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Related Experiment Videos

Self-incompatibility: a self-recognition system in plants.

V Haring1, J E Gray, B A McClure

  • 1Plant Cell Biology Research Centre, School of Botany, University of Melbourne, Parkville, Victoria, Australia.

Science (New York, N.Y.)
|November 16, 1990
PubMed
Summary
This summary is machine-generated.

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Self-incompatibility (SI) prevents plant inbreeding using cell interactions. Researchers cloned female glycoproteins that interact with pollen, stopping pollen tube growth.

Area of Science:

  • Plant reproductive biology
  • Molecular genetics
  • Cell-cell interactions

Background:

  • Self-incompatibility (SI) is a genetic mechanism preventing plant inbreeding.
  • SI provides a model for studying plant cell interactions.
  • Two major SI types: gametophytic and sporophytic.

Purpose of the Study:

  • To investigate the molecular basis of self-incompatibility in plants.
  • To identify key molecules involved in SI-mediated pollen rejection.

Main Methods:

  • Cloning cDNAs encoding female tissue glycoproteins.
  • Analyzing glycoproteins that segregate with S-locus variants.

Main Results:

  • Identified female glycoproteins associated with SI.

Related Experiment Videos

  • These glycoproteins are secreted and potentially interact with pollen.

    • Conclusions:

    • Secreted glycoproteins are likely involved in arresting pollen tube growth.
    • Further research needed to identify the interacting pollen component.