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Adaptation in flower form: a comparative evodevo approach.

Chelsea D Specht1, Dianella G Howarth2

  • 1Departments of Plant and Microbial Biology, Integrative Biology, and the University and Jepson Herbaria, University of California, 111 Koshland Hall, Berkeley, CA, 94720, USA.

The New Phytologist
|December 4, 2014
PubMed
Summary
This summary is machine-generated.

Evolutionary developmental biology (evodevo) links microevolutionary processes to macroevolutionary patterns by studying how development influences adaptive evolution. Research on plant traits like floral symmetry and organ fusion exemplifies this connection.

Keywords:
TCP genesboundary formationevodevofloral organ developmentflower morphologyorgan fusionplant developmentsymmetry

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Area of Science:

  • Evolutionary biology
  • Developmental biology
  • Genetics

Background:

  • Evolutionary developmental biology (evodevo) investigates how organismal development evolves using comparative approaches.
  • Evolutionary genetics links organismal form/function changes to genetics via population-level analysis.
  • Microevolutionary processes (mutation, drift, selection, gene flow) underpin macroevolutionary patterns.

Purpose of the Study:

  • To explain how developmental genetic studies can be integrated within a comparative framework.
  • To investigate the developmental genetics of adaptive evolution.
  • To provide examples from plant evodevo research.

Main Methods:

  • Comparative analysis of developmental pathways and processes.
  • Population genetics approaches to link genotype to phenotype.
  • Focus on key developmental processes in plants.

Main Results:

  • Development acts as the crucial link between microevolutionary processes and macroevolutionary patterns.
  • Selection acts on the phenotype, making the genotype-phenotype connection vital for adaptive evolution.
  • Studies on floral symmetry and organ fusion illustrate the role of developmental genetics in plant adaptation.

Conclusions:

  • Understanding adaptive evolution requires integrating evolutionary genetics and developmental evolution.
  • Developmental genetic studies within a comparative framework are essential for studying adaptive evolution.
  • Plant evodevo research on floral traits provides key insights into adaptation.