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Related Experiment Videos

The amphibian egg as a model system for analyzing gravity effects.

G M Malacinski1, A W Neff

  • 1Department of Biology, School of Medicine, Indiana University, Bloomington 47405.

Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)
|January 1, 1989
PubMed
Summary

Amphibian eggs, like Xenopus laevis, are ideal for studying gravity's effects on cells. Researchers are building a 3-D model of egg cytoplasm to understand internal cell organization under altered gravity.

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Development, growth & differentiation·2001

Area of Science:

  • Cell biology
  • Gravitational biology
  • Developmental biology

Background:

  • Amphibian eggs are excellent model systems for cell biology research.
  • Their large size and trackable inclusions facilitate experimental analysis.
  • Understanding cellular responses to gravity is crucial for various biological fields.

Purpose of the Study:

  • To investigate the effects of gravity on single-cell organization using amphibian eggs.
  • To develop a comprehensive 3-D model of the Xenopus laevis egg's internal structure.
  • To elucidate the behavior of cytoplasmic compartments under altered gravitational conditions.

Main Methods:

  • Utilizing novel gravity orientation techniques to manipulate experimental conditions.
  • Developing a substantial database through systematic observation and data collection.
Keywords:
NASA Discipline Developmental BiologyNASA Discipline Number 28-20NASA Program Space BiologyNon-NASA Center

Related Experiment Videos

  • Constructing a 3-D computational model of the Xenopus laevis egg.

    • Main Results:

    • Several distinct cytoplasmic compartments (domains) within the egg have been identified.
    • The behavior and localization of these domains were monitored in eggs subjected to inverted gravity.
    • These findings have been integrated into the developing 3-D model.

    Conclusions:

    • The study successfully identified and modeled key cytoplasmic domains in Xenopus laevis eggs.
    • Altered gravity influences the organization of internal cellular structures.
    • The 3-D model provides a foundation for future research into gravity's impact on cell biology.