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Related Experiment Videos

Developmental phenotypic plasticity: where internal programming meets the external environment.

M Pigliucci1

  • 1Departments of Botany and of Ecology & Evolutionary Biology, Universityof Tennessee, Knoxville, TN 37996, USA. pigliucci@utk.edu

Current Opinion in Plant Biology
|March 6, 1999
PubMed
Summary
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The American naturalist·2009

Developmental plasticity research now includes ontogenetic contingency, emphasizing timing in development. New studies integrate ecological and molecular data for a holistic view of phenotypic plasticity.

Area of Science:

  • Evolutionary ecology
  • Molecular genetics
  • Developmental biology

Background:

  • Developmental plasticity is a key area in evolutionary ecology and molecular genetics.
  • Ontogenetic contingency highlights how the timing and sequence of developmental events influence plastic responses.
  • The developmental reaction norm concept describes interactions between development, plasticity, and allometry.

Purpose of the Study:

  • To integrate ecological and molecular perspectives on developmental plasticity.
  • To introduce and explore the concept of ontogenetic contingency.
  • To examine the developmental reaction norm in model systems.

Main Methods:

  • Comparative analysis across insect and flowering plant model systems.
  • Integration of ecological data with molecular genetic findings.

Related Experiment Videos

  • Longitudinal studies tracking developmental events and plastic responses.

    • Main Results:

    • Demonstrated dependence of plastic responses on developmental timing (ontogenetic contingency).
    • Illustrated complex interactions within the developmental reaction norm.
    • Provided first integrated ecological-to-molecular studies of specific plastic responses.

    Conclusions:

    • Ontogenetic contingency offers a novel framework for understanding developmental plasticity.
    • Integrated approaches are crucial for a comprehensive understanding of phenotypic plasticity.
    • Insect and plant models provide valuable systems for studying the interplay of development and environment.