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Related Experiment Videos

Axis formation and polarity in plants.

A J Paquette1, P N Benfey

  • 1Department of Biology, 1009 Main Building, New York University, 100Washington Square East, 10003, New York, NY, USA. ajp8@nyu.edu

Current Opinion in Genetics & Development
|July 13, 2001
PubMed
Summary

Plant body plan formation relies on understanding embryonic development and organ placement. Research reveals key mechanisms for apical embryo shape, root radial patterns, and lateral organ positioning.

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Intercellular movement of the putative transcription factor SHR in root patterning.

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cis element/transcription factor analysis (cis/TF): a method for discovering transcription factor/cis element relationships.

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COBRA encodes a putative GPI-anchored protein, which is polarly localized and necessary for oriented cell expansion in Arabidopsis.

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Transcriptional networks controlling plant development.

Plant physiology·2001

Area of Science:

  • Plant biology
  • Developmental biology
  • Genetics

Background:

  • The plant body plan, encompassing embryonic and adult structures, is fundamental to plant life.
  • Understanding the genetic and molecular mechanisms controlling plant morphogenesis is crucial.

Purpose of the Study:

  • To elucidate the mechanisms governing the formation of major axes in the plant body plan.
  • To gain insight into key developmental processes like apical embryo shaping, root radial patterning, and lateral organ positioning.

Main Methods:

  • Phenotypic analysis of plant mutants exhibiting abnormal morphogenesis.
  • Molecular characterization of mutants affecting plant body plan development.

Main Results:

  • Identified key processes involved in generating the apical embryo's shape.

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  • Characterized mechanisms for establishing and maintaining the radial pattern in plant roots.
  • Investigated the precise placement of lateral organ primordia around the shoot apical meristem.

    • Conclusions:

    • Recent advances provide significant insights into the genetic and molecular control of plant body plan formation.
    • Aberrant morphogenesis mutants are valuable tools for dissecting complex developmental pathways in plants.