescence microscopy, including immunofluorescence and live-cell imaging, is used to visualize centriole duplication and disengagement. Electron microscopy provides ultrastructural details of centriole assembly. These methods are essential for assessing centriole number, position, and morphology.
Genomic and Proteomic Approaches
RNA-seq and proteomics can identify genes and proteins involved in centriole replication. CRISPR library screening enables systematic discovery of regulators. Bioinformatics analysis of genomic data helps link centriole genes to diseases.
Cell Cycle Synchronization and Stress Assays
Synchronizing cells and inducing mild replication stress allows researchers to study the coordination between DNA replication and centriole duplication. Assays for centriole disengagement and chromosome mis-segregation are used to evaluate defects.
Functional Assays
Overexpression and knockout studies in cell lines and animal models are used to test the sufficiency and necessity of centriole-replication proteins. These assays can reveal overduplication, de novo formation, and ciliary defects.
How CRISPR Can Be Used to Study GO:0007099 centriole replication
Knockout
CRISPR knockout of centriole-replication genes (e.g., Plk1, SAS-6) is used to test their necessity for centriole duplication. Knockout cell lines can be generated in various cell types, including cancer cells and iPSCs, to study loss-of-function phenotypes.
Point Mutation
Point mutations identified in patients (e.g., in CPAP) can be introduced via CRISPR to model disease-associated centriole defects. These models help dissect the molecular mechanisms of centriole replication and its role in developmental disorders.
Knock-in
Tagged knock-in of centriolar proteins (e.g., GFP-tagged SAS-6) allows real-time visualization of centriole assembly and dynamics. This approach is valuable for understanding the spatiotemporal regulation of centriole replication.
Overexpression
CRISPR activation or cDNA overexpression of centriole-replication proteins (e.g., Plk4, STIL) induces centriole overduplication and de novo formation, providing a model for centrosome amplification in cancer.
How EDITGENE Supports centriole replication Research
Researchers studying centriole replication-related genes often need to determine whether a candidate gene is causally involved in centriole duplication, centrosome amplification, or ciliogenesis. EDITGENE provides comprehensive CRISPR-based services to accelerate this research, from gene knockout to precise point mutations and overexpression models.
Contact EDITGENE today to design your custom CRISPR model for centriole replication research.
Frequently Asked Questions About centriole replication
What is centriole replication?
Centriole replication (GO:0007099) is the cell cycle process in which a daughter centriole is formed perpendicular to an existing centriole, ensuring centrosome duplication and ciliary basal body formation.
What genes are involved in centriole replication?
Key genes include ZYG-1, Plk1, Plk4, SAS-6, STIL, CPAP, Cep152, and Cep192, among others.
How is centriole replication regulated?
It is regulated by cell cycle kinases such as ZYG-1 and Plk1, and coordinated with DNA replication through dual signals from the replication machinery.
What happens if centriole replication goes wrong?
Defects lead to centrosome amplification, chromosome mis-segregation, genomic instability, and diseases such as cancer and ciliopathies.
What is the relationship between centriole replication and S phase?
Centriole replication is tightly linked to S phase, ensuring that duplication occurs once per cell cycle.
Can centriole replication be studied with CRISPR?
Yes, CRISPR knockout, point mutation, knock-in, and overexpression models are widely used to study centriole replication genes.
What diseases are associated with centriole replication defects?
Cancer, microcephaly, oral-facial-digital syndrome, and other ciliopathies.
How does replication stress affect centriole replication?
Mild replication stress causes premature centriole disengagement via sub-critical Plk1 activity under ATR-Chk1 control, leading to chromosome mis-segregation.
What methods are used to study centriole replication?
Imaging (immunofluorescence, electron microscopy), genomics, proteomics, CRISPR screening, and cell cycle synchronization assays.
Why is centriole replication important for cancer research?
Centriole overduplication and centrosome amplification are hallmarks of cancer, making centriole replication a potential therapeutic target.
Conclusion
Centriole replication (GO:0007099) is a highly regulated cell cycle process essential for centrosome duplication, genomic stability, and cilia formation. Its coordination with DNA replication and control by kinases such as ZYG-1 and Plk1 ensure that centrioles duplicate once per cycle. Defects in this process contribute to cancer, developmental disorders, and ciliopathies, making it a critical area of biomedical research. Advances in CRISPR-based models and imaging technologies continue to unravel the molecular mechanisms of centriole replication, offering new opportunities for therapeutic intervention. EDITGENE provides comprehensive CRISPR services to support researchers in this field.
References
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- 2. Pederson T. 2020. The Centriole Mystique.. Trends Cell Biol 30(8):590-593 PMID: 32456848
- 3. Dwivedi D et al.. 2023. Mild replication stress causes premature centriole disengagement via a sub-critical Plk1 activity under the control of ATR-Chk1.. Nat Commun 14(1):6088 PMID: 37773176
- 4. Wilhelm T et al.. 2019. Mild replication stress causes chromosome mis-segregation via premature centriole disengagement.. Nat Commun 10(1):3585 PMID: 31395887
- 5. O'Connell KF. 2002. The ZYG-1 kinase, a mitotic and meiotic regulator of centriole replication.. Oncogene 21(40):6201-8 PMID: 12214250
- 6. Matsuhashi K et al.. 2025. The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication.. Nat Commun 16(1):7799 PMID: 40921755
- 7. Sluder G et al.. 1998. The apparent linkage between centriole replication and the S phase of the cell cycle.. Cell Biol Int 22(1):3-5 PMID: 9828076
- 8. Peel N et al.. 2007. Overexpressing centriole-replication proteins in vivo induces centriole overduplication and de novo formation.. Curr Biol 17(10):834-43 PMID: 17475495
