GO:0046599 regulation of centriole replication: Cell Cycle Control, Genes, Functions and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0046599 regulation of centriole replication describes any process that modulates the frequency, rate or extent of the formation of a daughter centriole from an existing centriole.
• Centriole duplication is tightly licensed once per cell cycle, and DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication.
• The ZYG-1 kinase is a conserved mitotic and meiotic regulator of centriole replication in Caenorhabditis elegans.
• Multiciliated cell differentiation uses an alternative cell cycle that coordinates centriole amplification with differentiation.
• A cyclin switch tailors a cell cycle variant to orchestrate multiciliogenesis, linking cell cycle regulators to centriole replication control.
• Deregulated centriole replication is linked to primary microcephaly and other developmental disorders.
Description
Regulation of centriole replication (GO:0046599) is a biological process that modulates the frequency, rate or extent of the formation of a daughter centriole of an existing centriole. Centrioles are microtubule-based structures that duplicate once per cell cycle, and their duplication must be tightly coordinated with DNA replication and cell division to maintain genomic stability. This process is essential for centrosome duplication, cilium assembly, and proper mitotic spindle formation. In multiciliated cells, centriole replication is amplified through a specialized cell cycle variant to generate hundreds of centrioles that nucleate motile cilia. The ZYG-1 kinase was identified as a key mitotic and meiotic regulator of centriole replication, establishing a conserved kinase-dependent control mechanism. Understanding GO:0046599 is therefore critical for researchers studying cell cycle control, centrosome biology, ciliogenesis, and related human diseases.
regulation of centriole replication At A Glance
| GO ID | GO:0046599 |
|---|---|
| GO term | regulation of centriole replication |
| Ontology | biological_process |
| Synonym | none |
| Major function | Modulates the frequency, rate or extent of daughter centriole formation from an existing centriole |
| Related process | Centrosome duplication and cell cycle licensing |
| Key regulator | ZYG-1 kinase, a conserved mitotic and meiotic regulator of centriole replication |
| Disease relevance | Primary microcephaly and developmental disorders |
| Model organism | Caenorhabditis elegans and vertebrate multiciliated cells |
What Is GO:0046599?
GO:0046599 regulation of centriole replication encompasses any process that modulates the frequency, rate or extent of the formation of a daughter centriole of an existing centriole. This includes positive and negative regulatory inputs that ensure centriole duplication occurs exactly once per cell cycle and is coordinated with other cell cycle events.
Why Is regulation of centriole replication Important in Cell Biology?
Regulation of centriole replication is fundamental to genome stability because centrioles must duplicate exactly once per cell cycle to form a bipolar mitotic spindle. Failure to properly regulate this process leads to centrosome amplification, mitotic errors, and aneuploidy, which are hallmarks of cancer and developmental disorders. In multiciliated cells, a specialized cell cycle variant coordinates massive centriole amplification with differentiation, and disruption of this regulation impairs mucociliary clearance. The ZYG-1 kinase exemplifies how a single regulatory kinase can control centriole replication in both mitosis and meiosis. Consequently, understanding GO:0046599 provides mechanistic insight into cell cycle control, ciliopathies, and microcephaly.
• Ensures centriole duplication occurs once per cell cycle, preventing centrosome amplification.
• Coordinates centriole replication with DNA replication and cell division.
• Controls centriole amplification in multiciliated cells for motile cilia formation.
• ZYG-1 kinase regulates centriole replication in both mitosis and meiosis.
• Deregulation is linked to primary microcephaly and neurodevelopmental disorders.
• Centriole duplication errors contribute to chromosomal instability and cancer.
• A cyclin switch tailors a cell cycle variant to orchestrate multiciliogenesis.
• Mitotic cell division in C. elegans provides a tractable model for centriole replication studies.
• Positive and negative regulation of replication has been studied in hybrid cells.
• Alternative cell cycle coordinates multiciliated cell differentiation.
What Happens During regulation of centriole replication?
Licensing of centriole duplication
In simple terms: A molecular permission slip is issued once per cell cycle so a new centriole can form.
The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication. This licensing step ensures that a daughter centriole can form only from an existing centriole and only once per cycle. In C. elegans, the ZYG-1 kinase is required for this licensing and acts as a mitotic and meiotic regulator of centriole replication.
Daughter centriole formation
In simple terms: A new centriole grows next to the old one.
The formation of a daughter centriole of an existing centriole is the defining event of GO:0046599. This process requires coordinated assembly of centriolar microtubules and associated proteins, and its frequency and extent are modulated by regulatory inputs. In multiciliated cells, an alternative cell cycle coordinates the massive amplification of centrioles needed for multiciliated cell differentiation.
Coordination with the cell cycle
In simple terms: The new centriole is made at the right time in the cell cycle.
Regulation of centriole replication is coupled to the cell cycle so that duplication occurs in S phase and is completed before mitosis. A cyclin switch tailors a cell cycle variant to orchestrate multiciliogenesis, demonstrating how cell cycle regulators can be repurposed for centriole amplification. Mitotic cell division in Caenorhabditis elegans provides a genetically tractable system to dissect this coordination.
Negative regulation and prevention of re-duplication
In simple terms: Brakes are applied so the centriole does not copy itself again too soon.
Positive and negative regulation of replication has been described in hybrid cells, indicating that both activating and inhibitory inputs control duplication. The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication, highlighting a negative regulatory layer. Centrioles duplicating precariously illustrates the risks when these brakes fail.
Key Genes Involved in GO:0046599 regulation of centriole replication
The following genes and proteins have been experimentally implicated in the regulation of centriole replication (GO:0046599) or in closely related centriole duplication processes.
| Gene | Major Role | Research Relevance |
|---|---|---|
| ZYG-1 | Mitotic and meiotic regulator of centriole replication | Core kinase for centriole duplication studies in C. elegans |
| PLK4 | Central regulator of centriole duplication (implied by centriole duplication literature) | Target for centrosome amplification research |
| SAS-6 | Cartwheel component required for centriole formation (implied by centriole duplication literature) | Structural marker of daughter centriole assembly |
| SPD-2 | Pericentriolar material recruitment factor (implied by centriole duplication literature) | Link between centriole and PCM assembly |
| CDK1 | Cell cycle kinase coordinating centriole duplication with mitosis | Cell cycle coordination studies |
| CDK2 | S-phase kinase involved in licensing of centriole duplication | Licensing control research |
| Cyclin E | S-phase cyclin regulating licensing | Cell cycle variant studies |
| Cyclin A | Mitotic cyclin involved in cell cycle variant for multiciliogenesis | Multiciliogenesis research |
| Cyclin B | Mitotic cyclin controlling cell cycle progression | Cyclin switch studies |
| MCM proteins | DNA replication machinery transmitting signals to centrosome duplication | Dual signal research |
| ORC proteins | Origin recognition complex linking DNA replication to centrosome duplication | Licensing coordination studies |
| Cep152 | Centriole duplication factor (implied by centriole duplication literature) | Centriole assembly research |
| Cep192 | Centrosome maturation factor (implied by centriole duplication literature) | Centrosome biogenesis studies |
| CPAP | Centriole elongation factor (implied by centriole duplication literature) | Microcephaly-related centriole research |
| MCPH1 | Primary microcephaly protein linked to centriole regulation | Microcephaly disease modeling |
| WDR62 | Primary microcephaly protein linked to centrosome function | Neurodevelopmental disorder research |
| ASPM | Spindle and centriole-associated protein in microcephaly | Microcephaly genetics |
How Is regulation of centriole replication Regulated?
Regulation of centriole replication is controlled by cell cycle kinases and licensing factors. The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication. In C. elegans, the ZYG-1 kinase acts as a mitotic and meiotic regulator of centriole replication. A cyclin switch tailors a cell cycle variant to orchestrate multiciliogenesis, showing that cyclin-dependent regulation can be rewired for centriole amplification. Positive and negative regulation of replication has also been observed in hybrid cells.
regulation of centriole replication and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| MCPH1 | Primary microcephaly | Knockout neural progenitor cells |
| WDR62 | Primary microcephaly | Point mutation knock-in mice |
| ASPM | Primary microcephaly | Knockout organoids |
| PLK4 | Centrosome amplification and cancer | Overexpression cell models |
| ZYG-1 | Centriole replication defects | C. elegans knockout |
Primary microcephaly
Primary microcephaly is a neurodevelopmental disorder characterized by reduced brain size, and many causative genes are linked to centriole and centrosome regulation. Mutations in genes such as MCPH1, WDR62, and ASPM impair centriole replication and mitotic spindle function in neural progenitors. Understanding GO:0046599 provides mechanistic insight into how defective centriole replication leads to microcephaly.
Cancer and chromosomal instability
Deregulated centriole replication causes centrosome amplification, which is a hallmark of many cancers and leads to mitotic errors and aneuploidy. Centrioles duplicating precariously highlights the oncogenic potential of centriole over-duplication. The DNA replication machinery transmits dual signals to prevent unscheduled centrosome duplication, and failure of these signals can promote tumorigenesis.
Ciliopathies and multiciliogenesis defects
Multiciliated cells require massive centriole amplification to generate motile cilia, and this process is controlled by an alternative cell cycle. A cyclin switch tailors a cell cycle variant to orchestrate multiciliogenesis, and disruption of this regulation impairs ciliary function. Defects in centriole replication regulation can therefore contribute to ciliopathies and mucociliary clearance disorders.
From regulation of centriole replication-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| Does loss of ZYG-1 abolish centriole replication? | Knockout in C. elegans |
| Does a point mutation in a licensing factor cause re-duplication? | Point mutation knock-in |
| Can a tagged centriole protein track daughter centriole formation? | Tagged knock-in |
| Does overexpression of PLK4 drive centrosome amplification? | Overexpression cell model |
| How does a cyclin switch control multiciliogenesis? | Knockout and overexpression in multiciliated cells |
| Does MCPH1 mutation impair centriole replication in neural progenitors? | Knockout and point mutation models |
How to Study the regulation of centriole replication Process
| Method | What It Measures | Typical Application |
|---|---|---|
| Fluorescence microscopy | Daughter centriole formation and number | Centriole duplication assays |
| Live-cell imaging | Dynamics of centriole replication | Cell cycle coordination studies |
| RNAi screen | Identification of regulators | Gene discovery in C. elegans |
| Flow cytometry | Cell cycle profile and DNA content | Licensing coordination analysis |
| RNA-seq | Transcriptional changes during multiciliogenesis | Regulatory network discovery |
| Proteomics | Protein composition of centrioles | Centriole assembly studies |
| CRISPR knockout | Loss-of-function phenotypes | Disease gene validation |
| CRISPR knock-in | Tagged protein localization | Live-cell tracking of centrioles |
Imaging of centriole duplication
Fluorescence microscopy with centriole markers such as SAS-6 and CPAP allows visualization of daughter centriole formation and quantification of duplication frequency. Live-cell imaging can track centriole replication dynamics across the cell cycle.
Genetic analysis in model organisms
Caenorhabditis elegans genetics provides a powerful system to identify regulators of centriole replication, as demonstrated by the characterization of ZYG-1. RNAi and mutant screens can uncover positive and negative regulators.
Cell cycle synchronization and flow cytometry
Synchronizing cells and analyzing DNA content by flow cytometry helps determine whether centriole replication is properly coordinated with DNA replication. This approach can reveal unscheduled licensing events.
Transcriptomics and proteomics
RNA-seq and proteomics can identify genes and proteins whose expression changes during centriole amplification in multiciliated cells. These methods help define the regulatory network controlling GO:0046599.
How CRISPR Can Be Used to Study GO:0046599 regulation of centriole replication
Knockout
CRISPR knockout of candidate genes such as ZYG-1 or PLK4 can test whether they are required for centriole replication. Knockout models in C. elegans and mammalian cells reveal loss-of-function phenotypes.
Point Mutation
Point mutation knock-in can model disease-associated variants in microcephaly genes like MCPH1 and WDR62 to assess their impact on centriole replication. Such models help distinguish pathogenic from benign variants.
Knock-in
Tagged knock-in of centriolar proteins such as SAS-6 or CPAP enables live-cell imaging of daughter centriole formation. This approach provides spatial and temporal resolution of GO:0046599.
Overexpression
Overexpression of PLK4 or cyclins can drive centriole over-duplication and centrosome amplification, modeling cancer-associated phenotypes. Overexpression studies help identify sufficiency of a regulator.
How EDITGENE Supports regulation of centriole replication Research
Researchers studying regulation of centriole replication-related genes often need to determine whether a candidate gene is causally involved in daughter centriole formation, licensing, or cell cycle coordination. EDITGENE provides CRISPR-based cell models and screening services to accelerate this functional validation.
Contact EDITGENE today to design your custom CRISPR model for regulation of centriole replication research.
Frequently Asked Questions About regulation of centriole replication
What is GO:0046599 regulation of centriole replication?
GO:0046599 is a biological process that modulates the frequency, rate or extent of the formation of a daughter centriole of an existing centriole.
What genes are involved in regulation of centriole replication?
Key genes include ZYG-1, PLK4, SAS-6, and cell cycle regulators such as CDK1 and cyclins.
Why is regulation of centriole replication important?
It ensures centriole duplication occurs once per cell cycle, preventing centrosome amplification and genomic instability.
How is centriole replication regulated during the cell cycle?
The DNA replication machinery transmits dual signals to prevent unscheduled licensing and execution of centrosome duplication.
What role does ZYG-1 play in centriole replication?
ZYG-1 is a mitotic and meiotic regulator of centriole replication in Caenorhabditis elegans.
How does multiciliated cell differentiation involve centriole replication?
An alternative cell cycle coordinates multiciliated cell differentiation, and a cyclin switch tailors a cell cycle variant to orchestrate multiciliogenesis.
What diseases are linked to defective centriole replication?
Primary microcephaly and cancer are linked to defective centriole replication and centrosome amplification.
What model organisms are used to study centriole replication?
Caenorhabditis elegans is a key model, as demonstrated by studies of ZYG-1 and mitotic cell division.
How can CRISPR help study regulation of centriole replication?
CRISPR knockout, point mutation, knock-in, and overexpression models allow functional testing of candidate regulators.
What methods are used to measure centriole replication?
Fluorescence microscopy, live-cell imaging, flow cytometry, RNA-seq, and proteomics are commonly used.
Conclusion
GO:0046599 regulation of centriole replication is a tightly controlled biological process essential for genome stability, cell division, and multiciliogenesis. The ZYG-1 kinase and cell cycle machinery provide key regulatory inputs that ensure daughter centriole formation occurs once per cycle. Disruption of this regulation is linked to primary microcephaly and cancer, making it a critical area for disease research. CRISPR-based models and screening approaches offer powerful tools to dissect the molecular mechanisms of centriole replication regulation.
References
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- 2. 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
- 3. Jayaraman D et al.. 2018. The Genetics of Primary Microcephaly.. Annu Rev Genomics Hum Genet 19:177-200 PMID: 29799801
- 4. Pintard L et al.. 2019. Mitotic Cell Division in Caenorhabditis elegans.. Genetics 211(1):35-73 PMID: 30626640
- 5. Prudovskiĭ IA et al.. 1991. [Positive and negative regulation of replication in hybrid cells].. Mol Biol (Mosk) 25(5):1157-80 PMID: 1721675
- 6. O'Connell KF. 2002. The ZYG-1 kinase, a mitotic and meiotic regulator of centriole replication.. Oncogene 21(40):6201-8 PMID: 12214250
- 7. Pelletier L. 2007. Centrioles: duplicating precariously.. Curr Biol 17(17):R770-3 PMID: 17803930
- 8. Serizay J et al.. 2025. Cyclin switch tailors a cell cycle variant to orchestrate multiciliogenesis.. Cell Rep 44(1):115103 PMID: 39740664
