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Related Experiment Videos

Plasmodesmata: composition, structure and trafficking

B L Epel1

  • 1Botany Department, Tel Aviv University, George S. Wise Faculty of Life Sciences, Tel Aviv University, Israel.

Plant Molecular Biology
|December 1, 1994
PubMed
Summary
This summary is machine-generated.

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Plasmodesmata are dynamic channels for cell-to-cell transport. Research reveals their regulated dilation allows macromolecular movement and viral spread, impacting plant biology.

Area of Science:

  • Plant Cell Biology
  • Molecular Plant Pathology

Background:

  • Plasmodesmata are crucial intercellular channels for direct cell-to-cell transport.
  • Their structure and function are key to understanding plant development and disease.

Purpose of the Study:

  • To elucidate the fine structure and dynamic regulation of plasmodesmata.
  • To investigate the mechanisms of plasmodesmatal transport, particularly in the context of plant virus movement.

Main Methods:

  • Computer-enhanced digital imaging analysis of electron micrographs.
  • Review of techniques for plasmodesmata isolation and analysis of associated proteins.

Main Results:

  • Plasmodesmata are dynamic quasi-organelles with regulated conductivity.

Related Experiment Videos

  • Signaling mechanisms enable plasmodesmatal pore dilation for macromolecular transport.
  • Two distinct plant virus cell-to-cell movement mechanisms via plasmodesmata were identified.

    • Conclusions:

    • Plasmodesmata exhibit dynamic regulation, allowing for macromolecular transport.
    • Viral movement proteins play critical roles in modifying plasmodesmata for infection spread.
    • Plasmodesmatal composition and regulation may vary across different plant cells and tissues.