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The evolution of plant development.

D A Baum1

  • 1Department of Organismic and Evolutionary Biology, Harvard University Herbaria, 22 Divinity Avenue, Cambridge MA, 02138 USA. dbaum@oeb. harvard.edu

Current Opinion in Plant Biology
|March 6, 1999
PubMed
Summary
This summary is machine-generated.

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Plant developmental evolution research focuses on genetic mechanisms driving morphological changes. Advances suggest large-effect genetic changes and promoter evolution are key drivers of plant evolution.

Area of Science:

  • Plant developmental biology
  • Evolutionary genetics
  • Morphological evolution

Background:

  • Recent interest in plant development evolution.
  • Understanding the genetic basis of morphological evolution.
  • Progress in floral organization, compound leaves, and inflorescence morphology evolution.

Purpose of the Study:

  • Investigate the developmental genetic basis of morphological evolution in plants.
  • Explore mechanisms underlying the evolution of plant structures.
  • Reinforce the understanding of phenotypic evolution drivers.

Main Methods:

  • Analysis of genetic factors influencing plant morphology.
  • Comparative studies of floral organization and leaf/inflorescence development.
  • Investigating the role of promoter evolution in phenotypic change.

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Main Results:

  • Significant progress in understanding floral organization evolution.
  • Insights into mechanisms of compound leaf and inflorescence morphology evolution.
  • Evidence supporting the role of few loci with large effects in evolution.

Conclusions:

  • Phenotypic evolution can occur through changes at a few loci with large effects.
  • Promoter evolution is identified as a potentially important and frequent mechanism in plant evolution.