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Related Experiment Videos

Embryonic patterning in Arabidopsis thaliana.

Pablo D Jenik1, C Stewart Gillmor, Wolfgang Lukowitz

  • 1Carnegie Institution, Department of Plant Biology, Stanford University, Stanford, CA 94305, USA. pablojenik@aya.yale.edu

Annual Review of Cell and Developmental Biology
|June 2, 2007
PubMed
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Arabidopsis thaliana embryonic development involves predictable cell divisions and new cell fate establishment. Post-globular stage development is regulated by programs controlling later life stages.

Area of Science:

  • Plant developmental biology
  • Arabidopsis thaliana embryogenesis

Background:

  • Early plant embryonic development follows a defined cell division sequence.
  • Cell fate determination occurs with each mitotic round during embryogenesis.

Purpose of the Study:

  • To understand the poorly understood regulatory factors in early Arabidopsis thaliana development.
  • To investigate the transition in developmental control at the globular stage.

Main Methods:

  • Analysis of anatomical hallmarks in early embryos.
  • Monitoring dynamic patterns of marker gene expression.

Main Results:

  • Arabidopsis thaliana embryos exhibit predictable cell division patterns.
  • New cell fates are established with nearly every mitosis.

Related Experiment Videos

  • Developmental control shifts at the globular stage (approx. 100 cells).

    • Conclusions:

    • The transition at the globular stage suggests a shift to postembryonic patterning programs.
    • Understanding these early events is crucial for comprehending the plant life cycle.