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Differentiation in plant epidermal cells.

B J Glover1

  • 1Department of Plant Sciences, University of Cambridge, UK. bjg26@cam.ac.uk

Journal of Experimental Botany
|August 12, 2000
PubMed
Summary

Plant epidermis cells differentiate into specialized types for functions like water balance and defense. Cell interactions, not just lineage, are key to patterning this multifunctional tissue.

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Area of Science:

  • Plant biology
  • Developmental biology
  • Cell biology

Background:

  • The plant epidermis is a vital tissue responsible for water relations, defense, and pollinator attraction.
  • Specialized epidermal cells differentiate from undifferentiated precursors in specific patterns.
  • Both cell lineage and cell interaction mechanisms are proposed to control epidermal cell differentiation.

Purpose of the Study:

  • To review mechanisms of specialized cell differentiation and patterning in the plant epidermis.
  • To analyze interactions between different developmental programs within the epidermis.
  • To explore the role of cell-cell interactions in patterning multifunctional plant tissues.

Main Methods:

  • Literature review of studies on stomatal and trichome development in plants, particularly Arabidopsis.
  • Analysis of evidence for cell lineage and cell interaction mechanisms in epidermal differentiation.
  • Examination of how neighboring cell interactions influence cell fate commitment.

Main Results:

  • Stomatal development research has primarily focused on cell lineage mechanisms.
  • Trichome differentiation research has highlighted the importance of cell interaction models.
  • Recent findings suggest cell interactions reinforce initial differences to commit cells to distinct developmental pathways.

Conclusions:

  • Cell-cell interactions play a crucial role in epidermal cell differentiation and patterning.
  • Understanding these interactions is key to deciphering the organization of multifunctional plant tissues.
  • The interplay between different cell fates is fundamental to epidermal tissue development.

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