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Embryogenic plant cells in microgravity.

A D Krikorian1

  • 1Department of Biochemistry and Cell Biology, State University of New York, Stony Brook 11794.

ASGSB Bulletin : Publication of the American Society for Gravitational and Space Biology
|July 1, 1991
PubMed
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Gravity may influence plant embryo development. Studying plant reproductive biology in microgravity is crucial for space exploration, using cultured cells as a surrogate system to understand effects on plant embryogenesis.

Area of Science:

  • Plant reproductive biology
  • Developmental biology
  • Space biology

Background:

  • Plant development involves ordered cellular events.
  • Gravity (g) may influence higher plant embryo development within the embryo sac.
  • Microgravity in space may disrupt normal, efficient embryo development.

Purpose of the Study:

  • Investigate plant reproductive biology in the space environment.
  • Assess the viability of higher plants and embryo production in microgravity.
  • Utilize surrogate systems to study microgravity effects on plant embryogenesis.

Main Methods:

  • Employing cultured plant cells as a surrogate system for studying embryogenesis.
  • Manipulating totipotent cultured cells to test environmental effects like microgravity.
Keywords:
NASA Discipline Number 00-00NASA Discipline Number 40-50NASA Discipline Plant BiologyNASA Experiment Number COS 1129-1CNASA Experiment Number COS 782-13NASA Program FlightNASA Program Space BiologyNon-NASA Center

Related Experiment Videos

  • Evaluating the ability of cultured cells to simulate embryogenic events.

    • Main Results:

    • Cultured cells can be grown to be morphogenetically competent.
    • Cultured cells can simulate embryogenic events typically seen in fertilized eggs.
    • Cellular plasticity allows testing of microgravity effects on a "free-running" system.

    Conclusions:

    • Cultured plant cells are valuable surrogates for studying microgravity's impact on reproduction.
    • Understanding plant embryogenesis in space is vital for long-term space missions.
    • Successful plant cell manipulation in space supports biotechnological applications and genetic engineering.