What question did this study set out to answer?

To investigate centriolar architecture and symmetry in the basal hexapod Acerentomon microrhinus to assess the structural conservation of eukaryotic centrioles.

September 10, 2009Cell Motility and the Cytoskeleton

Centriole symmetry: A big tale from small organisms

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Authors

MRMaria Giovanna RiparbelliUniversity of Siena RDRomano DallaiUniversity of Siena DMDavid MercatiUniversity of Siena

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Implication

Structural analysis reveals novel 14-fold microtubule symmetry in Acerentomon microrhinus centrioles, suggesting that the central hub dictates organelle geometry.

Key Points

To investigate centriolar architecture and symmetry in the basal hexapod Acerentomon microrhinus to assess the structural conservation of eukaryotic centrioles.
Examined centriolar ultrastructure and symmetry in Acerentomon microrhinus across mitotic, meiotic, and axonemal assembly phases.
Analyzed the morphology and dimensions of cartwheel components, focusing on radial spoke length and hub diameter during centriole maturation.
Identified unusually large centrioles featuring 14 doublet microtubules that template cilia and flagella and organize mitotic and meiotic spindles.
Demonstrated that 14-doublet centrioles assemble from 9-doublet mother centrioles and contain a transient cartwheel with standard spoke lengths but an enlarged central hub.

Cite This Study

Riparbelli et al. (2009) studied this question.

synapsesocial.com/papers/6a6f4f5078a11c550e08ffd8 https://doi.org/10.1002/cm.20417

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Implication

Structural analysis reveals novel 14-fold microtubule symmetry in Acerentomon microrhinus centrioles, suggesting that the central hub dictates organelle geometry.

Centriole symmetry: A big tale from small organisms

Discussion

Member takes

Implication

Key Points

Cite This Study

Centriole symmetry: A big tale from small organisms

Discussion

Member takes

Implication

Key Points

Cite This Study

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