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Related Experiment Videos

Basal body replication in green algae--when and where does it start?

K F Lechtreck1, M Bornens

  • 1Botanisches Institut, Universität zu Köln, Cologne/Germany. karl.lechtreck@uni-koeln.de

European Journal of Cell Biology
|November 21, 2001
PubMed
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Basal body duplication in green algae involves a novel mechanism where a precursor structure forms during basal body development. This process ensures the correct number and positioning of basal bodies for subsequent generations.

Area of Science:

  • Cell Biology
  • Microbiology
  • Algal Biology

Background:

  • Basal bodies are crucial for flagella formation and cell division.
  • Understanding basal body duplication is key to cell cycle regulation.
  • The green alga Spermatozopsis similis provides a model for studying basal body inheritance.

Purpose of the Study:

  • To investigate the duplication mechanism of basal bodies in Spermatozopsis similis.
  • To identify molecular components involved in basal body inheritance.
  • To elucidate the formation of new basal bodies from existing ones.

Main Methods:

  • Immunofluorescence microscopy using antibodies against polyglutamylated tubulins (GT335) and p210.
  • Immunogold electron microscopy.

Related Experiment Videos

  • Observation of basal body separation in Xenopus egg extract.

    • Main Results:

    • p210, a flagellar transition region component, is present in probasal bodies and at specific sites during basal body elongation.
    • p210 forms new structures near the proximal end of developing basal bodies.
    • Centrin fibers connect probasal bodies to mature basal bodies.

    Conclusions:

    • Basal bodies appear to initiate the formation of the next generation during their own development.
    • A novel mechanism for basal body duplication ensures correct cell division.
    • This process may involve the transport of basal body material along microtubular flagellar roots.